{
  "provider": {
    "name": "CalculateEnergySavings.com",
    "source_url": "https://calculateenergysavings.com/",
    "terms_url": "https://calculateenergysavings.com/api-terms/",
    "terms_version": "2026-08-25"
  },
  "id": "lease-vs-buy",
  "name": "Lease vs. Buy Comparison",
  "description": "Compare present-value ownership cost with an operating lease payment stream.",
  "status": "published",
  "callable": true,
  "version": "1.0.0",
  "url": "https://calculateenergysavings.com/calculators/lease-vs-buy/",
  "methodology_url": "https://calculateenergysavings.com/calculators/lease-vs-buy/#methodology",
  "api_url": "https://calculateenergysavings.com/api/v1/calculators/lease-vs-buy",
  "calculate_url": "https://calculateenergysavings.com/api/v1/calculators/lease-vs-buy/calculate",
  "input_schema": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "purchaseCost": {
        "type": "number",
        "default": 100000,
        "title": "Purchase cost",
        "x-unit": "$"
      },
      "incentiveAmount": {
        "type": "number",
        "default": 0,
        "title": "Purchase incentive",
        "x-unit": "$"
      },
      "annualOwnershipCost": {
        "type": "number",
        "default": 3000,
        "title": "Annual ownership cost",
        "x-unit": "$/year"
      },
      "residualValue": {
        "type": "number",
        "default": 10000,
        "title": "End-of-term residual value",
        "x-unit": "$"
      },
      "leasePaymentAnnual": {
        "type": "number",
        "default": 15000,
        "title": "First-year lease payment",
        "x-unit": "$/year"
      },
      "leaseTermYears": {
        "type": "number",
        "default": 10,
        "title": "Lease/analysis term",
        "x-unit": "years"
      },
      "leaseEscalationPercent": {
        "type": "number",
        "default": 2,
        "title": "Lease escalation",
        "x-unit": "%/year"
      },
      "discountRatePercent": {
        "type": "number",
        "default": 7,
        "title": "Discount rate",
        "x-unit": "%"
      }
    }
  },
  "example_inputs": {
    "purchaseCost": 100000,
    "incentiveAmount": 0,
    "annualOwnershipCost": 3000,
    "residualValue": 10000,
    "leasePaymentAnnual": 15000,
    "leaseTermYears": 10,
    "leaseEscalationPercent": 2,
    "discountRatePercent": 7
  },
  "source_url": "https://betterbuildingssolutioncenter.energy.gov/financing-navigator",
  "formulas": [
    "Buy cost includes net first cost, annual ownership costs, and residual value.",
    "Lease cost discounts escalating annual payments over the same term."
  ],
  "disclaimer": "Screening estimate only. Verify measurements, assumptions, tariffs, equipment constraints, and applicable requirements before making a project or purchasing decision."
}