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ESO content (1303)
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
Reactive power services are how we make sure voltage levels on the system remain within a given range, above or below nominal voltage levels. We instruct generators or other asset owners to either…
Balancing services
The Obligatory Reactive Power Service (ORPS) is the provision of varying reactive power output. At any given output generators may be requested to produce or absorb reactive power to help manage…
Codes
You can raise a modification – or mod – when you want to propose a change to any part of the STC. For more information, please contact [email protected] for any current or…
Codes
The System Operator Transmission Owner Code defines the relationship between the transmission system owners and the system operator.As the code administrator for the STC, we maintain the code and…
Balancing services
At National Grid ESO, we have robust processes in place to monitor balancing services performance and hold balancing providers to account against contractual delivery commitments.Starting from…
Balancing services
Having launched our new Dynamic Response Services, Dynamic Containment (DC), Dynamic Moderation (DM) and Dynamic Regulation (DR), we are aiming to lift the volume caps on DM and DR to allow our…
Balancing services
Super SEL is utilised to directly decrease the sum of the minimum MW level or Stable Export Limit (SEL) of generators synchronized to the system by lowering the minimum generating level at a…
Balancing services
Please note: We are no longer actively procuring this service. The information provided on this page is for existing providers of BM start up services.
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…