/**
 * Carbon Footprint Calculator Types
 */
export interface CarbonFootprintInput {
    electricityUsage: number;
    emissionFactor: number;
}
export interface CarbonFootprintResult {
    co2Kg: number;
    co2Tonnes: number;
    treesEquivalent: number;
    carsEquivalent: number;
}
/**
 * Compressed Air Cost Calculator Types
 */
export interface CompressedAirCostInput {
    compressorPower: number;
    runningHours: number;
    electricityRate: number;
    airOutput: number;
    maintenanceCost: number;
}
export interface CompressedAirCostResult {
    electricityCost: number;
    totalCost: number;
    costPerM3: number;
    /** Cost per cubic foot of delivered air ($/ft³) */
    costPerFt3: number;
}
/**
 * Motor Efficiency Calculator Types
 */
export interface MotorEfficiencyInput {
    motorPower: number;
    runningHours: number;
    currentEfficiency: number;
    newEfficiency: number;
    electricityRate: number;
    loadFactor: number;
    upgradeCost?: number;
}
export interface MotorEfficiencyResult {
    currentAnnualCost: number;
    newAnnualCost: number;
    annualSavings: number;
    energySavings: number;
    paybackPeriod: number | null;
}
/**
 * Power Cost Calculator Types
 */
export interface PowerCostInput {
    energyConsumption: number;
    energyRate: number;
    demandPeak: number;
    demandRate: number;
    powerFactor: number;
    pfPenaltyThreshold: number;
    pfPenaltyRate: number;
    fixedCharges: number;
}
export interface PowerCostResult {
    energyCost: number;
    demandCost: number;
    pfPenalty: number;
    fixedCharges: number;
    totalCost: number;
}
/**
 * Power Factor Correction Calculator Types
 */
export interface PfCorrectionInput {
    kW: number;
    currentPf: number;
    targetPf: number;
    electricityRate: number;
    monthlyUsageHours: number;
    pfPenaltyRate: number;
    pfPenaltyThreshold: number;
    capacitorCostPerKvar: number;
}
export interface PfCorrectionResult {
    currentKva: number;
    targetKva: number;
    kvarRequired: number;
    capacitorCost: number;
    currentMonthlyPenalty: number;
    newMonthlyPenalty: number;
    monthlySavings: number;
    annualSavings: number;
    paybackMonths: number;
}
/**
 * Solar Output Calculator Types (PVWatts-based)
 */
export interface SolarOutputInput {
    panelWattage: number;
    panelCount: number;
    peakSunHours: number;
    systemEfficiency: number;
    tiltAngle: number;
    latitude: number;
    azimuthOffset: number;
}
export interface SolarOutputResult {
    systemSizeKw: number;
    dailyOutputKwh: number;
    monthlyOutputKwh: number;
    annualOutputKwh: number;
    capacityFactor: number;
    tiltEfficiency: number;
}
/**
 * VFD (Variable Frequency Drive) Savings Calculator Types
 */
export interface VfdSavingsInput {
    motorKw: number;
    fullSpeedRpm: number;
    newSpeedRpm: number;
    runningHoursPerYear: number;
    electricityRate: number;
    loadFactor: number;
    vfdCost: number;
    vfdEfficiency: number;
}
export interface VfdSavingsResult {
    speedRatio: number;
    powerRatio: number;
    originalPowerKw: number;
    newPowerKw: number;
    powerReduction: number;
    powerReductionPercent: number;
    originalAnnualCost: number;
    newAnnualCost: number;
    annualSavings: number;
    paybackYears: number;
    co2ReductionKg: number;
}
/**
 * Boiler Efficiency Calculator Types
 */
export interface BoilerEfficiencyInput {
    fuelRate: number;
    fuelHeatValue: number;
    steamOutput: number;
    steamEnthalpy: number;
    feedwaterEnthalpy: number;
    operatingHours?: number;
    fuelCost?: number;
}
export interface BoilerEfficiencyResult {
    heatInput: number;
    heatOutput: number;
    heatLoss: number;
