diff --git a/main.go b/main.go index f470ae8..336e8b5 100644 --- a/main.go +++ b/main.go @@ -8,6 +8,7 @@ import ( "os" "os/signal" "syscall" + "time" "github.com/devskill-org/ems/scheduler" "github.com/devskill-org/ems/sigenergy" @@ -20,6 +21,7 @@ func main() { info = flag.Bool("info", false, "Show Plant Information") help = flag.Bool("help", false, "Show help message") serverOnly = flag.Bool("serverOnly", false, "Run only web server without periodic checks") + mpc = flag.Bool("mpc", false, "Run MPC optimization once and log all decisions") ) flag.Parse() @@ -41,6 +43,12 @@ func main() { } return } + + if *mpc { + runMPCOptimize(config) + return + } + fmt.Printf("Starting Energy Management System with the following configuration:\n") fmt.Printf(" Price Limit: %.2f EUR/MWh\n", config.PriceLimit) fmt.Printf(" Network: %s\n", config.Network) @@ -91,6 +99,67 @@ func main() { logger.Printf("Scheduler stopped successfully") } +func runMPCOptimize(config *scheduler.Config) { + logger := log.New(os.Stdout, "[MPC] ", log.LstdFlags) + + // Create scheduler (needed for MPC functionality) + minerScheduler := scheduler.NewMinerSchedulerWithHealthCheck(config, logger) + + ctx := context.Background() + + minerScheduler.RunMinerDiscovery(ctx) + + // Run MPC optimization + logger.Printf("Running MPC optimization...") + minerScheduler.RunMPCOptimize(ctx) + + // Get and log all decisions + decisions := minerScheduler.GetMPCDecisions() + if len(decisions) == 0 { + logger.Printf("No MPC decisions were generated") + return + } + + fmt.Println("\n========================================") + fmt.Println("MPC OPTIMIZATION RESULTS") + fmt.Println("========================================") + fmt.Printf("Total decisions: %d\n\n", len(decisions)) + + // Print table header + fmt.Println("┌──────┬─────────────────────┬──────────┬─────────┬───────────┬────────────┬────────────┬────────────┬──────────┬────────────┬────────────┬──────────┐") + fmt.Println("│ Hour │ Timestamp │ Batt SOC │ Bat Chr │ Bat Disch │ Grid Imprt │ Grid Exprt │ Solar Fcst │ Load Fst │ Imprt Prce │ Exprt Prce │ Profit │") + fmt.Println("│ │ │ (%) │ (kW) │ (kW) │ (kW) │ (kW) │ (kW) │ (kW) │ (EUR/MWh) │ (EUR/MWh) │ (EUR) │") + fmt.Println("├──────┼─────────────────────┼──────────┼─────────┼───────────┼────────────┼────────────┼────────────┼──────────┼────────────┼────────────┼──────────┤") + + totalProfit := 0.0 + for _, dec := range decisions { + timestamp := time.Unix(dec.Timestamp, 0).Format("2006-01-02 15:04") + fmt.Printf("│ %4d │ %19s │ %6.1f │ %5.2f │ %6.2f │ %6.2f │ %6.2f │ %6.2f │ %6.2f │ %6.2f │ %6.2f │ %6.4f │\n", + dec.Hour, + timestamp, + dec.BatterySOC*100, + dec.BatteryCharge, + dec.BatteryDischarge, + dec.GridImport, + dec.GridExport, + dec.SolarForecast, + dec.LoadForecast, + dec.ImportPrice*1000, + dec.ExportPrice*1000, + dec.Profit, + ) + totalProfit += dec.Profit + } + + fmt.Println("└──────┴─────────────────────┴──────────┴─────────┴───────────┴────────────┴────────────┴────────────┴──────────┴────────────┴────────────┴──────────┘") + fmt.Println("\n========================================") + fmt.Println("SUMMARY") + fmt.Println("========================================") + fmt.Printf("Total expected profit: %.2f EUR\n", totalProfit) + fmt.Printf("Optimization horizon: %d hours\n", len(decisions)) + fmt.Println("========================================") +} + func showHelp() { fmt.Println("Energy Management System (EMS) - Optimize energy consumption, production, and storage") fmt.Println() @@ -126,6 +195,9 @@ func showHelp() { fmt.Println(" # Run only web server without periodic checks") fmt.Println(" ems -serverOnly") fmt.Println() + fmt.Println(" # Run MPC optimization once and log all decisions") + fmt.Println(" ems -mpc") + fmt.Println() fmt.Println(" # Show this help") fmt.Println(" ems -help") } diff --git a/mpc/mpc.go b/mpc/mpc.go index fcb5d74..7da3cce 100644 --- a/mpc/mpc.go +++ b/mpc/mpc.go @@ -73,7 +73,8 @@ func (mpc *MPCController) Optimize(forecast []TimeSlot) []ControlDecision { // Use dynamic programming for optimization // State: SOC level, Time: hour // We'll discretize SOC into steps for tractability - socSteps := 200 + // Use finer granularity for better precision in finding optimal discharge timing + socSteps := 500 socStep := (mpc.Config.BatteryMaxSOC - mpc.Config.BatteryMinSOC) / float64(socSteps) // DP table: [time][soc_index] -> (best_profit, best_decision) @@ -139,6 +140,7 @@ func (mpc *MPCController) Optimize(forecast []TimeSlot) []ControlDecision { } // Backward pass - reconstruct optimal path + // Prefer paths that end with lower SOC (use more battery for arbitrage) bestFinalSOC := 0 bestFinalProfit := math.Inf(-1) for socIdx := 0; socIdx <= socSteps; socIdx++ { @@ -163,7 +165,7 @@ func (mpc *MPCController) Optimize(forecast []TimeSlot) []ControlDecision { func (mpc *MPCController) generateFeasibleDecisions(currentSOC float64, slot TimeSlot) []ControlDecision { decisions := []ControlDecision{} - // Discretize battery actions (charge, discharge, idle) + // Always include idle option batteryActions := []struct { charge float64 discharge float64 @@ -171,9 +173,16 @@ func (mpc *MPCController) generateFeasibleDecisions(currentSOC float64, slot Tim {0, 0}, // Idle } - // Add charge options (more granular for better arbitrage opportunities) - for i := 1; i <= 10; i++ { - charge := float64(i) * mpc.Config.BatteryMaxCharge / 10.0 + // For better arbitrage, focus on key power levels: + // 1. Maximum power (for concentrated operations) + // 2. A few intermediate levels (for flexibility) + // 3. Minimum meaningful power (for fine adjustments) + + granularity := 60 + + // Charge options - use finer granularity for better optimization + for i := granularity; i > 0; i-- { + charge := float64(i) * mpc.Config.BatteryMaxCharge / float64(granularity) if mpc.canCharge(currentSOC, charge) { batteryActions = append(batteryActions, struct { charge float64 @@ -182,9 +191,9 @@ func (mpc *MPCController) generateFeasibleDecisions(currentSOC float64, slot Tim } } - // Add discharge options (more granular for better arbitrage opportunities) - for i := 1; i <= 10; i++ { - discharge := float64(i) * mpc.Config.BatteryMaxDischarge / 10.0 + // Discharge options - use finer granularity for better optimization + for i := granularity; i > 0; i-- { + discharge := float64(i) * mpc.Config.BatteryMaxDischarge / float64(granularity) if mpc.canDischarge(currentSOC, discharge) { batteryActions = append(batteryActions, struct { charge float64 @@ -229,44 +238,30 @@ func (mpc *MPCController) generateFeasibleDecisions(currentSOC float64, slot Tim } // calculateProfit computes the profit for a decision -// This accounts for: -// 1. Charging battery when prices are low (cost reflected in GridImport) -// 2. Discharging battery to support load when prices are high (savings reflected in reduced GridImport) -// 3. Exporting excess power when export prices are favorable +// The power balance equation ensures: Solar + GridImport + BatteryDischarge*eff = Load + GridExport + BatteryCharge/eff +// Therefore, GridImport and GridExport already reflect the effect of battery operations. +// Profit is simply: revenue from exports - cost of imports - degradation cost func (mpc *MPCController) calculateProfit(dec ControlDecision, slot TimeSlot) float64 { // Revenue from exporting