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UK Carbon Intensity API

Environment & Climate No key

AuthenticationNo key
Rate limitNo key required; no published hard limit. Keep usage reasonable

Documentation: api.carbonintensity.org.uk ยท Checked Sep 13, 2026

About

Live and forecast carbon intensity of the Great Britain electricity grid. How much CO2 each unit of power produces. Plus the generation mix behind it. Free with no key, run by the National Energy System Operator.

Details

No key needed. You can call it right away.

Auth: No key

Rate limit: No key required; no published hard limit. Keep usage reasonable

Verified: 2026-09-13

Best for: energy apps climate dashboards smart charging

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Setup

  1. No setup. Call the endpoints directly
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