    efficiency: number;
    annualFuelCost: number | null;
    annualHeatLoss: number | null;
}
/**
 * Transformer Loss Calculator Types
 */
export interface TransformerLossInput {
    ratedCapacity: number;
    coreLoss: number;
    copperLoss: number;
    loadFraction: number;
    powerFactor?: number;
    operatingHours?: number;
    energyCost?: number;
}
export interface TransformerLossResult {
    outputPower: number;
    totalLoss: number;
    coreLossAtLoad: number;
    copperLossAtLoad: number;
    efficiency: number;
    optimalLoadFraction: number;
    annualLossEnergy: number | null;
    annualLossCost: number | null;
}
/**
 * Insulation ROI Calculator Types
 */
export interface InsulationRoiInput {
    surfaceArea: number;
    tempDifference: number;
    insulationK: number;
    insulationThickness: number;
    surfaceCoefficient?: number;
    operatingHours: number;
    energyCost: number;
    boilerEfficiency?: number;
    installationCost?: number;
}
export interface InsulationRoiResult {
    bareHeatLoss: number;
    insulatedHeatLoss: number;
    heatSaved: number;
    heatLossReduction: number;
    annualEnergySaved: number;
    annualCostSaved: number;
    paybackPeriod: number | null;
}
/**
 * LED ROI Calculator Types
 */
export interface LedRoiInput {
    fixtureCount: number;
    oldWatts: number;
    newWatts: number;
    operatingHours: number;
    electricityRate: number;
    fixtureCost?: number;
    installationCost?: number;
    co2Factor?: number;
}
export interface LedRoiResult {
    oldAnnualEnergy: number;
    newAnnualEnergy: number;
    annualEnergySaved: number;
    energyReduction: number;
    annualCostSaved: number;
    totalInvestment: number;
    paybackPeriod: number | null;
    co2Saved: number;
}
/**
 * Heat Pump COP Calculator Types
 */
export interface HeatPumpInput {
    sourceTemp: number;
    sinkTemp: number;
    heatingCapacity: number;
    compressorPower: number;
    auxiliaryPower?: number;
    operatingHours?: number;
    electricityRate?: number;
    boilerEfficiency?: number;
    fuelCost?: number;
}
export interface HeatPumpResult {
    cop: number;
    copCarnot: number;
    efficiency: number;
    annualElectricity: number | null;
    annualElecCost: number | null;
    annualFuelCost: number | null;
    annualSavings: number | null;
}
/**
 * Degree Day (HDD/CDD) Calculator Types
 */
export interface DegreeDayInput {
    dailyTemps: number[];
    baseHeating?: number;
    baseCooling?: number;
}
export interface DegreeDayResult {
    hdd: number;
    cdd: number;
    totalDays: number;
    heatingDays: number;
    coolingDays: number;
    neutralDays: number;
    avgTemp: number;
}
/**
 * Wind Output Calculator Types
 */
export interface WindOutputInput {
    ratedPower: number;
    hubHeight: number;
    averageWindSpeed: number;
    referenceHeight?: number;
    cutInSpeed?: number;
    cutOutSpeed?: number;
    ratedSpeed?: number;
    rotorDiameter?: number;
    terrainRoughness?: number;
}
export interface WindOutputResult {
    adjustedWindSpeed: number;
    capacityFactor: number;
    annualOutput: number;
    monthlyOutput: number;
    dailyOutput: number;
    sweptArea: number | null;
    betzLimit: number | null;
}
/**
 * CUSUM (Cumulative Sum) Energy Anomaly Detection Types
 */
export interface CusumInput {
    values: number[];
    target: number;
    allowance?: number;
    decisionInterval?: number;
    stdDev?: number;
}
export interface CusumResult {
    cusumPositive: number[];
    cusumNegative: number[];
    signals: number[];
    isOutOfControl: boolean;
    shiftDetected: 'none' | 'positive' | 'negative' | 'both';
}
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