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ESO content (12)
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
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
SO to SO services are provided mutually with other transmission system operators connected to Britain's transmission system via interconnectors.
Balancing services
As part of the rationalisation of balancing services, we are no longer actively procuring the Max Gen service. Contracts currently in place with stations, will continue until station closure of if…
Data Portal
Below is the National Grid ESO Open Data Licence v1.0. Please note, that each dataset on the ESO data portal is licenced on an individual basis and that this licence only applies to the…
Data Portal
IntroductionThis page provides further details on the Data Portal’s application programming interface (API), for users who wish to write code to access information…
Data Portal
ESO Data Portal TransitionWe introduced the ESO Open Data Portal as part of the RIIO-2 business plan. Our aims were to: Deliver a foundational open data portal Make ESO datasets available…
Balancing services
Constraint management is required where the electricity transmission system is unable to transmit power to the location of demand, due to congestion at one or more parts of the transmission network…
Balancing services
Restoration (formerly known as Black Start) is the process used to restore power in the event of a total or partial shutdown of the national electricity transmission system.