{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "power-factor-correction",
  "name": "Power Factor Correction Sizing & Savings Calculator",
  "description": "Size capacitor kVAR and estimate apparent-power billing reduction.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/power-factor-correction/",
  "methodology_url": "https://calculateenergysavings.com/calculators/power-factor-correction/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/power-factor-correction",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/power-factor-correction/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "realPowerKw": {
        "type": "number",
        "default": 1000,
        "title": "Real power",
        "x-unit": "kW"
      },
      "existingPfPercent": {
        "type": "number",
        "default": 80,
        "title": "Existing power factor",
        "x-unit": "%"
      },
      "targetPfPercent": {
        "type": "number",
        "default": 95,
        "title": "Target power factor",
        "x-unit": "%"
      },
      "kvaCharge": {
        "type": "number",
        "default": 4,
        "title": "Apparent-power charge",
        "x-unit": "$/kVA-month"
      },
      "billedMonths": {
        "type": "number",
        "default": 12,
        "title": "Affected months",
        "x-unit": "months/year"
      },
      "installedCost": {
        "type": "number"
      },
      "incentiveAmount": {
        "type": "number",
        "default": 0
      },
      "annualMaintenanceSavings": {
        "type": "number",
        "default": 0
      },
      "projectLife": {
        "type": "number",
        "default": 15
      },
      "discountRatePercent": {
        "type": "number",
        "default": 7
      },
      "energyEscalationPercent": {
        "type": "number",
        "default": 2.5
      }
    }
  },
  "example_inputs": {
    "realPowerKw": 1000,
    "existingPfPercent": 80,
    "targetPfPercent": 95,
    "kvaCharge": 4,
    "billedMonths": 12,
    "installedCost": "",
    "incentiveAmount": 0,
    "annualMaintenanceSavings": 0,
    "projectLife": 15,
    "discountRatePercent": 7,
    "energyEscalationPercent": 2.5
  },
  "source_url": "https://www.energy.gov/cmei/ito/measur",
  "formulas": [
    "Required kVAR = kW × [tan(acos existing PF) − tan(acos target PF)].",
    "Billing value uses the reduction in kVA only when the tariff charges for it."
  ],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}