UK Carbon Intensity API

Environment · Operational · 30d uptime 100%

National Energy System Operator have developed a Regional Carbon Intensity forecast for the GB electricity system.

Trust signals

Pricing

FREE

Auth

NONE

CORS

Yes

Rate limit

Free to use. No authentication required.

Health

201ms

Trust score

97 (A)

Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Excellent production-readiness signals.

Links

Homepagecarbonintensity.org.uk
Documentationcarbon-intensity.github.io/api-definitions
Base URLcarbon-intensity.github.io/api-definitions/#carbon-intensity-api-v1-0-0

Integration checklist

Auth is NONE
CORS enabled — callable directly from browsers.
Rate limit: Free to use. No authentication required.

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