Who supplies the CA postcode area?
Electricity distributor, gas network and water wholesaler for CA — the fixed infrastructure companies for this postcode area, and how they differ from the supplier on your bill.
Electricity distributor
The CA postcode area is served by Electricity North West (North Western England), MPAN distributor ID 16. This is the company that owns the wires and substations here and responds to power cuts — call 105, free, from any phone. It is not who you pay for electricity.The CA (Carlisle) postcode area is served by Electricity North West for power, but by Northern Gas Networks' "Northern Cumbria" licence for gas — the electricity and gas boundaries do not line up here.
Gas network
CA is served by Northern Gas Networks (North East England, Yorkshire & Northern Cumbria). If you smell gas, leave the property and call 0800 111 999, the National Gas Emergency Service, free and staffed 24 hours a day, the same number regardless of which network covers your address.
Water wholesaler
United Utilities is the water and wastewater wholesaler for CA. Household customers cannot switch wholesaler; non-household (business) customers can switch retailer under the Open Water market while United Utilities remains the fixed network operator underneath. Leak line: 0345 672 2999. Emergency: 0345 672 3723.
Price cap for North Western England, 1 October – 31 December 2026
CA falls in Ofgem's North Western England price-cap region. The Direct Debit single-rate cap here:
| Fuel | Unit rate | Standing charge |
|---|---|---|
| Electricity | 26.49p/kWh | 45.68p/day |
| Gas | 7.86p/kWh | 29.81p/day |
Great Britain average electricity unit rate for comparison: 26.32p/kWh. On Ofgem's typical consumption values (2,500 kWh), that is roughly £829/year for electricity alone. Full payment-method breakdown on the energy price cap page.
Distributor is not supplier
Everything above is your fixed network infrastructure — it cannot be switched and has no billing relationship with you. Your energy supplier is the separate, competitive company you actually pay, and you can switch it at any time using Ofgem's find my supplier guidance if you've lost track of who that is. On the gas side, registrations are held centrally by the Meter Point Administration Service — your supplier can look this up for you using your MPRN.
- Electricity North West — the MPAN distributor ID is 16. The CA (Carlisle) postcode area is served by Electricity North West for power, but by Northern Gas Networks' "Northern Cumbria" licence for gas — the electricity and gas boundaries do not line up here.
Send us one bill. We'll send back every overcharge — and the cheapest legitimate replacement.
Whether you run a Mayfair restaurant group or rent a flat in Salford, the audit is the same and the fee is the same: nothing, unless we save you money.