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ESO content (16)
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.
Charging
On this page you can see a historic data related to the operating margin (OPMR).New forecast volume of reserve, forecast volume of frequency response required, annual weighting factors for STOR…
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…
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.
Charging
All users of the electricity transmission system pay to use it. This brief overview looks at who pays, for what, and how the charges are calculated.All users of Great Britain’s electricity network…
Charging
Connection Charges recover the cost of installing and maintaining connection assets which connect individual users to the GB Transmission Network.Who does this charge apply to?✓ Generators✕…
Charging
AAHEDC recovers costs for The North of Scotland which is currently the only area specified to receive assistance.Who does this charge apply to?We recover the assistance amount through a charge on…