$id: "https://schema.beckn.io/EnergyResource/v0.3"
$schema: "https://json-schema.org/draft/2020-12/schema"
title: EnergyResource
description: >
  Item attributes for energy resources. Attached to Item.itemAttributes to provide
  energy-specific characteristics including source type and meter identifiers.

  This is the v0.3 schema, originally defined as a component in EnergyTrade/v0.3/attributes.yaml.
x-tags:
  - energy-trade
  - p2p-trading
  - item
  - energy-resource
type: object
additionalProperties: false
x-jsonld:
  "@context": ./context.jsonld
  "@type": EnergyResource
properties:

  sourceType:
    type: string
    enum: [SOLAR, BATTERY, GRID, HYBRID, RENEWABLE]
    description: Type of energy source. Source verification occurs at onboarding but can change post-onboarding (e.g., switching from solar to diesel). Source type influences price but not workflow.
    example: "SOLAR"
    x-jsonld:
      "@id": sourceType

  meterId:
    type: string
    description: Source meter identifier in DER address format (der://meter/{id}). Used for discovery and fulfillment tracking.
    example: "der://meter/100200300"
    x-jsonld:
      "@id": meterId