Calculator
Wales Electricity Bill Calculator
Enter your kWh and get an estimated bill based on the price cap unit rate and standing charge in Wales.
Wales average electricity rate
27.2p / kWh
| Network operator | Unit rate | Standing charge | 250 kWh / month |
|---|---|---|---|
| NGED West Midlands | 25.6p | 57.23 p/day | £81 |
| SP Manweb | 27.9p | 67.66 p/day | £90 |
| NGED South Wales | 26.6p | 55.41 p/day | £83 |
Source: Ofgem price cap (Ofgem price cap, 1 Oct – 31 Dec 2026), direct debit, VAT 0% on electricity to 31 Mar 2027. Check your supplier’s current tariff for exact prices.
How it is calculated
Bill ≈ kWh used × your unit rate (p/kWh) + the daily standing charge × days in the month. The Ofgem price cap sets the maximum unit rate and standing charge for standard variable tariffs in each region; fixed and time-of-use tariffs (such as Economy 7 or EV tariffs) will differ.
Results are estimates for planning, not bills or professional advice. For generator hookups use a changeover switch installed by a qualified electrician.
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