{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "motor-vfd",
  "name": "Motor & VFD Savings Calculator",
  "description": "Estimate motor energy use, VFD savings, annual cost savings, payback, NPV, and IRR using editable load, runtime, efficiency, and project-cost inputs.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/motor-vfd/",
  "methodology_url": "https://calculateenergysavings.com/calculators/motor-vfd/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/motor-vfd",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/motor-vfd/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "horsepower": {
        "type": "number",
        "default": 50
      },
      "efficiencyPercent": {
        "type": "number",
        "default": 92
      },
      "loadProfile": {
        "type": "string",
        "default": "variable-torque"
      },
      "controlMethod": {
        "type": "string",
        "default": "throttling"
      },
      "averageLoadPercent": {
        "type": "number",
        "default": 65
      },
      "operatingHours": {
        "type": "number",
        "default": 4000
      },
      "electricityRate": {
        "type": "number",
        "default": 0.12
      },
      "vfdEfficiencyPercent": {
        "type": "number",
        "default": 97
      },
      "minimumSpeedPercent": {
        "type": "number",
        "default": 30
      },
      "installedCost": {
        "type": "number"
      },
      "annualMaintenanceSavings": {
        "type": "number",
        "default": 0
      },
      "incentiveAmount": {
        "type": "number",
        "default": 0
      },
      "projectLife": {
        "type": "number",
        "default": 15
      },
      "discountRatePercent": {
        "type": "number",
        "default": 7
      },
      "energyEscalationPercent": {
        "type": "number",
        "default": 2.5
      },
      "financingType": {
        "type": "string",
        "default": "cash"
      },
      "financingRatePercent": {
        "type": "number",
        "default": 6.5
      },
      "financingTermYears": {
        "type": "number",
        "default": 5
      }
    }
  },
  "example_inputs": {
    "horsepower": 50,
    "efficiencyPercent": 92,
    "loadProfile": "variable-torque",
    "controlMethod": "throttling",
    "averageLoadPercent": 65,
    "operatingHours": 4000,
    "electricityRate": 0.12,
    "vfdEfficiencyPercent": 97,
    "minimumSpeedPercent": 30,
    "installedCost": "",
    "annualMaintenanceSavings": 0,
    "incentiveAmount": 0,
    "projectLife": 15,
    "discountRatePercent": 7,
    "energyEscalationPercent": 2.5,
    "financingType": "cash",
    "financingRatePercent": 6.5,
    "financingTermYears": 5
  },
  "source_url": null,
  "formulas": [],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}