EDF Energy vs UK Suppliers: Price & Tariff Comparison

Energy suppliers
May 21st, 2025
EDF Energy vs UK Suppliers: Price & Tariff Comparison

Content in this article

In the UK, there are lots of energy suppliers. This can make it hard for you to choose the best one. EDF Energy is one of Britain’s biggest generators. It competes with big names like British Gas, Octopus Energy, OVO Energy, and Scottish Power. You might ask how these companies compare in terms of energy prices, customer service, tariffs, and renewable energy solutions.

This guide gives a simple energy comparison between EDF Energy and other big energy companies. It uses publicly available data to share the information.

Who Are the Biggest Energy Suppliers in the UK?

The biggest energy suppliers in the UK are known as the Big Six. There are also several independent providers.

Energy Supplier Market Share (%) Type
British Gas 27% Big Six
EDF Energy 12% Big Six
Scottish Power 10% Big Six
OVO Energy 9% Independent
Octopus Energy 8% Independent
Utility Warehouse 5% Independent
So Energy 3% Independent
Good Energy 2% Independent

How Do Energy Prices Compare?

Energy prices are very important when choosing an energy provider. Below is a comparison of the unit price and standing charge for standard variable tariffs (SVTs):

Supplier Electricity Unit Rate (p/kWh) Gas Unit Rate (p/kWh) Standing Charge (per day)
EDF Energy 27.5p 7.0p £0.50
British Gas 28.1p 7.2p £0.52
Octopus Energy 26.8p 6.8p £0.48
Scottish Power 28.5p 7.4p £0.55
OVO Energy 27.2p 7.1p £0.51
Utility Warehouse 27.9p 7.3p £0.53

Prices come from the latest data from Ofgem. They may change.

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Which Supplier Has the Best Energy Tariffs?

Supplier Fixed Tariff Options Standard Variable Tariff (SVT) Green Tariff
EDF Energy 1, 2-year fixed Yes Yes (Renewable sources)
British Gas 1, 2, 3-year fixed Yes Yes (100% renewable electricity)
Octopus Energy 12-month fixed Yes Yes (Flexible & Agile Tariffs)
OVO Energy 1, 2-year fixed Yes Yes (Zero Carbon Energy)
Scottish Power 1, 2, 3-year fixed Yes Yes (Green Tariffs Available)

How Do Suppliers Compare on Renewable Energy?

Supplier Renewable Electricity (%) Green Gas (%)
EDF Energy 100% 0%
British Gas 100% 10%
Octopus Energy 100% 100%
OVO Energy 100% 15%
Scottish Power 100% 0%

EDF Energy is focused on providing zero carbon electricity. They generate power using nuclear energy from Hinkley Point C. They also invest in solar panels and other renewable energy solutions.

Which Supplier Has the Best Customer Service?

Customer service ratings depend on several factors. These factors include complaints, how quickly calls are answered, and how satisfied customers feel.

Supplier Trustpilot Rating Customer Service Score (5)
EDF Energy ★★★★☆ (4.2/5) 4.0
British Gas ★★★☆☆ (3.6/5) 3.5
Octopus Energy ★★★★★ (4.8/5) 4.7
OVO Energy ★★★★☆ (4.4/5) 4.2
Scottish Power ★★★☆☆ (3.2/5) 3.0

Do Suppliers Offer Smart Home Products?

Many energy companies provide smart home products. These products aim to help you manage energy usage more effectively.

Supplier Smart Meters EV Tariffs Solar Panels
EDF Energy Yes Yes Yes
British Gas Yes Yes No
Octopus Energy Yes Yes Yes
OVO Energy Yes Yes Yes
Scottish Power Yes Yes No

What Are the Exit Fees for Fixed Tariffs?

If you finish a fixed tariff early, you may need to pay an exit fee.

Supplier Exit Fee (per fuel)
EDF Energy £75
British Gas £80
Octopus Energy £50
OVO Energy £60
Scottish Power £100

What Are the Exit Fees for Fixed Tariffs

Correct as of 12 March 2025

FAQ’s About EDF vs Other Suppliers

Which supplier is the cheapest?

EDF Energy is competitive. But Octopus Energy and OVO Energy often provide slightly lower unit rates.

Does EDF Energy offer the best renewable energy options?

EDF gives 100% renewable electricity. But, they do not have green gas. This is different from what Octopus Energy and OVO Energy provide.

Which supplier has the best customer service?

Octopus Energy has the best customer satisfaction. EDF is recognised for strong customer service. This is better than what Scottish Power and British Gas provide.

Are fixed tariffs better than standard variable tariffs?

Fixed tariffs keep your costs steady. They shield you from rising energy prices. In contrast, standard variable tariffs can change with the energy price cap.

Which energy supplier is best for electric vehicle owners?

EDF, Octopus Energy, and OVO Energy all offer EV tariffs. These tariffs allow you to pay less for charging your electric vehicle at off-peak hours.

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