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 |
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.
| Usage Profile | Average annual Electricity use | Average annual Gas use |
| Low | 1,800kWh | 7,500kWh |
| Medium | 2,700kWh | 11,500kWh |
| High | 4,100kWh | 17,000kWh |
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 Profile | Average monthly Electricity | Average monthly Gas |
| Low | £57 | £54 |
| Medium | £78 | £77 |
| High | £110 | £109 |
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 |
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 |
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 |
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