to grid revenue := dec.GridExport * slot.ExportPrice - // Cost of importing from grid (includes charging battery from grid when prices are low) + // Cost of importing from grid importCost := dec.GridImport * slot.ImportPrice - // Calculate the value of battery operations for arbitrage - // When we discharge battery to support load, we avoid importing at current price - // When we charge battery from grid, we pay current price but can use it later at higher prices - - // Actual energy delivered from battery (accounting for efficiency) - batteryDischargeEnergy := dec.BatteryDischarge // kWh delivered - - // The discharge value: we avoid importing power at the current price - // This is beneficial when import price is high - dischargeValue := batteryDischargeEnergy * mpc.Config.BatteryEfficiency * slot.ImportPrice - - // The charge cost: we store energy for future use - // This is beneficial when import price is low (to use when prices are high) - // The cost is already included in importCost, but we account for storage losses - chargeLoss := dec.BatteryCharge * (1 - mpc.Config.BatteryEfficiency) * slot.ImportPrice - // Battery degradation cost (wear and tear from cycling) batteryThroughput := dec.BatteryCharge + dec.BatteryDischarge degradationCost := batteryThroughput * mpc.Config.BatteryDegradationCost - // Net profit calculation: - // + Revenue from exports - // - Cost of imports (includes grid charging of battery) - // + Value from discharging battery (avoids expensive imports) - // - Cost of charging losses - // - Battery degradation - profit := revenue - importCost + dischargeValue - chargeLoss - degradationCost + // Net profit: + // + Revenue from exports (GridExport already accounts for battery discharge to grid) + // - Cost of imports (GridImport already accounts for battery charging and reduced imports from discharge) + // - Battery degradation (wear and tear cost) + // + // This correctly incentivizes arbitrage: + // - Charging at low import prices reduces profit by importCost + // - Discharging at high export prices increases profit by revenue + // - The DP optimizer will naturally prefer charge-low/discharge-high strategies + profit := revenue - importCost - degradationCost return profit } diff --git a/mpc/mpc_test.go b/mpc/mpc_test.go new file mode 100644 index 0000000..6c4c2fb --- /dev/null +++ b/mpc/mpc_test.go @@ -0,0 +1,802 @@ +package mpc + +import ( + "fmt" + "math" + "testing" +) + +func TestCalculateProfit(t *testing.T) { + tests := []struct { + name string + config SystemConfig + decision ControlDecision + slot TimeSlot + expectedProfit float64 + description string + }{ + { + name: "Battery discharge to support load only - no export", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 3.0, // 3 kW discharge + GridImport: 1.3, // Need to import some + GridExport: 0, + }, + slot: TimeSlot{ + ImportPrice: 0.30, // $0.30/kWh + ExportPrice: 0.10, // $0.10/kWh + SolarForecast: 1.0, // 1 kW solar + LoadForecast: 5.0, // 5 kW load + }, + // Revenue: 0 (no export) + // Import cost: 1.3 * 0.30 = 0.39 + // Degradation: 3 * 0.01 = 0.03 + // Profit: 0 - 0.39 - 0.03 = -0.42 + expectedProfit: -0.42, + description: "Battery helps meet load, avoiding some imports", + }, + { + name: "Battery discharge with export - no double counting", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 5.0, // 5 kW discharge + GridImport: 0, + GridExport: 3.5, // Export excess + }, + slot: TimeSlot{ + ImportPrice: 0.30, // $0.30/kWh + ExportPrice: 0.10, // $0.10/kWh + SolarForecast: 2.0, // 2 kW solar + LoadForecast: 3.0, // 3 kW load + }, + // Revenue: 3.5 * 0.10 = 0.35 + // Import cost: 0 + // Degradation: 5 * 0.01 = 0.05 + // Profit: 0.35 - 0 - 0.05 = 0.30 + expectedProfit: 0.30, + description: "Battery discharge split between load and export - no double counting", + }, + { + name: "Battery charging from grid", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 4.0, // 4 kW charging + BatteryDischarge: 0, + GridImport: 6.444, // Load + charge losses + GridExport: 0, + }, + slot: TimeSlot{ + ImportPrice: 0.10, // $0.10/kWh (cheap - good time to charge) + ExportPrice: 0.05, // $0.05/kWh + SolarForecast: 0.5, // 0.5 kW solar + LoadForecast: 2.0, // 2 kW load + }, + // Revenue: 0 + // Import cost: 6.444 * 0.10 = 0.6444 + // Degradation: 4 * 0.01 = 0.04 + // Profit: 0 - 0.6444 - 0.04 = -0.6844 + expectedProfit: -0.6844, + description: "Charging battery incurs cost (future arbitrage opportunity)", + }, + { + name: "Solar export only - no battery", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 0, + GridImport: 0, + GridExport: 5.0, // Export excess solar + }, + slot: TimeSlot{ + ImportPrice: 0.25, + ExportPrice: 0.08, + SolarForecast: 8.0, // 8 kW solar + LoadForecast: 3.0, // 3 kW load + }, + // Revenue: 5.0 * 0.08 = 0.40 + // Import cost: 0 + // Discharge value: 0 + // Charge loss: 0 + // Degradation: 0 + // Profit: 0.40 - 0 + 0 - 0 - 0 = 0.40 + expectedProfit: 0.40, + description: "Pure solar export scenario", + }, + { + name: "Grid import only - no solar, no battery", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 0, + GridImport: 4.0, + GridExport: 0, + }, + slot: TimeSlot{ + ImportPrice: 0.35, + ExportPrice: 0.10, + SolarForecast: 0, // No solar + LoadForecast: 4.0, // 4 kW load + }, + // Revenue: 0 + // Import cost: 4.0 * 0.35 = 1.40 + // Discharge value: 0 + // Charge loss: 0 + // Degradation: 0 + // Profit: 0 - 1.40 + 0 - 0 - 0 = -1.40 + expectedProfit: -1.40, + description: "Pure grid import scenario - highest cost", + }, + { + name: "Solar meets load exactly - no grid interaction", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 0, + GridImport: 0, + GridExport: 0, + }, + slot: TimeSlot{ + ImportPrice: 0.30, + ExportPrice: 0.10, + SolarForecast: 5.0, // 5 kW solar + LoadForecast: 5.0, // 5 kW load + }, + // Revenue: 0 + // Import cost: 0 + // Discharge value: 0 + // Charge loss: 0 + // Degradation: 0 + // Profit: 0 + expectedProfit: 0.0, + description: "Perfect balance - no cost, no revenue", + }, + { + name: "High efficiency battery - 95%", + config: SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.95, // Higher efficiency + BatteryDegradationCost: 0.005, // Lower degradation + MaxGridImport: 10.0, + MaxGridExport: 10.0, + }, + decision: ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 4.0, + GridImport: 0, + GridExport: 2.8, + }, + slot: TimeSlot{ + ImportPrice: 0.40, + ExportPrice: 0.12, + SolarForecast: 3.0, + LoadForecast: 3.0, + }, + // Revenue: 2.8 * 0.12 = 0.336 + // Import cost: 0 + // Battery effective discharge: 4 * 0.95 = 3.8 kW + // Load deficit from solar: 3 - 3 = 0 kW + // Battery to load: min(3.8, 0) = 0 kW (all goes to export) + // Discharge value: 0 * 0.40 = 0 + // Charge loss: 0 + // Degradation: 4 * 0.005 = 0.02 + // Profit: 0.336 - 0 + 0 - 0 - 0.02 = 0.316 + expectedProfit: 0.316, + description: "All battery discharge goes to export when load is met by solar", + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + mpc := &MPCController{ + Config: tt.config, + } + + profit := mpc.calculateProfit(tt.decision, tt.slot) + + // Use a small epsilon for floating point comparison + epsilon := 0.0001 + if math.Abs(profit-tt.expectedProfit) > epsilon { + t.Errorf("%s\nExpected profit: %.4f, got: %.4f\nDifference: %.4f", + tt.description, tt.expectedProfit, profit, profit-tt.expectedProfit) + + // Debug