Three firms — one per island. Guernsey Electricity (1907, States-owned) is the sole licensed supplier, importing 94% via subsea cable from France to ~29,763 customers. Sark Electricity (1947, private) covers Sark, unit price capped at 52p from October 2025. Alderney Renewable Energy (2004) develops tidal generation and the FAB Link interconnector. —
Vale
✦119-year heritage (1907)
Guernsey's sole licensed, States-owned electricity supplier, dating to 1898 when the original concession was granted, incorporated in its current form in 1907; imports ~94% of power from France and provides contracting, plumbing, and heating services.
Alderney·Est. 2004
Alderney-based privately owned limited company established in 2004, specialising in tidal energy development and subsea interconnector projects like the FAB Link.
Sark
✦Active since 1947
The sole electricity provider on Sark, generating and distributing power to homes and businesses since 1947, with a unit price capped at 52p from 1 October 2025.