If you're experiencing a power cut or outage, please call 105 to report it or get more information. This free service is available 24/7 and is provided by UK Power Networks, which is responsible for managing the power network in London, East Anglia & South East England.

Newington House
237 Southwark Bridge Road
London
SE1 6NP
UK Power Networks is the electricity distribution network operator for London, the South East, and East of England. They manage three licensed distribution networks: London Power Networks, South Eastern Power Networks, and Eastern Power Networks, covering an area of approximately 30,000 square kilometers and serving over 8 million customers. Their responsibilities include maintaining and operating the electricity network, ensuring a reliable supply, and supporting the transition to a low-carbon energy future.
If you experience a power cut, here are the steps to follow:
In London, East Anglia & South East England, power cuts may occur due to emergency situations such as extreme weather, accidental damage to the grid, or necessary maintenance. UK Power Networks works to restore power as quickly as possible, but in some cases, planned outages may be required for maintenance or infrastructure upgrades.
For more details on power cuts in your area, visit the Emergency Power Cuts page.
The London, East Anglia, and South East England regions encompass a diverse landscape, including urban areas, rural communities, and coastal zones. This diversity presents unique challenges for electricity distribution:
Urban Infrastructure: In densely populated areas like London, the complexity of underground cabling and high-rise buildings can complicate maintenance and repairs during power outages.
Coastal Vulnerabilities: Coastal areas in East Anglia are susceptible to flooding, which can damage underground cables and substations, leading to prolonged outages.
Rural Accessibility: Rural communities may experience delayed restoration times due to the remoteness of infrastructure and challenging terrain.
These factors necessitate tailored strategies for effective power distribution and outage management.
The region has experienced several significant power outages due to severe weather events:
Storm Eunice (February 2022): This storm caused widespread disruption, leaving approximately 1.4 million homes without power across the region. The storm brought heavy rain, strong winds, and widespread flooding, leading to significant damage to the electricity network.
Storm Dennis (February 2020): Similar to Storm Eunice, Storm Dennis brought heavy rainfall and strong winds, resulting in power outages affecting thousands of homes and businesses.
These events highlight the vulnerability of the region’s electricity infrastructure to extreme weather conditions.
UK Power Networks offers a Priority Services Register (PSR) to assist vulnerable customers during power outages. This free service provides additional support, such as advance notice of planned power cuts and assistance during emergencies.
Eligibility includes individuals who:
To register:
Online: Visit the Priority Services Register page
Phone: Call 0800 169 9970
UK Power Networks collaborates with local charities to ensure vulnerable customers receive the support they need during power cuts.
UK Power Networks is actively involved in several initiatives to enhance the resilience and sustainability of the electricity network in the region:
Community Energy Projects: The company supports community-led energy initiatives, providing guidance and data to facilitate local authorities’ low-carbon plans.
Local Net Zero Hub: UK Power Networks has established a platform to assist local authorities in planning for net-zero emissions by 2050, offering support, planning, guidance, and data sharing.
Smart Grid Technologies: The company is investing in smart grid technologies to improve the efficiency and reliability of the electricity network, enabling better integration of renewable energy sources.
These initiatives demonstrate UK Power Networks’ commitment to supporting the transition to a low-carbon energy future in London, East Anglia, and South East England.
Solent Power Ltd (Company Number 12622565) is a company registered in England and Wales. Our registered office is located at Station yard, Bowes Hill, Rowlands Castle PO9 6BP. VAT No. 363504018