Skip to content
PowerOutageTracker
Menu

Wales Power Cuts

As of 3 Nov, 16:17 GMT, National Grid Electricity Distribution reported 0 customers affected by unplanned power cuts in Wales. SP Energy Networks doesn't share live data, so check its map too.

National Grid Electricity Distribution serves south and west Wales, about three-quarters of residents, while SP Energy Networks' Manweb area covers North Wales, including Flintshire, Wrexham and Gwynedd. Pembroke gas station (2,325 MW) and Dinorwig pumped storage (1,800 MW) are the largest listed plants. Storm Darragh in December 2024 brought a red wind warning to west Wales, gusts of 93 mph at Capel Curig, and a major incident declared across Carmarthenshire, Ceredigion, Pembrokeshire and Powys.

Customers affected
0
0 open incidents
Network operators
2
About 1,434,417 customers in this area
Weather warnings
0
Met Office
Major past events
4
Storm Darragh

Who to contact in Wales

The network operators responsible for faults in Wales. 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
National Grid Electricity DistributionOpen ↗105 or 0800 6783 105
SP Energy NetworksOpen ↗105 or 0800 092 9290

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

Wales 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 outWalesScotland: 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 Wales

  • Cardiff
  • Swansea
  • Newport
  • Wrexham
  • Bangor

Nearby nations and regions

Reliability in Wales

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

Network operatorTime without powerInterruptionsYear
National Grid Electricity Distribution33 min0.442025
SP Energy Networks30 min0.302025

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 Wales

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

  1. Storm Darragh

    6 December 2024

    2,300,000 customers affected

    Wales was among the worst hit, and Dyfed-Powys Police declared a major incident.

    Source: Met Office, Storm Darragh, 6 to 7 December 2024 (case study PDF)

  2. Storm Eunice

    18 February 2022

    1,700,000 customers affected

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

  3. 9 August 2019 power outage

    9 August 2019

    1,150,000 customers affected

    Source: Ofgem, 9 August 2019 power outage report

  4. Storm Eowyn

    24 January 2025

    633,000 customers affected

    Source: NIE Networks, Storm Eowyn update (3 February 2025)

Wales power cut news

Wales power cut FAQ

Who do I contact about a power cut in Wales?

National Grid Electricity Distribution (105 or 0800 6783 105) and SP Energy Networks (105 or 0800 092 9290) repair the local network in Wales, which includes Cardiff, Swansea and Newport.

Is there a power cut in Wales right now?

As of 3 Nov, 16:17 GMT, National Grid Electricity Distribution reported 0 customers affected by unplanned power cuts in Wales. SP Energy Networks doesn't share live data, so check its map too. Counts are placed by postcode area, so they are approximate near nation or region boundaries.

What was the biggest power cut in Wales?

Storm Darragh (6 December 2024) affected about 2,300,000 customers across the affected areas. Wales was among the worst hit, and Dyfed-Powys Police declared a major incident.

How reliable is the power supply in Wales?

National Grid Electricity Distribution reported 33 min of interruption per customer in 2025, and SP Energy Networks reported 30 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. "Wales Power Cuts." Accessed 3 November 2026. https://poweroutagetracker.com/world/united-kingdom/wales
Sources (5)