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ESO content (782)
Balancing services
At certain times of the day, we need access to sources of extra power in the form of either increased generation or demand reduction. This enables us to manage a greater than forecast…
Balancing services
This page holds historic frequency data for Great Britain at a 1 second resolution. N.B. 2019 data was updated on 14/2/2020 to correct for errors.
Data for 2020 onwards will be published on the…
Balancing services
Find out about the different types of existing frequency response services and how to get involved.
Balancing services
SO to SO services are provided mutually with other transmission system operators connected to Britain's transmission system via interconnectors.
Balancing services
We will approach potential service providers directly if a specific requirement is identified. Intertrip services are required as an automatic control arrangement where generation may be reduced or…
Balancing services
We use several techniques and services to help maintain the security and quality of electricity supply across Britain's transmission system. Here you can find out about system security…
Balancing services
National Grid ESO is focused on enabling all potential providers to access our markets.
On this page, you’ll find helpful documents to help you understand the end to end experience if you’re…
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Balancing services
Response Procurement Rules (QR changes)
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Balancing services
Response Procurement Rules (QR changes) - Compare