Skip to content
PowerOutageTracker
Menu

South East Power Cuts

As of 3 Nov, 16:17 GMT, UK Power Networks, National Grid Electricity Distribution and SSEN reported 267 customers affected by unplanned power cuts in South East.

The region is split almost evenly between SSEN's Southern licence, across Hampshire and Berkshire, and UK Power Networks' South Eastern licence, across Kent, Sussex and Surrey. National Grid Electricity Distribution serves the Milton Keynes area. Didcot B (1,490 MW) and Grain (1,404 MW) gas stations are the largest listed power stations. SSEN described Storm Eunice in February 2022 as the worst storm to hit its central southern area in over 30 years.

Customers affected
267
9 open incidents
Network operators
3
About 4,378,378 customers in this area
Weather warnings
0
Met Office
Major past events
3
Storm Eunice

Who to contact in South East

The network operators responsible for faults in South East. Search your address on an official power cut map to confirm which one is yours.

United Kingdom network operators, power cut map links and phone numbers
Network operatorOfficial power cut mapReport by phone
UK Power NetworksOpen ↗105 or 0800 31 63 105
National Grid Electricity DistributionOpen ↗105 or 0800 6783 105
SSENOpen ↗105

If you see a fallen power line, stay at least 10 metres away and call 999.

Current power cuts in South East

Largest open unplanned incidents, as of 3 Nov, 16:17 GMT

AreaOperatorCustomers
OX49 5ANSSEN205
TN27 9UK Power Networks21
OX3 9QPSSEN15
RG12 7HASSEN9
RH13 8UK Power Networks8
ME8 0UK Power Networks5
MK44 2UK Power Networks2

Live data: UK Power Networks open data, CC BY 4.0 · Supported by Northern Powergrid Open Data · SSEN open data, CC BY 4.0 · Supported by NGED Open Data

South East on the United Kingdom map

North East: 424 customers outNorth West: limited dataYorkshire and the Humber: 1,193 customers outEast Midlands: 2 customers outWest Midlands: 154 customers outEast of England: 22 customers outLondon: 46 customers outSouth East: 267 customers outSouth West: 716 customers outWales: limited dataScotland: 84 customers outNorthern Ireland: limited dataNorth EastNorth WestEast MidlandsWest MidlandsEast of EnglandLondonSouth EastSouth WestWalesScotlandNorthern Ireland
United Kingdom has 12 nations and regions, shown over a 800 by 900 map.

Boundaries: Office for National Statistics, licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2025.

Weather warnings

Met Office lists no active warnings for this area.

Source: Met Office

Largest places in South East

  • Milton Keynes
  • Medway
  • Brighton and Hove
  • Southampton
  • Portsmouth
  • Reading

Nearby nations and regions

Reliability in South East

Average minutes without power and interruptions per customer, as published by the regulator or operator

Network operatorTime without powerInterruptionsYear
UK Power Networks26 min0.342025
National Grid Electricity Distribution33 min0.442025
SSEN55 min0.452025

Definitions vary by source, for example in how major storms are treated, so these figures aren't a ranking. See each operator's page for the exact scope.

Major power cuts affecting South East

Totals may cover every area affected, not only this one. Full accounts are on the United Kingdom page.

  1. Storm Eunice

    18 February 2022

    1,700,000 customers affected

    Source: DESNZ/BEIS, Energy Emergencies Executive Committee: Storm Arwen Review, final report (June 2022)

  2. South London blackout

    28 August 2003

    476,000 customers affected

    Source: Ofgem/PB Power, Report on support to investigations into the recent blackouts in London and West Midlands, Volume 1 (2004)

  3. Great Storm of 1987

    15 October 1987

    Source: Met Office, The Great Storm of 1987

South East power cut news

South East power cut FAQ

Who do I contact about a power cut in South East?

UK Power Networks (105 or 0800 31 63 105), National Grid Electricity Distribution (105 or 0800 6783 105) and SSEN (105) repair the local network in South East, which includes Milton Keynes, Medway and Brighton and Hove.

Is there a power cut in South East right now?

As of 3 Nov, 16:17 GMT, UK Power Networks, National Grid Electricity Distribution and SSEN reported 267 customers affected by unplanned power cuts in South East. Counts are placed by postcode area, so they are approximate near nation or region boundaries.

What was the biggest power cut in South East?

Storm Eunice (18 February 2022) affected about 1,700,000 customers across the affected areas.

How reliable is the power supply in South East?

UK Power Networks reported 26 min of interruption per customer in 2025, and National Grid Electricity Distribution reported 33 min of interruption per customer in 2025, and SSEN reported 55 min of interruption per customer in 2025. Scope differs between sources, so treat these as a guide and not a ranking.

Cite this page

You may reuse our derived data under CC BY 4.0 with attribution. Live data is credited to each network operator's open-data licence below. Weather warnings are © Crown copyright, Met Office.

PowerOutageTracker.com. "South East Power Cuts." Accessed 3 November 2026. https://poweroutagetracker.com/world/united-kingdom/south-east
Sources (5)