What will your energy cost in South Wales?
South Wales’s wires are run by National Grid Electricity Distribution, and the cost of that local network is the main reason its price cap differs from the Great Britain average.
- Electricity, Direct Debit
- 26.55p/kWh0.23p above GB
- Standing charge
- 55.41p/day0.58p above GB
- Typical home, a year
- £1,744£21 above GB
Your yearly use
How you pay
A typical home uses 2,500 kWh.
A typical home uses 9,500 kWh. Set to 0 if you have no gas supply.
Set up My home and this starts from your numbers.
Carbon footprint
2.1 tonnes CO₂ a year
Shifting electricity use into cleaner half hours lowers this further. See when the grid is cleanest.
- Electricity at the 2025 GB average of 129 g/kWh; gas 183 g/kWh and heating oil 2.54 kg per litre (DESNZ 2025 factors).
Ways to save
For your use, at today's rates.
- Turn the thermostat down 1°Cabout 10% less heating gas£85
- Use 20% less hot watershorter showers, a cooler boiler£49
- Switch every bulb to LEDfrom a mix of older bulbs£53
- Add rooftop solar3 to 4 kWp, south‑facing, self‑used£398
Your estimated bill
In line with a typical home in South Wales paying by Direct Debit (£1,744), using 2,500 kWh of electricity and 9,500 kWh of gas.
- Electricity
- £866
- £664 use, £202 standing
- Gas
- £878
- £769 use, £109 standing
- Ofgem price cap 1 October to 31 December 2026, Direct Debit, South Wales: electricity 26.55p/kWh and 55.41p/day, gas 8.09p/kWh and 29.96p/day. Ofgem regional rates.
This winter, then month by month
Heating lifts winter bills. The split by month is an estimate.
October to March£1,118
£536 from October to December, £582 from January to March
January to March assumes today’s rates hold. Ofgem is expected to announce the cap for 1 January to 31 March 2027 in late November 2026.
- Electricity
- Gas
- £ a month at today’s rates
| Month | Bill |
|---|---|
| Oct | £146 |
| Nov | £182 |
| Dec | £208 |
| Jan | £206 |
| Feb | £195 |
| Mar | £180 |
| Apr | £139 |
| May | £110 |
| Jun | £91 |
| Jul | £87 |
| Aug | £89 |
| Sep | £110 |
- Seasonal profile: an estimate based on typical heating demand, not your meter data. Standing charges count the days in each month.
- October to December: Ofgem price cap 1 October to 31 December 2026, Direct Debit, South Wales. January to March: the same rates, until Ofgem announces the Q1 2027 cap.
What do your appliances cost to run?
Electricity at 26.55p per kWh and the 2025 GB average of 129 g of CO₂ per kWh. Edit the figures to match yours.
350 kWh a year
£93 a year45 kg CO₂
314 kWh a year
£83 a year40 kg CO₂
146 kWh a year
£39 a year19 kg CO₂
110 kWh a year
£29 a year14 kg CO₂
164 kWh a year
£44 a year21 kg CO₂
- Total 1,084 kWh a year£288140 kg CO₂
| Appliance | Watts | Hours a day | kWh a year | kg CO₂ a year | Cost a year | Remove |
|---|---|---|---|---|---|---|
| 350 | 45 | £93 | ||||
| 314 | 40 | £83 | ||||
| 146 | 19 | £39 | ||||
| 110 | 14 | £29 | ||||
| 164 | 21 | £44 | ||||
| Total | 1,084 | 140 | £288 | |||