information + t.Logf("Decision: Charge=%.2f, Discharge=%.2f, Import=%.2f, Export=%.2f", + tt.decision.BatteryCharge, tt.decision.BatteryDischarge, + tt.decision.GridImport, tt.decision.GridExport) + t.Logf("Slot: Solar=%.2f, Load=%.2f, ImportPrice=%.2f, ExportPrice=%.2f", + tt.slot.SolarForecast, tt.slot.LoadForecast, + tt.slot.ImportPrice, tt.slot.ExportPrice) + } + }) + } +} + +func TestCalculateProfitNoDegradation(t *testing.T) { + // Test with zero degradation cost to verify other calculations + config := SystemConfig{ + BatteryCapacity: 10.0, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.0, // No degradation + } + + mpc := &MPCController{ + Config: config, + } + + decision := ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 2.0, + GridImport: 0.2, + GridExport: 0, + } + + slot := TimeSlot{ + ImportPrice: 0.50, + ExportPrice: 0.15, + SolarForecast: 1.0, + LoadForecast: 3.0, + } + + // Revenue: 0 + // Import cost: 0.2 * 0.50 = 0.10 + // Degradation: 0 + // Profit: 0 - 0.10 - 0 = -0.10 + expectedProfit := -0.10 + + profit := mpc.calculateProfit(decision, slot) + + epsilon := 0.0001 + if math.Abs(profit-expectedProfit) > epsilon { + t.Errorf("Expected profit: %.4f, got: %.4f", expectedProfit, profit) + } +} + +func TestCalculateProfitArbitrage(t *testing.T) { + // Test arbitrage scenario: charge when cheap, discharge when expensive + config := SystemConfig{ + BatteryCapacity: 10.0, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + } + + mpc := &MPCController{ + Config: config, + } + + // Scenario 1: Charge during cheap prices + chargeDecision := ControlDecision{ + BatteryCharge: 5.0, + BatteryDischarge: 0, + GridImport: 7.556, // Load + charge/efficiency + GridExport: 0, + } + + cheapSlot := TimeSlot{ + ImportPrice: 0.05, // Very cheap + ExportPrice: 0.02, + SolarForecast: 0, + LoadForecast: 2.0, + } + + chargeProfit := mpc.calculateProfit(chargeDecision, cheapSlot) + + // Should be negative (cost) but small due to cheap price + if chargeProfit >= 0 { + t.Errorf("Expected negative profit when charging, got: %.4f", chargeProfit) + } + + // Scenario 2: Discharge during expensive prices with export + dischargeDecision := ControlDecision{ + BatteryCharge: 0, + BatteryDischarge: 4.0, + GridImport: 0, + GridExport: 0.6, // 4*0.9 - 3.0 = 0.6 exported + } + + expensiveSlot := TimeSlot{ + ImportPrice: 0.50, // Very expensive + ExportPrice: 0.15, + SolarForecast: 0, + LoadForecast: 3.0, + } + + dischargeProfit := mpc.calculateProfit(dischargeDecision, expensiveSlot) + + // With new calculation: revenue from export minus degradation + // Revenue: 0.6 * 0.15 = 0.09, Degradation: 4 * 0.01 = 0.04 + // Profit: 0.09 - 0 - 0.04 = 0.05 + // This is positive, demonstrating that discharging at high prices can be profitable + if dischargeProfit <= 0 { + t.Logf("Charge cost: %.4f, Discharge profit: %.4f", chargeProfit, dischargeProfit) + t.Logf("Note: With corrected profit calculation, arbitrage requires actual grid export at higher prices") + } +} + +func TestOptimize(t *testing.T) { + t.Log("=== Analyzing Arbitrage Opportunity ===") + + // Hourly average prices (EUR/MWh) calculated from: + // Energy_Prices_202601032300-202601042300.xml (hours 0-11) + // Energy_Prices_202601042300-202601052300.xml (hours 12-35) + hourlyPrices := []float64{ + 97.365, // hour 0 + 112.4925, // hour 1 + 126.4425, // hour 2 + 162.355, // hour 3 + 139.1275, // hour 4 + 143.575, // hour 5 + 125.4875, // hour 6 + 119.715, // hour 7 + 112.45, // hour 8 + 127.1225, // hour 9 + 110.065, // hour 10 + 89.185, // hour 11 + 130.44, // hour 12 + 107.56, // hour 13 + 96.9075, // hour 14 + 103.66, // hour 15 + 106.5375, // hour 16 + 126.105, // hour 17 + 123.465, // hour 18 + 129.3125, // hour 19 + 151.1725, // hour 20 + 152.145, // hour 21 + 145.9825, // hour 22 + 139.98, // hour 23 + 137.6925, // hour 24 + 142.795, // hour 25 + 159.14, // hour 26 + 200.61, // hour 27 + 222.925, // hour 28 + 228.3575, // hour 29 + 218.92, // hour 30 + 182.785, // hour 31 + 147.03, // hour 32 + 129.35, // hour 33 + 123.8475, // hour 34 + 112.3, // hour 35 + } + + // Create forecast with zero solar and 0.38 kW load for all timeslots + forecast := make([]TimeSlot, len(hourlyPrices)) + for i := range len(hourlyPrices) { + forecast[i] = TimeSlot{ + Hour: i, + Timestamp: int64(1704326400 + i*3600), // Starting from 2024-01-04 00:00:00 UTC + ImportPrice: hourlyPrices[i]/1000.0 + 0.04 + 0.0085, // Convert EUR/MWh to EUR/kWh + ExportPrice: hourlyPrices[i]/1000.0 - 0.017, // Convert EUR/MWh to EUR/kWh + SolarForecast: 0.0, // Zero solar as specified + LoadForecast: 0.38, // 0.38 kW load as specified + } + } + + // forecast[15].SolarForecast = 0.5 + // forecast[16].SolarForecast = 2.3 + // forecast[17].SolarForecast = 3.0 + // forecast[18].SolarForecast = 1.2 + // forecast[19].SolarForecast = 1.2 + // forecast[20].SolarForecast = 0.5 + + // System configuration + config := SystemConfig{ + BatteryCapacity: 24.0, // 24 kWh battery + BatteryMaxCharge: 12.0, // 12 kW max charge rate + BatteryMaxDischarge: 12.0, // 12 kW max discharge rate + BatteryMinSOC: 0.0, // 0% minimum SOC + BatteryMaxSOC: 1.0, // 100% maximum SOC + BatteryEfficiency: 0.9, // 90% round-trip efficiency + BatteryDegradationCost: 0.0, // €0.00/kWh degradation cost + MaxGridImport: 30.0, // 30 kW max grid import + MaxGridExport: 30.0, // 30 kW max grid export + } + + // Create MPC controller with 25% initial SOC + mpc := NewMPCController(config, len(hourlyPrices), 0.25) + + // Run optimization + decisions := mpc.Optimize(forecast) + + // Validate results + if decisions == nil { + t.Fatal("Optimize returned nil") + } + + if len(decisions) != len(hourlyPrices) { + t.Fatalf("Expected %d decisions, got %d", len(hourlyPrices), len(decisions)) + } + + // Verify all decisions have valid data + for i, dec := range decisions { + t.Logf("Hour %2d: SOC=%.3f, Charge=%.3f, Discharge=%.3f, Import=%.3f, Export=%.3f, Profit=€%.4f, Price=€%.5f/kWh", + i, dec.BatterySOC, dec.BatteryCharge, dec.BatteryDischarge, + dec.GridImport, dec.GridExport, dec.Profit, dec.ImportPrice) + + // Check SOC bounds + if dec.BatterySOC < config.BatteryMinSOC-0.001 || dec.BatterySOC > config.BatteryMaxSOC+0.001 { + t.Errorf("Hour %d: SOC %.3f out of bounds [%.3f, %.3f]", + i, dec.BatterySOC, config.BatteryMinSOC, config.BatteryMaxSOC) + } + + // Check charge/discharge bounds + if dec.BatteryCharge > config.BatteryMaxCharge+0.001 { + t.Errorf("Hour %d: Charge %.3f exceeds max %.3f", i, dec.BatteryCharge, config.BatteryMaxCharge) + } + if dec.BatteryDischarge > config.BatteryMaxDischarge+0.001 { + t.Errorf("Hour %d: Discharge %.3f exceeds max %.3f", i, dec.BatteryDischarge, config.BatteryMaxDischarge) + } + + // Check grid bounds + if dec.GridImport > config.MaxGridImport+0.001 { + t.Errorf("Hour %d: Grid import %.3f exceeds max %.3f", i, dec.GridImport, config.MaxGridImport) + } + if dec.GridExport > config.MaxGridExport+0.001 { + t.Errorf("Hour %d: Grid export %.3f exceeds max %.3f", i, dec.GridExport, config.MaxGridExport) + } + + // Check mutual exclusivity of charge/discharge + if dec.BatteryCharge > 0.001 && dec.BatteryDischarge > 0.001 { + t.Errorf("Hour %d: Both charge and discharge are non-zero", i) + } + + // Check mutual exclusivity of grid import/export + if dec.GridImport > 0.001 && dec.GridExport > 0.001 { + t.Errorf("Hour %d: Both grid import and export are non-zero", i) + } + + // Verify forecast data is preserved + if dec.ImportPrice != forecast[i].ImportPrice { + t.Errorf("Hour %d: Import price mismatch", i) + } + if dec.LoadForecast != forecast[i].LoadForecast { + t.Errorf("Hour %d: Load forecast mismatch", i) + } + if dec.SolarForecast != forecast[i].SolarForecast { + t.Errorf("Hour %d: Solar forecast mismatch", i) + } + } + + // Calculate total profit/cost + totalProfit := 0.0 + for _, dec := range decisions { + totalProfit += dec.Profit + } + t.Logf("Total profit over 36 hours: €%.4f", totalProfit) + + // Detailed arbitrage analysis + t.Log("\n=== Arbitrage Analysis ===") + + // Find hour 4 (lowest price) details + hour4 := decisions[4] + importPriceHour4 := forecast[4].ImportPrice + exportPriceHour4 := forecast[4].ExportPrice + + // Find hour 22 (highest price) details + hour22 := decisions[22] + importPriceHour22 := forecast[22].ImportPrice + exportPriceHour22 := forecast[22].ExportPrice + + t.Logf("\nHour 4 (LOWEST PRICE):") + t.Logf(" Import Price: €%.5f/kWh", importPriceHour4) + t.Logf(" Export Price: €%.5f/kWh", exportPriceHour4) + t.Logf(" Charged: %.3f kW (added %.3f kWh to battery)", hour4.BatteryCharge, hour4.BatteryCharge*0.9) + t.Logf(" Cost: €%.4f (import + degradation)", hour4.BatteryCharge*importPriceHour4+hour4.BatteryCharge*config.BatteryDegradationCost) + + t.Logf("\nHour 22 (HIGHEST PRICE):") + t.Logf(" Import Price: €%.5f/kWh", importPriceHour22) + t.Logf(" Export Price: €%.5f/kWh", exportPriceHour22) + t.Logf(" Discharged: %.3f kW (%.3f kWh from battery)", hour22.BatteryDischarge, hour22.BatteryDischarge) + t.Logf(" Exported: %.3f kW", hour22.GridExport) + t.Logf(" Revenue: €%.4f (export - degradation)", hour22.GridExport*exportPriceHour22-hour22.BatteryDischarge*config.BatteryDegradationCost) + + // Calculate theoretical max arbitrage if charged more at hour 4 + maxAdditionalCharge := config.BatteryMaxCharge - hour4.BatteryCharge + socHeadroom := (config.BatteryMaxSOC - hour4.BatterySOC) * config.BatteryCapacity + actualMaxCharge := math.Min(maxAdditionalCharge, socHeadroom/config.BatteryEfficiency) + + if actualMaxCharge > 0.1 { + t.Logf("\nTheoretical Additional Arbitrage Opportunity:") + t.Logf(" Could charge additional: %.3f kW at hour 4", actualMaxCharge) + t.Logf(" Energy stored after efficiency: %.3f kWh", actualMaxCharge*config.BatteryEfficiency) + t.Logf(" Cost to charge: €%.4f", actualMaxCharge*importPriceHour4+actualMaxCharge*config.BatteryDegradationCost) + t.Logf(" Revenue if exported at hour 22: €%.4f", actualMaxCharge*config.BatteryEfficiency*exportPriceHour22-actualMaxCharge*config.BatteryDegradationCost) + t.Logf(" Net profit from additional arbitrage: €%.4f", + actualMaxCharge*config.BatteryEfficiency*exportPriceHour22- + actualMaxCharge*importPriceHour4- + 2*actualMaxCharge*config.BatteryDegradationCost) + } + + // Analyze where battery energy went + t.Logf("\nBattery Usage Timeline:") + chargedTotal := 0.0 + dischargedTotal := 0.0 + for i, dec := range decisions { + if dec.BatteryCharge > 0.1 { + chargedTotal += dec.BatteryCharge + t.Logf(" Hour %2d: CHARGED %.3f kW at price €%.5f/kWh (SOC: %.3f)", + i, dec.BatteryCharge, dec.ImportPrice, dec.BatterySOC) + } + if dec.BatteryDischarge > 0.1 { + dischargedTotal += dec.BatteryDischarge + exported := "" + if dec.GridExport > 0.001 { + exported = fmt.Sprintf(" → EXPORTED %.3f kW", dec.GridExport) + } + t.Logf(" Hour %2d: DISCHARGED %.3f kW at price €%.5f/kWh (SOC: %.3f)%s", + i, dec.BatteryDischarge, dec.ExportPrice, dec.BatterySOC, exported) + } + } + t.Logf("\nTotal charged: %.3f kW, Total discharged: %.3f kW", chargedTotal, dischargedTotal) + t.Logf("Degradation cost: €%.4f (%.3f kW throughput × €%.2f/kWh)", + (chargedTotal+dischargedTotal)*config.BatteryDegradationCost, + chargedTotal+dischargedTotal, + config.BatteryDegradationCost) + + // Verify arbitrage behavior: should charge during low-price periods and discharge during high-price periods + t.Log("\n=== Optimization Validation ===") + // Find hours with lowest and highest prices + minPriceHour := 0 + maxPriceHour := 0 + minPrice := hourlyPrices[0] + maxPrice := hourlyPrices[0] + + for i := 1; i < len(hourlyPrices); i++ { + if hourlyPrices[i] < minPrice { + minPrice = hourlyPrices[i] + minPriceHour = i + } + if hourlyPrices[i] > maxPrice { + maxPrice = hourlyPrices[i] + maxPriceHour = i + } + } + + t.Logf("Lowest price: €%.5f/kWh at hour %d", minPrice, minPriceHour) + t.Logf("Highest price: €%.5f/kWh at hour %d", maxPrice, maxPriceHour) + + // Check that battery tends to charge during low prices + // (Not strict since it depends on SOC constraints and overall optimization) + lowPriceCharging := 0 + for i := range len(hourlyPrices) { + if hourlyPrices[i] < (minPrice+maxPrice)/2 && decisions[i].BatteryCharge > 0.1 { + lowPriceCharging++ + } + } + + highPriceDischarging := 0 + for i := range len(hourlyPrices) { + if hourlyPrices[i] > (minPrice+maxPrice)/2 && decisions[i].BatteryDischarge > 0.1 { + highPriceDischarging++ + } + } + + t.Logf("Hours with charging during low prices: %d", lowPriceCharging) + t.Logf("Hours with discharging during high prices: %d", highPriceDischarging) + + // Verify power balance for each hour + for i, dec := range decisions { + // Power balance: Solar + GridImport + BatteryDischarge*eff = Load + GridExport + BatteryCharge/eff + supply := forecast[i].SolarForecast + dec.GridImport + dec.BatteryDischarge*config.BatteryEfficiency + demand := forecast[i].LoadForecast + dec.GridExport + dec.BatteryCharge/config.BatteryEfficiency + + if math.Abs(supply-demand) > 0.01 { + t.Errorf("Hour %d: Power balance violation. Supply=%.3f, Demand=%.3f, Diff=%.3f", + i, supply, demand, supply-demand) + } + } + + // Final SOC should be different from initial (battery was used) + finalSOC := decisions[len(hourlyPrices)-1].BatterySOC + t.Logf("Initial SOC: %.3f, Final SOC: %.3f", 0.5, finalSOC) +} + +func TestOptimizeEmptyForecast(t *testing.T) { + config := SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + } + + mpc := NewMPCController(config, 24, 0.5) + decisions := mpc.Optimize([]TimeSlot{}) + + if decisions != nil { + t.Error("Expected nil for empty forecast") + } +} + +func TestOptimizeShortHorizon(t *testing.T) { + config := SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + } + + // Test with just 2 hours + forecast := []TimeSlot{ + { + Hour: 0, + Timestamp: 1704326400, + ImportPrice: 0.05, // Cheap - should charge + ExportPrice: 0.02, + SolarForecast: 0.0, + LoadForecast: 0.5, + }, + { + Hour: 1, + Timestamp: 1704330000, + ImportPrice: 0.20, // Expensive - should discharge + ExportPrice: 0.08, + SolarForecast: 0.0, + LoadForecast: 0.5, + }, + } + + mpc := NewMPCController(config, 2, 0.5) + decisions := mpc.Optimize(forecast) + + if len(decisions) != 2 { + t.Fatalf("Expected 2 decisions, got %d", len(decisions)) + } + + // During cheap hour, battery should tend to charge (or at least not discharge heavily) + // During expensive hour, battery should tend to discharge + t.Logf("Hour 0 (cheap): Charge=%.3f, Discharge=%.3f", decisions[0].BatteryCharge, decisions[0].BatteryDischarge) + t.Logf("Hour 1 (expensive): Charge=%.3f, Discharge=%.3f", decisions[1].BatteryCharge, decisions[1].BatteryDischarge) +} + +func TestOptimizeHighLoad(t *testing.T) { + config := SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + } + + // Test with high load that exceeds battery discharge capacity + forecast := []TimeSlot{ + { + Hour: 0, + Timestamp: 1704326400, + ImportPrice: 0.30, + ExportPrice: 0.10, + SolarForecast: 0.0, + LoadForecast: 8.0, // High load - 8 kW + }, + } + + mpc := NewMPCController(config, 1, 0.9) // Start at high SOC + decisions := mpc.Optimize(forecast) + + if len(decisions) != 1 { + t.Fatalf("Expected 1 decision, got %d", len(decisions)) + } + + // With 8 kW load and max 5 kW discharge, should need grid import + if decisions[0].GridImport <= 0 { + t.Logf("Warning: Expected grid import with high load, got %.3f", decisions[0].GridImport) + } + + t.Logf("High load scenario: Discharge=%.3f, Import=%.3f", decisions[0].BatteryDischarge, decisions[0].GridImport) +} + +func TestOptimizeHighSolar(t *testing.T) { + config := SystemConfig{ + BatteryCapacity: 10.0, + BatteryMaxCharge: 5.0, + BatteryMaxDischarge: 5.0, + BatteryMinSOC: 0.1, + BatteryMaxSOC: 0.9, + BatteryEfficiency: 0.9, + BatteryDegradationCost: 0.01, + MaxGridImport: 10.0, + MaxGridExport: 10.0, + } + + // Test with high solar generation + forecast := []TimeSlot{ + { + Hour: 0, + Timestamp: 1704326400, + ImportPrice: 0.10, + ExportPrice: 0.05, + SolarForecast: 8.0, // High solar - 8 kW + LoadForecast: 2.0, + }, + } + + mpc := NewMPCController(config, 1, 0.1) // Start at low SOC + decisions := mpc.Optimize(forecast) + + if len(decisions) != 1 { + t.Fatalf("Expected 1 decision, got %d", len(decisions)) + } + + // With 8 kW solar and 2 kW load, should have excess to charge or export + excessUsed := decisions[0].BatteryCharge + decisions[0].GridExport + if excessUsed <= 0 { + t.Error("Expected battery charging or grid export with excess solar") + } + + t.Logf("High solar scenario: Charge=%.3f, Export=%.3f", decisions[0].BatteryCharge, decisions[0].GridExport) +} diff --git a/scheduler/config.go b/scheduler/config.go index e928077..a2accc4 100644 --- a/scheduler/config.go +++ b/scheduler/config.go @@ -65,16 +65,17 @@ type Config struct { UserAgent string `json:"user_agent"` // User agent for weather API client // Battery/Inverter system configuration (MPC) - BatteryCapacity float64 `json:"battery_capacity"` // kWh - BatteryMaxCharge float64 `json:"battery_max_charge"` // kW - BatteryMaxDischarge float64 `json:"battery_max_discharge"` // kW - BatteryMinSOC float64 `json:"battery_min_soc"` // percentage (0-1) - BatteryMaxSOC float64 `json:"battery_max_soc"` // percentage (0-1) - BatteryEfficiency float64 `json:"battery_efficiency"` // round-trip efficiency (0-1) - BatteryDegradationCost float64 `json:"battery_degradation_cost"` // $/kWh cycled - MaxGridImport float64 `json:"max_grid_import"` // kW - MaxGridExport float64 `json:"max_grid_export"` // kW - MaxSolarPower float64 `json:"max_solar_power"` // kW - peak solar power capacity + BatteryCapacity float64 `json:"battery_capacity"` // kWh + BatteryMaxCharge float64 `json:"battery_max_charge"` // kW + BatteryMaxDischarge float64 `json:"battery_max_discharge"` // kW + BatteryMinSOC float64 `json:"battery_min_soc"` // percentage (0-1) + BatteryMaxSOC float64 `json:"battery_max_soc"` // percentage (0-1) + BatteryEfficiency float64 `json:"battery_efficiency"` // round-trip efficiency (0-1) + BatteryDegradationCost float64 `json:"battery_degradation_cost"` // $/kWh cycled + MaxGridImport float64 `json:"max_grid_import"` // kW + MaxGridExport float64 `json:"max_grid_export"` // kW + MaxSolarPower float64 `json:"max_solar_power"` // kW - peak solar power capacity + MPCExecutionInterval time.Duration `json:"mpc_execution_interval"` // How often to re-execute current MPC decision // Price adjustments ImportPriceOperatorFee float64 `json:"import_price_operator_fee"` // EUR/MWh - Operator fee for import @@ -90,6 +91,7 @@ func DefaultConfig() *Config { CheckPriceInterval: 15 * time.Minute, MinersStateCheckInterval: 1 * time.Minute, MinerDiscoveryInterval: 10 * time.Minute, + MPCExecutionInterval: 1 * time.Minute, DryRun: false, APITimeout: 30 * time.Second, LogLevel: "info", @@ -112,7 +114,7 @@ func DefaultConfig() *Config { BatteryMinSOC: 0.0, // 0% BatteryMaxSOC: 1.0, // 100% BatteryEfficiency: 0.92, // 92% round-trip - BatteryDegradationCost: 0.05, // $0.05 per kWh cycled + BatteryDegradationCost: 0.0, // $0.00 per kWh cycled MaxGridImport: 30.0, // 30 kW MaxGridExport: 30.0, // 30 kW MaxSolarPower: 30.0, // 30 kW peak solar power @@ -360,6 +362,7 @@ func (c *Config) MarshalJSON() ([]byte, error) { CheckInterval string `json:"check_price_interval"` MinersStateCheckInterval string `json:"miners_state_check_interval"` MinerDiscoveryInterval string `json:"miner_discovery_interval"` + MPCExecutionInterval string `json:"mpc_execution_interval"` APITimeout string `json:"api_timeout"` MinerTimeout string `json:"miner_timeout"` PVPollInterval string `json:"pv_poll_interval"` @@ -370,6 +373,7 @@ func (c *Config) MarshalJSON() ([]byte, error) { CheckInterval: c.CheckPriceInterval.String(), MinersStateCheckInterval: c.MinersStateCheckInterval.String(), MinerDiscoveryInterval: c.MinerDiscoveryInterval.String(), + MPCExecutionInterval: c.MPCExecutionInterval.String(), APITimeout: c.APITimeout.String(), MinerTimeout: c.MinerTimeout.String(), PVPollInterval: c.PVPollInterval.String(), @@ -386,6 +390,7 @@ func (c *Config) UnmarshalJSON(data []byte) error { CheckPriceInterval string `json:"check_price_interval"` MinersStateCheckInterval string `json:"miners_state_check_interval"` MinerDiscoveryInterval string `json:"miner_discovery_interval"` + MPCExecutionInterval string `json:"mpc_execution_interval"` APITimeout string `json:"api_timeout"` MinerTimeout string `json:"miner_timeout"` UrlFormat string `json:"url_format"` @@ -425,6 +430,12 @@ func (c *Config) UnmarshalJSON(data []byte) error { } } + if aux.MPCExecutionInterval != "" { + if c.MPCExecutionInterval, err = time.ParseDuration(aux.MPCExecutionInterval); err != nil { + return fmt.Errorf("invalid mpc_execution_interval: %w", err) + } + } + if aux.APITimeout != "" { if c.APITimeout, err = time.ParseDuration(aux.APITimeout); err != nil { return fmt.Errorf("invalid api_timeout: %w", err) diff --git a/scheduler/miners.go b/scheduler/miners.go index 6e405b5..90cb618 100644 --- a/scheduler/miners.go +++ b/scheduler/miners.go @@ -41,8 +41,8 @@ func (s *MinerScheduler) discoverMiners(ctx context.Context) error { return nil } -// runMinerDiscovery runs the miner discovery process as a scheduled task -func (s *MinerScheduler) runMinerDiscovery(ctx context.Context) { +// RunMinerDiscovery runs the miner discovery process as a scheduled task +func (s *MinerScheduler) RunMinerDiscovery(ctx context.Context) { s.logger.Printf("Starting miner discovery task at %s", time.Now().Format(time.RFC3339)) if err := s.discoverMiners(ctx); err != nil { diff --git a/scheduler/mpc.go b/scheduler/mpc.go index ec81e14..1ec6295 100644 --- a/scheduler/mpc.go +++ b/scheduler/mpc.go @@ -12,8 +12,8 @@ import ( "github.com/sixdouglas/suncalc" ) -// runMPCOptimize executes the MPC optimization task -func (s *MinerScheduler) runMPCOptimize(ctx context.Context) { +// RunMPCOptimize executes the MPC optimization task +func (s *MinerScheduler) RunMPCOptimize(ctx context.Context) { s.logger.Printf("Starting MPC optimization task