We are a separate company

On 1 April the Electricity System Operator became a legally separate company within the National Grid Group. Find out more about what this change means.
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Electricity System Operator

As the Electricity System Operator (ESO) in Great Britain, we balance electricity supply and demand in real time.
Future of the ESOWhole electricity systemPublications

Balancing data

GB Electricity System Operator Daily Reports

Summer Outlook 2019

Balancing services

TNUoS charges

BSUoS charges

Energy security

Innovation … our current System Operator ambition

In this article – where we are publishing our thinking in a number of areas, across both electricity and gas, out to 2030 – we focus on our System Operator Innovation Strategy.

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Top articles

  1. Our Forward Plan to 2021
  2. Our ambition – RIIO-2
  3. Towards 2030 – a System Operator for GB’s energy future
  4. Zero carbon operation of Great Britain’s electricity system…
  5. ESO submits RIIO-2 Sector Specific Methodology consultation…

Power cuts

Call 105 if there is a power cut. Don't call your electricity supplier.

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Domestic connections and homeowners

We do not connect directly to homes or other domestic properties. Find out who to contact with questions about your meter, energy supplier, or bill.

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