UK Carbon Intensity
Official carbon intensity data for Great Britain's electricity grid.
Read docs Updated 2026-06-18
What is UK Carbon Intensity?
The UK Carbon Intensity API provides official data on the carbon intensity of electricity generation across Great Britain.
It is intended for use by developers building energy and environmental applications as well as researchers and grid analysts.
What you can build with UK Carbon Intensity
Real-time energy apps
Build dashboards or mobile apps that show live carbon intensity so users can shift electricity use to lower-emission periods.
Smart-home automation
Trigger appliances or EV chargers only when regional carbon intensity drops below a chosen threshold.
Sustainability reporting
Pull historical intensity data to generate CO2-impact reports for buildings, campuses or supply chains.
Get started with UK Carbon Intensity
- 1Visit the official National Grid Carbon Intensity documentation site
- 2Browse the listed endpoints for current, regional and forecast data
- 3Make simple HTTPS GET requests (no key needed)
- 4Parse the JSON responses in your code
- 5Cache results and respect any published rate limits
UK Carbon Intensity: pros & cons
Pros
- +No authentication or key required
- +Official National Grid source data
- +HTTPS only, secure by default
- +Includes both live and forecast values
Cons
- –Covers Great Britain only
- –No authentication can make abuse harder to police
- –Regional granularity varies
Did you find this helpful?
Frequently asked questions
The official National Grid API that returns the carbon intensity of electricity generation across Great Britain.
User reviews
Verified reviews from the community shape this listing's rating.
Loading reviews…
Similar APIs
Other geo & weather options worth comparing.