at %s", time.Now().Format(time.RFC3339)) config := s.GetConfig() @@ -75,6 +75,7 @@ func (s *MinerScheduler) runMPCOptimize(ctx context.Context) { // Step 5: Save optimization results s.mu.Lock() s.mpcDecisions = decisions + s.lastMPCExecutionError = nil // Clear any previous execution error s.mu.Unlock() // Log summary @@ -83,11 +84,18 @@ func (s *MinerScheduler) runMPCOptimize(ctx context.Context) { for _, dec := range decisions { totalProfit += dec.Profit } - s.logger.Printf("Total expected profit over %d hours: €%.2f", len(decisions), totalProfit) + s.logger.Printf("Total expected profit over %d hours: %.2f EUR", len(decisions), totalProfit) // Step 6: Execute the first control decision - if err := s.executeMPCDecision(&decisions[0], true); err != nil { - s.logger.Printf("Error executing MPC decision: %v", err) + err = s.executeMPCDecision(&decisions[0], config.DryRun) + + // Record execution status + s.mu.Lock() + s.lastMPCExecutionError = err + s.mu.Unlock() + + if err != nil { + s.logger.Printf("Error executing MPC decision: %v (will retry every minute)", err) return } @@ -184,7 +192,7 @@ type PricePoint struct { Export float64 // EUR/MWh } -// getPriceForecast gets electricity prices for the next 24 hours +// getPriceForecast gets electricity prices for the next 36 hours func (s *MinerScheduler) getPriceForecast(ctx context.Context, now time.Time) (map[int]PricePoint, error) { // Get the market data @@ -199,9 +207,9 @@ func (s *MinerScheduler) getPriceForecast(ctx context.Context, now time.Time) (m // Get configuration for price adjustments config := s.GetConfig() - // Extract prices for next 24 hours + // Extract prices for next 36 hours forecast := make(map[int]PricePoint) - for i := range 24 { + for i := range 36 { futureTime := now.Add(time.Duration(i) * time.Hour) price, found := marketData.LookupAveragePriceInHourByTime(futureTime) @@ -235,7 +243,7 @@ func (s *MinerScheduler) getSolarForecast(config *Config, now time.Time, weather solarForecast := make(map[int]float64) weatherData := make(map[int]WeatherData) - for i := range 24 { + for i := range 36 { futureTime := now.Add(time.Duration(i) * time.Hour) solarPower, cloudCoverage, weatherSymbol := s.estimateSolarPowerFromWeather(weatherForecast, futureTime, config.MaxSolarPower, currentPVPower) solarForecast[i] = solarPower @@ -431,6 +439,129 @@ func (s *MinerScheduler) executeMPCDecision(decision *mpc.ControlDecision, dryRu return nil } - s.logger.Printf("Successfully executed MPC decision") + config := s.GetConfig() + + // Connect to Plant Modbus server + client, err := sigenergy.NewTCPClient(config.PlantModbusAddress, sigenergy.PlantAddress) + if err != nil { + return fmt.Errorf("failed to connect to Plant Modbus: %w", err) + } + defer client.Close() + + // Enable Remote EMS control + if err := client.EnableRemoteEMS(true); err != nil { + return fmt.Errorf("failed to enable remote EMS: %w", err) + } + s.logger.Printf("Enabled Remote EMS control") + + // Determine control mode based on decision + var mode uint16 + + if decision.BatteryCharge > 0.01 { + // Battery should charge + // Mode 4: Command charging (PV first) - charge from PV, then grid if needed + mode = 4 + chargeLimit := decision.BatteryCharge + s.logger.Printf("Setting battery to CHARGE mode: %.1f kW", chargeLimit) + + // Set Remote EMS control mode + if err := client.SetRemoteEMSMode(mode); err != nil { + return fmt.Errorf("failed to set remote EMS mode: %w", err) + } + + // Set ESS max charging limit + if err := client.SetESSMaxChargingLimit(chargeLimit); err != nil { + return fmt.Errorf("failed to set ESS charging limit: %w", err) + } + + } else if decision.BatteryDischarge > 0.01 { + // Battery should discharge + // Mode 6: Command discharging (ESS first) - discharge from battery first + mode = 6 + dischargeLimit := decision.BatteryDischarge + s.logger.Printf("Setting battery to DISCHARGE mode: %.1f kW", dischargeLimit) + + // Set Remote EMS control mode + if err := client.SetRemoteEMSMode(mode); err != nil { + return fmt.Errorf("failed to set remote EMS mode: %w", err) + } + + // Set ESS max discharging limit + if err := client.SetESSMaxDischargingLimit(dischargeLimit); err != nil { + return fmt.Errorf("failed to set ESS discharging limit: %w", err) + } + + } else { + // Battery should stay idle - MPC wants to maintain SOC and use grid import/export + // Set minimal charge/discharge limits to prevent battery participation + // Use mode 4 (command charging) with minimal limits to keep battery idle + mode = 4 + minimalLimit := 0.0 // Zero limit to keep battery completely idle + s.logger.Printf("Setting battery to IDLE mode (minimal limits): GridImport: %.1f kW, GridExport: %.1f kW", + decision.GridImport, decision.GridExport) + + // Set Remote EMS control mode + if err := client.SetRemoteEMSMode(mode); err != nil { + return fmt.Errorf("failed to set remote EMS mode: %w", err) + } + + // Set minimal charging and discharging limits to effectively disable battery use + if err := client.SetESSMaxChargingLimit(minimalLimit); err != nil { + return fmt.Errorf("failed to set ESS charging limit: %w", err) + } + if err := client.SetESSMaxDischargingLimit(minimalLimit); err != nil { + return fmt.Errorf("failed to set ESS discharging limit: %w", err) + } + } + + s.logger.Printf("Successfully executed MPC decision - Mode: %d, SOC: %.1f%%, GridImport: %.1f kW, GridExport: %.1f kW", + mode, decision.BatterySOC*100, decision.GridImport, decision.GridExport) + return nil } + +// runMPCExecution re-executes the current MPC decision only if previous execution failed +// This ensures the decision is applied even if previous execution failed +func (s *MinerScheduler) runMPCExecution() { + + // Check if last execution failed + s.mu.RLock() + lastError := s.lastMPCExecutionError + if lastError == nil { + // Last execution succeeded, no need to retry + s.mu.RUnlock() + return + } + + config := s.GetConfig() + + // Check if Plant Modbus Address is configured + if config.PlantModbusAddress == "" { + s.mu.RUnlock() + return + } + + // Get current MPC decision + if len(s.mpcDecisions) == 0 { + s.mu.RUnlock() + return + } + currentDecision := s.mpcDecisions[0] + s.mu.RUnlock() + + s.logger.Printf("Retrying MPC decision execution (previous error: %v)", lastError) + + // Execute the current decision + err := s.executeMPCDecision(¤tDecision, config.DryRun) + + s.mu.Lock() + s.lastMPCExecutionError = err + s.mu.Unlock() + + if err != nil { + s.logger.Printf("Error retrying MPC decision: %v (will retry again in 1 minute)", err) + return + } + + s.logger.Printf("Successfully retried MPC decision execution") +} diff --git a/scheduler/scheduler.go b/scheduler/scheduler.go index 3ecd103..acd71ec 100644 --- a/scheduler/scheduler.go +++ b/scheduler/scheduler.go @@ -81,7 +81,8 @@ type MinerScheduler struct { weatherCache WeatherForecastCache // MPC optimization results - mpcDecisions []mpc.ControlDecision + mpcDecisions []mpc.ControlDecision + lastMPCExecutionError error // Tracks if last MPC execution failed // Web server webServer *WebServer @@ -171,6 +172,8 @@ func (s *MinerScheduler) Start(ctx context.Context, serverOnly bool) error { if s.config.DryRun { s.logger.Printf("DRY-RUN MODE ENABLED: Actions will be simulated only") + } else { + s.GetMarketData(ctx) //nolint:gosec } // Start web server if configured @@ -207,6 +210,7 @@ func (s *MinerScheduler) Start(ctx context.Context, serverOnly bool) error { minersControlInitialDelay := s.getInitialDelay(now, config.CheckPriceInterval) + time.Second pvDataInitialDelay := s.getInitialDelay(now, config.PVIntegrationPeriod) stateCheckInitialDelay := s.getInitialDelay(now, config.MinersStateCheckInterval) + mpcExecutionInitialDelay := s.getInitialDelay(now, config.MPCExecutionInterval) + 2*time.Second // Create periodic tasks tasks := []PeriodicTask{ @@ -215,7 +219,7 @@ func (s *MinerScheduler) Start(ctx context.Context, serverOnly bool) error { initialDelay: 0, // Run immediately interval: config.MinerDiscoveryInterval, runFunc: func() { - s.runMinerDiscovery(ctx) + s.RunMinerDiscovery(ctx) }, }, { @@ -224,7 +228,7 @@ func (s *MinerScheduler) Start(ctx context.Context, serverOnly bool) error { interval: config.CheckPriceInterval, runFunc: func() { s.runPriceCheck(ctx) - s.runMPCOptimize(ctx) + s.RunMPCOptimize(ctx) }, }, { @@ -251,6 +255,14 @@ func (s *MinerScheduler) Start(ctx context.Context, serverOnly bool) error { s.runDataIntegration(dataSamples, config.PVPollInterval, dataDB, config.DeviceID, config.DryRun) }, }, + { + name: "MPCExecution", + initialDelay: mpcExecutionInitialDelay, + interval: config.MPCExecutionInterval, + runFunc: func() { + s.runMPCExecution() + }, + }, } // Start each periodic task in its own goroutine diff --git a/scheduler/scheduler_test.go b/scheduler/scheduler_test.go index 5381698..816cc76 100644 --- a/scheduler/scheduler_test.go +++ b/scheduler/scheduler_test.go @@ -103,6 +103,7 @@ func testConfigWithServer(server *httptest.Server) *Config { PVIntegrationPeriod: 15 * time.Minute, APITimeout: 5 * time.Second, MinerTimeout: 5 * time.Second, + MPCExecutionInterval: time.Minute, Location: "Europe/Riga", SecurityToken: "test-token", UrlFormat: urlFormat, diff --git a/test_data/Energy_Prices_202601032300-202601042300.xml b/test_data/Energy_Prices_202601032300-202601042300.xml new file mode 100644 index 0000000..1d741c5 --- /dev/null +++ b/test_data/Energy_Prices_202601032300-202601042300.xml @@ -0,0 +1,413 @@ + + + 63f74f589e614077a409adbd15a73011 + 1 + A44 + 10X1001A1001A450 + A32 + 10X1001A1001A450 + A33 + 2026-01-04T16:19:18Z + + 2026-01-03T23:00Z + 2026-01-04T23:00Z + + + 1 + A01 + A62 + 10YLV-1001A00074 + 10YLV-1001A00074 + A01 + EUR + MWH + A03 + + + 2026-01-03T23:00Z + 2026-01-04T23:00Z + + PT15M + + 1 + 83 + + + 2 + 86.15 + + + 3 + 85.06 + + + 4 + 81.74 + + + 5 + 84.74 + + + 6 + 82.78 + + + 7 + 81.63 + + + 8 + 81.49 + + + 9 + 84.26 + + + 10 + 82.22 + + + 11 + 81.58 + + + 12 + 81.4 + + + 13 + 81.98 + + + 14 + 81.27 + + + 15 + 80.84 + + + 16 + 80.48 + + + 17 + 80.04 + + + 18 + 79.97 + + + 19 + 80.02 + + + 20 + 80.46 + + + 21 + 80.06 + + + 22 + 80.64 + + + 23 + 81.37 + + + 24 + 81.33 + + + 25 + 80.31 + + + 26 + 81.22 + + + 27 + 81.1 + + + 28 + 82.16 + + + 29 + 81.85 + + + 30 + 82.03 + + + 31 + 84.38 + + + 32 + 87.31 + + + 33 + 84.18 + + + 34 + 85 + + + 35 + 86.28 + + + 36 + 86.99 + + + 37 + 94.02 + + + 38 + 96 + + + 39 + 95.99 + + + 40 + 91.19 + + + 41 + 103.94 + + + 42 + 97.19 + + + 43 + 90.92 + + + 44 + 86.97 + + + 45 + 93.85 + + + 46 + 89.99 + + + 47 + 142.95 + + + 48 + 190 + + + 49 + 91.3 + + + 50 + 89.7 + + + 51 + 89.94 + + + 52 + 118.52 + + + 53 + 86.2 + + + 54 + 85.27 + + + 55 + 128.51 + + + 56 + 149.99 + + + 57 + 83.5 + + + 58 + 99.97 + + + 59 + 149.99 + + + 60 + 172.31 + + + 61 + 149.99 + + + 63 + 186.54 + + + 64 + 162.9 + + + 65 + 174.16 + + + 66 + 143.28 + + + 67 + 121.13 + + + 68 + 117.94 + + + 69 + 176.66 + + + 70 + 142.92 + + + 71 + 127.32 + + + 72 + 127.4 + + + 73 + 126.81 + + + 74 + 125.24 + + + 75 + 125 + + + 76 + 124.9 + + + 77 + 123.5 + + + 78 + 120.92 + + + 79 + 119.38 + + + 80 + 115.06 + + + 81 + 121.3 + + + 82 + 115.33 + + + 83 + 110 + + + 84 + 103.17 + + + 85 + 110 + + + 86 + 136.71 + + + 87 + 135.39 + + + 88 + 126.39 + + + 89 + 134.14 + + + 90 + 117.61 + + + 91 + 97.83 + + + 92 + 90.68 + + + 93 + 97.61 + + + 94 + 89.73 + + + 95 + 86.33 + + + 96 + 83.17 + + + + \ No newline at end of file diff --git a/test_data/Energy_Prices_202601042300-202601052300.xml b/test_data/Energy_Prices_202601042300-202601052300.xml new file mode 100644 index 0000000..1137175 --- /dev/null +++ b/test_data/Energy_Prices_202601042300-202601052300.xml @@ -0,0 +1,417 @@ + + + 8e4cf74491c94cb0bc84bb7c8069ddc1 + 1 + A44 + 10X1001A1001A450 + A32 + 10X1001A1001A450 + A33 + 2026-01-04T16:28:41Z + + 2026-01-04T23:00Z + 2026-01-05T23:00Z + + + 1 + A01 + A62 + 10YLV-1001A00074 + 10YLV-1001A00074 + A01 + EUR + MWH + A03 + + + 2026-01-04T23:00Z + 2026-01-05T23:00Z + + PT15M + + 1 + 150.03 + + + 2 + 144.17 + + + 3 + 123.81 + + + 4 + 103.75 + + + 5 + 123.7 + + + 6 + 110.03 + + + 7 + 100.05 + + + 8 + 96.46 + + + 9 + 101.21 + + + 10 + 97.31 + + + 11 + 94.6 + + + 12 + 94.51 + + + 13 + 99.93 + + + 14 + 100 + + + 15 + 105.36 + + + 16 + 109.35 + + + 17 + 86.25 + + + 18 + 94.98 + + + 19 + 110.02 + + + 20 + 134.9 + + + 21 + 110.07 + + + 22 + 142.94 + + + 23 + 112.04 + + + 24 + 139.37 + + + 25 + 110.02 + + + 26 + 126.79 + + + 27 + 127.28 + + + 28 + 129.77 + + + 29 + 114.46 + + + 30 + 120.92 + + + 31 + 132.96 + + + 32 + 148.91 + + + 33 + 145.35 + + + 34 + 156.48 + + + 35 + 148.97 + + + 36 + 153.89 + + + 37 + 162.98 + + + 38 + 161.48 + + + 39 + 147.22 + + + 40 + 136.9 + + + 41 + 162.45 + + + 42 + 146.54 + + + 43 + 140.27 + + + 44 + 134.67 + + + 45 + 143.41 + + + 46 + 139.75 + + + 47 + 139.41 + + + 48 + 137.35 + + + 49 + 137.85 + + + 50 + 136.3 + + + 51 + 137.2 + + + 52 + 139.42 + + + 53 + 134.89 + + + 54 + 136.58 + + + 55 + 149.62 + + + 56 + 150.09 + + + 57 + 141.14 + + + 58 + 150.13 + + + 59 + 157.94 + + + 60 + 187.35 + + + 61 + 163.48 + + + 62 + 194.14 + + + 63 + 207.35 + + + 64 + 237.47 + + + 65 + 195 + + + 66 + 212.25 + + + 67 + 242.22 + + + 68 + 242.23 + + + 69 + 200.23 + + + 70 + 213.27 + + + 71 + 250.58 + + + 72 + 249.35 + + + 73 + 225.01 + + + 74 + 222.01 + + + 75 + 222.72 + + + 76 + 205.94 + + + 77 + 222.12 + + + 78 + 208.91 + + + 79 + 162 + + + 80 + 138.11 + + + 81 + 171.3 + + + 82 + 146.73 + + + 83 + 138.09 + + + 84 + 132 + + + 85 + 137.82 + + + 86 + 135.05 + + + 87 + 125.75 + + + 88 + 117.78 + + + 89 + 128.7 + + + 90 + 122.47 + + + 91 + 124.17 + + + 92 + 120.03 + + + 93 + 119.51 + + + 94 + 112.41 + + + 95 + 107.26 + + + 96 + 106.02 + + + + \ No newline at end of file diff --git a/test_data/health.json b/test_data/health.json index a411c0e..1b5a31d 100644 --- a/test_data/health.json +++ b/test_data/health.json @@ -1,7 +1,7 @@ { "health": { "status": "healthy", - "timestamp": "2025-12-30T12:59:30Z", + "timestamp": "2026-01-03T21:29:08Z", "version": "1.0.0", "scheduler": { "is_running": true, @@ -9,17 +9,411 @@ "has_market_data": true, "price_limit": 30, "network": "192.168.88.0/24", - "check_price_interval": "" + "check_price_interval": "", + "mpc_decisions": [ + { + "hour": 0, + "timestamp": 1767474027, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.495, + "profit": -0.051315000000000006, + "import_price": 0.13684000000000002, + "export_price": 0.07134, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 100, + "weather_symbol": "cloudy" + }, + { + "hour": 1, + "timestamp": 1767477627, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.495, + "profit": -0.0489403125, + "import_price": 0.1305075, + "export_price": 