Carbon Intensity API

aid: carbon-intensity
url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/apis.yml
name: Carbon Intensity API
description: The Carbon Intensity API is the official carbon intensity forecasting service for Great Britain, developed by
  the National Energy System Operator (NESO) in partnership with EDF, the University of Oxford, and WWF. It provides real-time,
  forecast, and historical carbon intensity data alongside generation mix information for GB electricity, with 96+ hour forecasts
  and 30-minute temporal resolution across 14 regional DNO boundaries. The API is publicly accessible with no authentication
  required and is licensed under CC BY 4.0.
specificationVersion: '0.19'
created: '2026-06-13'
modified: '2026-06-13'
tags:
- Carbon Intensity
- Environment
- Energy
- Electricity
- Climate
- Great Britain
- National Grid
apis:
- aid: carbon-intensity:carbon-intensity-api
  name: Carbon Intensity API
  description: REST API providing real-time, forecast, and historical carbon intensity and fuel generation mix data for Great
    Britain electricity generation. Covers national and 14 regional datasets including England, Scotland, and Wales, with
    postcode-level queries and up to 48-hour forward forecasts.
  humanURL: https://carbonintensity.org.uk/
  baseURL: https://api.carbonintensity.org.uk
  tags:
  - Carbon Intensity
  - Environment
  - Energy
  - Electricity
  - Forecast
  - Generation Mix
  - Regional
  properties:
  - type: Documentation
    url: https://carbon-intensity.github.io/api-definitions/
  - type: OpenAPI
    url: https://carbon-intensity.github.io/api-definitions/
  - type: GitHubRepository
    url: https://github.com/carbon-intensity/api-definitions
  - type: TermsOfService
    url: https://github.com/carbon-intensity/terms
  - type: License
    url: https://creativecommons.org/licenses/by/4.0/
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/plans/carbon-intensity-plans.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/rate-limits/carbon-intensity-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/finops/carbon-intensity-finops.yml
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/openapi/carbon-intensity-openapi.yml
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/json-schema/intensity-period.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/json-schema/generation-mix.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/json-schema/regional-intensity.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/json-schema/intensity-factors.json
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/vocabulary/carbon-intensity-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/carbon-intensity/refs/heads/main/json-ld/carbon-intensity-context.jsonld
common:
- type: Website
  url: https://carbonintensity.org.uk/
- type: Documentation
  url: https://carbon-intensity.github.io/api-definitions/
- type: GitHubOrganization
  url: https://github.com/carbon-intensity
- type: TermsOfService
  url: https://github.com/carbon-intensity/terms
- type: License
  url: https://creativecommons.org/licenses/by/4.0/
- type: X
  url: https://x.com/carbonintensity
- type: LinkedIn
  url: https://www.linkedin.com/company/national-energy-system-operator
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com