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Download our datasets

Need our data for reporting, forecasting or research? 

We move electricity safely, reliably and efficiently around Great Britain, all whilst creating a sustainable electricity system for the future. 

As the authority on energy data, we are committed to communicating our work and making our data accessible – whether that’s the latest generation mix or FFR report. 

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Daily ESO report

See our daily report to see our demand and generation in MW as well as a daily wind, solar and STOR forecast. 

Download the report

Firm frequency response data (FFR)

Look up FFR post-tender reports and FFR market data.

Download our data

BSUOS

Download our BSUOS forecast data and actuals data.

Download our data
National Grid ESO - Electricity Explained Report - woman with phone

Great Britain’s Electricity Explained Report

Every month, we share a snapshot of Great Britain’s electricity generation and use.

Find out about the month’s electricity generation and how much came from sources such as wind, solar and biomass.

You can also see the carbon intensity of the electricity we used. 

Download the Electricity Explained report

National Grid ESO - data portal

Need more data?

We are moving all our data to our National Grid ESO Data Portal.

You can find System Frequency data, Thermal Constraint Costs, and Firm Fast Reserve Post Tender Reports at our one-stop shop. 

Got feedback?

We'd love to hear it - drop us an email.

Visit the Data Portal

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