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POWER / UK PRACTICAL GUIDE / REVIEWED 30 OCT 2026

DOES BROADBAND WORK IN A POWER CUT?

Home broadband normally depends on powered equipment in your property, including the router and often an optical-network terminal or modem. A digital landline may also stop unless suitable backup is available.

FREE / NEXT STEP

POWER DEPENDENCY CHECK

Identify which normal household functions depend on mains electricity before an outage forces you to discover them.

RUN THE FREE CHECK

WHAT TO DO WITH THIS

Write down essential numbers and information that currently exist only online. If phone service is important for vulnerability or care needs, ask the provider what backup support applies to your service.

LIMITS / SAFETY

Ofcom advises that digital landlines need mains power and providers must take steps to support customers who depend on their landline, including vulnerable users.

COMPLETE THE DECISION

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SOURCES / CURRENT UK GUIDANCEhttps://beready.campaign.gov.uk/be-informed-about-hazards/power-cuts/https://www.ofcom.org.uk/phones-and-broadband/landline-phones/future-of-landline-calls