A row of exposed lightbulbs with an orange wall in the background

Electricity System Operator

As the Electricity System Operator (ESO) in Great Britain, we balance electricity supply and demand in real time.
A yellow box that features the Power Cut phone number

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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