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Our strategy
On this page, you can download and use our data finder to quickly and easily locate the data you're looking for. You can also explore data on this page relating to the commercial operation of…
Balancing services
Mandatory frequency response (MFR) is an automatic change in active power output in response to a frequency change. The service helps us to keep frequency within statutory and operational limits.…
Balancing services
Demand side response (DSR) is all about intelligent energy use. Through DSR services, businesses and consumers can turn up, turn down, or shift demand in real-time.
Codes
You can raise a modification – or mod – when you want to propose a change to any part of the CUSC.For more information, please contact [email protected] for any current or…
Codes
The Grid Code details the technical requirements for connecting to and using the National Electricity Transmission System (NETS). Compliance with the Grid Code is one of the requirements of the…
Our strategy
Wherever you are in your career, the ESO is a great place to work. You’ll be part of an organisation with a clear purpose, an inclusive and collaborative culture and you’ll have access to industry…
Electricity Explained
The way electricity is generated is changing as we head towards a greener future.But it’s important to have different fuel sources and technologies to generate electricity to ensure a…
Balancing services
Firm Frequency Response (FFR) is our traditional frequency response suite used for balancing grid frequency in real time. Static FFR will continue to be actively procured until replaced with a…
Codes
The Connection and Use of System Code is the contractual framework for connecting to and using the National Electricity Transmission System (NETS).As the code administrator for the CUSC, we maintain…