Average Gas and Electricity Bills in the UK

In the United Kingdom the energy requirements increase day by day the average electricity demand will be 318.65 Terawatts in 2024.

the demand of electricity is fluctuated  47.1 Gigawatt in 2022 , In summer 2025 it predict 29.7 GW.it  already going peaked  61 Gigawatt  consumption.

Energy Consumption Stats In UK (Top Picks)

  • There are currently 22 Active Electricity & Gas companies in UK.
  • Octopus Energy is the largest Energy Suppliers in the UK 24% of the market 2025
  • Octopus Energy supplies over 12.9 million UK households
  • SSE (Scottish and Southern Energy) is 2nd energy supplies company in UK.
  • the Great Britain electricity peak demand has reached 61 GW in winter 

How many energy suppliers are there in the UK?

In the United Kingdom region there are 22 active companies who supply Gas and electricity in the UK region  there are 18 companies who supply both electricity and Gas

rest of 4 other companies  1 in gas supplier and 3 are pure electricity supplier.

the most common companies are British Gas, EDF Energy, E.ON Energy, Npower , Scottish Power and SSE these are big electrical suppliers companies in the UK

📊 Electricity Supplier UK Market Share – 2005 Q3


Rank Supplier Market Share (%) Notes
1 Octopus Energy 23.7 % (households) / 22 % (electricity) Surpassed BG to become UK’s largest supplier (cornwall-insight.com)
2 British Gas (Centrica) 23.1 % (households) / 20.3 % (electricity) Still #1 for gas (27.8 %)
3 E.ON / E.ON Next ~17 % electricity, ~14 % gas Includes ex‑npower customers
4 OVO Energy ~13 % electricity, ~11 % gas Gained SSE retail in 2019; ~4M customers
5 EDF Energy ~10–11 % electricity, ~9 % gas Part of the “Big Six”
6 ScottishPower 8.2–8.7 % electricity, ~7.5 % gas Among “Big Six”
7 SSE (via OVO) ~10 % combined, now under OVO Retail business sold to OVO
8 Shell Energy (now Octopus) Integrated into Octopus Acquired in late 2023
9 Utilita Energy ~2.6 % (pay-as-you-go) ~800k customers
10 Others / Small Suppliers ~9 % total (combined) Outside Top 6 & challengers
Source: Reuters, The Guardian

How Much Energy Consumption of Electricity vs Gas in UK:

In the UK, the higher consumption of gas as compared to electricity for domestic purposes its primarily uses cooking for larges uses as central heating.

The Cost of Gas and electricity depend upon different factors like Energy prices, Tarrif, House size, Family members, and energy efficiency or quality of equipment.

A typical medium household average electricity consumption around 2,700kWh per year while an average Gas consumption of 11,500kWh per year

Overall scenario Gas is cheaper per unit as electricity. 

average annual energy consumption in UK
Usage ProfileAverage annual
Electricity use
Average annual
Gas use
Low 1,800kWh7,500kWh
Medium 2,700kWh11,500kWh
High 4,100kWh17,000kWh
Data Source: Ofgem

Average energy bill in uk per month:

The average energy bills monthly in The UK region approx  £112.37£154 using Gas and electricity both these are for small (1 Bedroom/Flat ) households, 1-2 people consuming.

However individual bills can vary from different factors: Household Size, Energy usage vs saving habits , efficiency of the home.

Usage ProfileAverage monthly Electricity Average monthly
Gas 
Low £57£54
Medium £78£77
High £110£109
Data Source: Ofgem

Average electricity bills for small family in UK:

average electricity bill for 2 person household uk:

For a small family like a 2 person household in the UK , average cost of electricity approx: £55.00 -£59.00 while the annual usage of 1,800 kWh.

For 1 Bed Room House: monthly electricity bills approx. £45 and £65 / without gas is £57

For 3 Bed Room House: with 2-3 family members the average monthly bills around £73- £80 /

For 4 Bed Room House: with 4-5 family members the average monthly bills around £86 to £105.

Data Source: Energy-Review, Confused

*Annual electricity consumption range 1,800kWh/ 2,700 kWh,/ 4,100 kWH

Usage Profile House Size KWh Annual Average Monthly Electricity Average Annual Electricity
Low 1 Bedroom 1,800 kWh £57 £687
Medium 2–3 Bedrooms 2,700 kWh £78 £933
High 3–4 Bedrooms 4,100 kWh £110 £1,316
Data Source: Ofgem, Energy-Review, Confused


Average Gas Bill Per Month UK:

The Average monthly gas bills for UK households  depend on house of size and its usage its range between £54 and £109.

average gas bill for 2 person household uk

For low usage a small family size 1-2 people the average monthly gas bill around £54, for medium family size 2-3 people household usage pay around £77 , A big household 4- 5 family members the gas bills around £109. /

For 2 Bed Room House: For 1-2 Family monthly gas bills approx £54 and £77 /

For 3 Bed Room House: For 2-3 family members the average monthly bills around £66.67 to £83.33 

For 4 Bed Room House: For 4-5 family members the average monthly bills around £96 – £108.

 source:edf energy, UHomes WarmZilla

Usage Profile Number of Persons House Size KWh Annual Average Monthly Gas Average Annual Gas
Low 1–2 People 1 Bedroom 7,500 kWh £54 £644
Medium 2–3 People 2–3 Bedrooms 11,500 kWh £77 £923
High 4–5 People 3–4 Bedrooms 17,000 kWh £109 £1,307
Data Source: Ofgem

The Average monthly gas bills for UK hosuehold  depend on hosue of size and usage but its range ebtween  £70 to £100 per month, annulay its approx £1000 Pounds on uses

for small household 1-2 bedroom flat the monthly gas bill £52-£57 , big hosuehold 3-4 bedroom hosues gas bill arpound £75-£78 , for  5 bedroom household tha gas bill around £110-£120 per month. uhomes.com

Average Gas and Electricity bill UK by House Size

The average annual energy bill in uk is approx £1,720 , which is about £143 per month The Energy Shop

The energy bill depends on different factors like housesize, energy usage, habits and efficiency of the home

Usage Profile Number of Persons House Size KWh Annual Gas KWh Annual Electricity Average Monthly Gas Average Monthly Electricity
Low 1–2 People 1 Bedroom 7,500 kWh 1,800 kWh £54 £57
Medium 2–3 People 2–3 Bedrooms 11,500 kWh 2,700 kWh £77 £78
High 4–5 People 3–4 Bedrooms 17,000 kWh 4,100 kWh £109 £110
Data Source: Ofgem

average energy bills by housesize:

the average Gas and Electricity bill for 2 person households in UK around £1,260.75 per year, per month it can be approx.

£105 per month this is For low energy usage with 1 bed room house

for 3 bedroom house: The average annual (Gas and Electricity ) bill £1,590 to £1,850 yearly 

For 4-bedroom House : The average annual (Gas and Electricity ) bill £1,849.27 and £2,612.14 Yearly 

Source:  BritishGas,Warmzilla, USwitch

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