0.0650075, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 100, + "weather_symbol": "cloudy" + }, + { + "hour": 2, + "timestamp": 1767481227, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.495, + "profit": -0.049682812500000006, + "import_price": 0.1324875, + "export_price": 0.06698749999999999, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 100, + "weather_symbol": "cloudy" + }, + { + "hour": 3, + "timestamp": 1767484827, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.495, + "profit": -0.049185, + "import_price": 0.13116, + "export_price": 0.06566, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 100, + "weather_symbol": "cloudy" + }, + { + "hour": 4, + "timestamp": 1767488427, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.495, + "profit": -0.049074375, + "import_price": 0.130865, + "export_price": 0.065365, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 100, + "weather_symbol": "cloudy" + }, + { + "hour": 5, + "timestamp": 1767492027, + "battery_charge": 3.6, + "battery_discharge": 0, + "grid_import": 4.288043478260869, + "grid_export": 0, + "battery_soc": 0.633, + "profit": -0.7732497166304347, + "import_price": 0.1296425, + "export_price": 0.0641425, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 99.8, + "weather_symbol": "cloudy" + }, + { + "hour": 6, + "timestamp": 1767495627, + "battery_charge": 4.8, + "battery_discharge": 0, + "grid_import": 5.592391304347825, + "grid_export": 0, + "battery_soc": 0.8190000000000001, + "profit": -1.008698390543478, + "import_price": 0.1286225, + "export_price": 0.06312249999999998, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 92.9, + "weather_symbol": "cloudy" + }, + { + "hour": 7, + "timestamp": 1767499227, + "battery_charge": 3.6, + "battery_discharge": 0, + "grid_import": 4.288043478260869, + "grid_export": 0, + "battery_soc": 0.9580000000000001, + "profit": -0.7719112239130435, + "import_price": 0.12935, + "export_price": 0.06384999999999999, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 87.3, + "weather_symbol": "cloudy" + }, + { + "hour": 8, + "timestamp": 1767502827, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.96, + "profit": -0.048636562499999994, + "import_price": 0.1296975, + "export_price": 0.06419749999999999, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 77.2, + "weather_symbol": "partlycloudy_night" + }, + { + "hour": 9, + "timestamp": 1767506427, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.96, + "profit": -0.049647187499999995, + "import_price": 0.1323925, + "export_price": 0.0668925, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 79.9, + "weather_symbol": "partlycloudy_night" + }, + { + "hour": 10, + "timestamp": 1767510027, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0.375, + "grid_export": 0, + "battery_soc": 0.96, + "profit": -0.05029218750000001, + "import_price": 0.13411250000000002, + "export_price": 0.06861249999999999, + "solar_forecast": 0, + "load_forecast": 0.375, + "cloud_coverage": 97.6, + "weather_symbol": "cloudy" + }, + { + "hour": 11, + "timestamp": 1767513627, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0, + "grid_export": 0.060946735824336074, + "battery_soc": 0.96, + "profit": 0.004711182679221178, + "import_price": 0.1428, + "export_price": 0.0773, + "solar_forecast": 0.4359467358243361, + "load_forecast": 0.375, + "cloud_coverage": 90.2, + "weather_symbol": "cloudy" + }, + { + "hour": 12, + "timestamp": 1767517227, + "battery_charge": 0, + "battery_discharge": 0, + "grid_import": 0, + "grid_export": 0.18529413271324602, + "battery_soc": 0.96, + "profit": 0.014407545289118442, + "import_price": 0.143255, + "export_price": 0.07775499999999999, + "solar_forecast": 0.560294132713246, + "load_forecast": 0.375, + "cloud_coverage": 96.5, + "weather_symbol": "cloudy" + }, + { + "hour": 13, + "timestamp": 1767520827, + "battery_charge": 0, + "battery_discharge": 2.4, + "grid_import": 0, + "grid_export": 2.367742913764886, + "battery_soc": 0.86, + "profit": 0.5380109155671359, + "import_price": 0.17769749999999998, + "export_price": 0.11219749999999999, + "solar_forecast": 0.5347429137648861, + "load_forecast": 0.375, + "cloud_coverage": 99.8, + "weather_symbol": "cloudy" + }, + { + "hour": 14, + "timestamp": 1767524427, + "battery_charge": 1.2, + "battery_discharge": 0, + "grid_import": 0.7194882345984277, + "grid_export": 0, + "battery_soc": 0.906, + "profit": -0.17895119133969967, + "import_price": 0.14586500000000002, + "export_price": 0.08036499999999999, + "solar_forecast": 0.9598595914885286, + "load_forecast": 0.375, + "cloud_coverage": 90.7, + "weather_symbol": "cloudy" + }, + { + "hour": 15, + "timestamp": 1767528027, + "battery_charge": 1.2, + "battery_discharge": 0, + "grid_import": 0.5203600257896768, + "grid_export": 0, + "battery_soc": 0.9510000000000001, + "profit": -0.15922934145194453, + "import_price": 0.1609925, + "export_price": 0.09549250000000001, + "solar_forecast": 1.1589878002972795, + "load_forecast": 0.375, + "cloud_coverage": 80.3, + "weather_symbol": "partlycloudy_day" 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"status_update" } diff --git a/web/src/App.css b/web/src/App.css index 2251491..614e1de 100644 --- a/web/src/App.css +++ b/web/src/App.css @@ -428,16 +428,6 @@ body { border-bottom: none; } -/* Align numeric columns to the right */ -.mpc-table td:nth-child(4), -.mpc-table td:nth-child(5), -.mpc-table td:nth-child(6), -.mpc-table td:nth-child(7), -.mpc-table td:nth-child(8), -.mpc-table td:nth-child(9) { - text-align: right; -} - /* Prevent wrapping in forecast and profit columns */ .mpc-table th:nth-child(5), .mpc-table th:nth-child(6), @@ -480,6 +470,20 @@ body { font-style: italic; } +.price-highest { + background-color: rgba(239, 68, 68, 0.2); + font-weight: 600; + padding: 2px 4px; + border-radius: 3px; +} + +.price-lowest { + background-color: rgba(34, 197, 94, 0.2); + font-weight: 600; + padding: 2px 4px; + border-radius: 3px; +} + @media (max-width: 768px) { .header { flex-direction: column; diff --git a/web/src/components/MPCDecisions.tsx b/web/src/components/MPCDecisions.tsx index 733f8d3..c21fa56 100644 --- a/web/src/components/MPCDecisions.tsx +++ b/web/src/components/MPCDecisions.tsx @@ -94,6 +94,15 @@ export function MPCDecisions({ decisions }: MPCDecisionsProps) { // Calculate total profit const totalProfit = decisions.reduce((sum, dec) => sum + dec.profit, 0); + // Find highest and lowest import/export prices + const importPrices = decisions.map((d) => d.import_price); + const exportPrices = decisions.map((d) => d.export_price); + + const highestImport = Math.max(...importPrices); + const lowestImport = Math.min(...importPrices); + const highestExport = Math.max(...exportPrices); + const lowestExport = Math.min(...exportPrices); + // Helper function to determine battery action const getBatteryAction = (decision: MPCDecisionInfo) => { if (decision.battery_charge > 0.1) { @@ -198,8 +207,32 @@ export function MPCDecisions({ decisions }: MPCDecisionsProps) { {(decision.battery_soc * 100).toFixed(1)}% - {(decision.import_price * 1000).toFixed(2)} - {(decision.export_price * 1000).toFixed(2)} + + + {(decision.import_price * 1000).toFixed(2)} + + + + + {(decision.export_price * 1000).toFixed(2)} + + {decision.solar_forecast.toFixed(1)} {decision.load_forecast.toFixed(1)} {decision.cloud_coverage.toFixed(0)}