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 NIE Networks, which is responsible for managing the power network in Norther Ireland.

120 Malone Road,
Belfast
BT9 5HT
NIE Networks is the electricity transmission and distribution network operator for Northern Ireland, responsible for transporting electricity to over 910,000 customers, including homes, businesses, and farms. Established in 1993 as a privatized entity, it became a subsidiary of the Electricity Supply Board (ESB) Group in 2010. The company owns and maintains approximately 30,000 miles (49,000 kilometers) of overhead lines and underground cables, 75,000 pole-mounted transformers, and 340 major substations.
NIE Networks does not generate or supply electricity; instead, it focuses on the operation, maintenance, and development of the electricity network. It plays a crucial role in facilitating the transition to a low-carbon energy future by integrating renewable energy sources and enhancing grid resilience.
If you experience a power cut, here are the steps to follow:
In Norther Ireland, power cuts may occur due to emergency situations such as extreme weather, accidental damage to the grid, or necessary maintenance. NIE 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.
Northern Ireland’s power distribution network faces unique challenges due to its diverse geography and frequent weather disruptions. Coastal areas are vulnerable to saltwater corrosion, which affects infrastructure, while rural regions may experience longer power restoration times due to their remoteness. The climate is another factor, as storms and heavy rainfall frequently lead to power outages, with fallen trees and flood damage often causing delays in repairs. Additionally, the region’s ageing infrastructure requires ongoing upgrades to maintain reliability, and its interconnectedness with the Republic of Ireland through the Moyle Interconnector adds another layer of complexity when cross-border issues arise.
Northern Ireland has experienced several significant power cuts due to severe weather events. For example, Storm Barra in December 2021 left over 100,000 homes without power, with heavy winds and flooding causing widespread damage. Similarly, Storm Ophelia in 2017 also affected large parts of Northern Ireland, leading to power outages for thousands of homes and businesses. These events highlight the region’s vulnerability to extreme weather and the ongoing need for resilient infrastructure.
NIE Networks offers a Priority Services Register to assist vulnerable customers during power outages. This service provides additional support, such as priority restoration during power cuts and advance notice of planned outages. Eligibility includes individuals who rely on medical equipment, the elderly, and those with young children.
Customers can register online or by calling 03457 643 643.
For more information, visit the NIE Networks Vulnerable Customers page.
Northern Ireland is witnessing a surge in community-led energy projects aimed at enhancing sustainability and reducing carbon footprints. Initiatives like the Sustainable Energy Communities (SEC) programme empower local communities to take control of their energy futures, promoting sustainable and low-carbon energy solutions. Additionally, the EnergyCloud NI project collaborates with the Northern Ireland Housing Executive to utilize surplus renewable energy for heating homes, thereby tackling fuel poverty. These projects not only contribute to environmental goals but also foster community engagement and resilience.
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