Historic generation mix and carbon intensity
Summary
NESO has released a historical dataset showing the carbon intensity of GB electricity generation (CO2 emissions per kWh) from January 2009 onwards. The data includes seasonal adjustments to correct for missing or irregular data points and is subject to ongoing data cleansing processes.
Why it matters
This data provides essential baseline metrics for tracking decarbonisation progress and supporting policy development, market analysis, and investment decisions in the transition to net zero electricity generation.
Key facts
- •Dataset covers period from 1 January 2009
- •Measures carbon dioxide emissions per kilowatt hour
- •Uses seasonal decomposition for data correction
- •Data subject to ongoing cleansing process
Areas affected
Related programmes
Publisher description
The carbon intensity of electricity measures how much carbon dioxide emissions are produced per kilowatt hour.<br> This dataset contains data from 1 January 2009. It has seasonal decomposition applied to correct missing or irregular data points. The data is subject to change due to a data cleansing process taking place to provide the most accurate figures.<br>
Full extracted text
The carbon intensity of electricity measures how much carbon dioxide emissions are produced per kilowatt hour.<br> This dataset contains data from 1 January 2009. It has seasonal decomposition applied to correct missing or irregular data points. The data is subject to change due to a data cleansing process taking place to provide the most accurate figures.<br>