openapi: 3.0.3
info:
  title: NREL Developer Network APIs Alt Fuel Stations Pvwatts API
  description: Selected endpoints from the National Renewable Energy Laboratory (NREL) developer network covering alternative fuel stations, solar resource and PV modeling, and utility electricity rate lookups. All endpoints require a developer API key.
  version: 1.0.0
  contact:
    name: NREL Developer Network
    url: https://developer.nrel.gov/
servers:
- url: https://developer.nrel.gov/api
  description: Production
security:
- apiKeyQuery: []
tags:
- name: Pvwatts
paths:
  /pvwatts/v8.json:
    get:
      summary: PVWatts solar PV system production estimate
      description: Estimate the energy production of grid-connected photovoltaic systems for any location.
      parameters:
      - name: system_capacity
        in: query
        required: true
        schema:
          type: number
        description: System size in kW DC.
      - name: module_type
        in: query
        required: true
        schema:
          type: integer
          enum:
          - 0
          - 1
          - 2
      - name: losses
        in: query
        required: true
        schema:
          type: number
      - name: array_type
        in: query
        required: true
        schema:
          type: integer
          enum:
          - 0
          - 1
          - 2
          - 3
          - 4
      - name: tilt
        in: query
        required: true
        schema:
          type: number
      - name: azimuth
        in: query
        required: true
        schema:
          type: number
      - name: address
        in: query
        schema:
          type: string
      - name: lat
        in: query
        schema:
          type: number
          format: float
      - name: lon
        in: query
        schema:
          type: number
          format: float
      - name: timeframe
        in: query
        schema:
          type: string
          enum:
          - monthly
          - hourly
      responses:
        '200':
          description: Modeled solar PV production output.
      tags:
      - Pvwatts
components:
  securitySchemes:
    apiKeyQuery:
      type: apiKey
      in: query
      name: api_key