How much electricity does a home in Carmarthenshire use?

The median home used 2,506 kWh of electricity in 2024, against 2,471 kWh across Great Britain. The mean was higher, 3,363 kWh, because a minority of heavy users pulls an average up; the median is the household in the middle.

How much gas does a home in Carmarthenshire use?

The median home with a gas meter used 9,145 kWh of gas in 2024, against 9,859 kWh across Great Britain. The figures are weather-corrected by DESNZ, so a cold winter doesn’t make one area look worse than another.

What does energy cost for a typical home in Carmarthenshire?

At the price cap for 1 October 2026 to 31 December 2026, a home using the Carmarthenshire medians would pay about £1,717 a year, standing charges included. Your own bill depends on your own use, which is on your bill or in your supplier’s app.

Home energy use

Home energy use in Carmarthenshire

Sir Gaerfyrddin

How much electricity and gas the typical home here uses, from meter readings for every home in Great Britain, and how that compares with everywhere else.

Verified: 23 October 2026 from DESNZ subnational consumption statistics

Where these figures come from

Electricity, median home: 2,506 kWh; a year, about the same as Great Britain
Gas, median home: 9,145 kWh; a year, 7% less than Great Britain
At today’s price cap: £1,717; a year for the median home

The typical home in Carmarthenshire used 2,506 kWh of electricity and 9,145 kWh of gas in 2024. Against the typical home across Great Britain, that is about the same electricity and 7% less gas.

Of 350 local authority areas in Great Britain, Carmarthenshire comes 182nd for electricity use and 267th of 347 for gas, counting from the highest. These are medians: half the homes here use more and half use less. The mean is higher (3,363 kWh of electricity, 10,405 kWh of gas) because a minority of big users pulls an average up.

Only about 62% of homes in Carmarthenshire have a mains gas meter, against about 84% across Great Britain. Homes off the gas grid heat with electricity, oil, LPG or solid fuel, which tends to push electricity use up.

What it costs

At the price cap for 1 October 2026 to 31 December 2026, a home using exactly the Carmarthenshire medians would pay about £1,717 a year: £868 for electricity and £849 for gas, standing charges included. The same sum for the Great Britain medians comes to £1,745. These use the South Wales region’s rates.

Carmarthenshire is in the South Wales electricity region. See every region’s rates on energy prices by region.

Your own use is on your bill or in your supplier’s app. Put it into the direct debit checker to see whether you are paying the right amount each month.

Over the last ten years

Since 2015, the typical home’s electricity use here has fallen 20% and its gas use has fallen 19%. The biggest drop came in 2022, the year of the energy price crisis, and use has stayed close to that lower level since.

Electricity, median kWh a year

Gas, median kWh a year, weather-corrected

How does your home compare?

Is my electricity use normal? Your yearly use against homes like yours, by property type, heat pump and electric car.
Electricity smart meter analyser and gas analyser read your supplier’s download and show what your home uses hour by hour, without the file leaving your device.
Heat pump calculator What a heat pump would cost to run against your gas boiler.
Grant checker Including the Boiler Upgrade Scheme, which covers Wales.

Areas with similar use

Eastleigh2,516 / 9,027 kWh
Wrexham2,472 / 9,124 kWh
Flintshire2,494 / 9,289 kWh
Redditch2,490 / 9,287 kWh
Vale of Glamorgan2,474 / 9,045 kWh

Median electricity / gas, nearest to Carmarthenshire.

Elsewhere in Wales

Common questions

How much electricity does a home in Carmarthenshire use?: The median home used 2,506 kWh of electricity in 2024, against 2,471 kWh across Great Britain. The mean was higher, 3,363 kWh, because a minority of heavy users pulls an average up; the median is the household in the middle.
How much gas does a home in Carmarthenshire use?: The median home with a gas meter used 9,145 kWh of gas in 2024, against 9,859 kWh across Great Britain. The figures are weather-corrected by DESNZ, so a cold winter doesn’t make one area look worse than another.
What does energy cost for a typical home in Carmarthenshire?: At the price cap for 1 October 2026 to 31 December 2026, a home using the Carmarthenshire medians would pay about £1,717 a year, standing charges included. Your own bill depends on your own use, which is on your bill or in your supplier’s app.