British Gas vs Scottish Power – Which Supplier Is Better?

April 23rd, 2025
British Gas vs Scottish Power – Which Supplier Is Better?

Who Are British Gas and Scottish Power?

British Gas

  • Parent Company: Centrica
  • Customer Base: More than 7 million homes
  • Headquarters: Windsor, UK
  • Main Services: Gas, electricity, smart meters, boiler cover, and home services
  • Renewable Electricity Commitment: A mix of renewable energy and traditional sources

British Gas is a major energy supplier in the UK. They offer both fixed and variable energy tariffs. Customers can choose from electricity tariffs and gas plans for homes and businesses. British Gas also invests in wind farms, solar power, and smart technology. These efforts help promote green energy initiatives.

Scottish Power

  • Parent Company: Iberdrola
  • Customer Base: More than 5 million homes
  • Headquarters: Glasgow, Scotland
  • Main Services: Gas, electricity, smart meters, electric vehicle tariffs, renewables
  • Renewable Electricity Commitment: 100% green electricity from wind farms

ScottishPower is a big energy provider. It makes green energy mainly from wind farms. They offer fixed and variable tariffs. Smart meters and solar panel solutions are also available. These help customers lower their energy bills.

Tariffs and Energy Price Comparison

The energy price cap, which is set by Ofgem, controls how much energy firms can charge customers for default variable tariffs. This cap is updated in January, April, July, and October. It impacts both electricity tariffs and the costs for gas plants to operate.

Standard Variable Tariffs (SVT) & Standing Charges

Supplier Electricity Unit Rate (p/kWh) Gas Unit Rate (p/kWh) Standing Charge (Electricity – p/day) Standing Charge (Gas – p/day)
British Gas 24.85p 6.40p 63.50p 33.10p
ScottishPower 24.78p 6.30p 62.00p 32.00p
  • ScottishPower has slightly cheaper rates for electricity and gas.
  • Customers of ScottishPower have lower standing charges.

Compare Energy Prices

Thinking about changing your energy provider?

Fixed Tariff Options

Supplier Tariff Name Electricity (p/kWh) Gas (p/kWh) Exit Fees Contract Length
British Gas Fixed Saver 23.50p 5.90p £75 per fuel 12 months
ScottishPower Fixed Price 23.20p 5.80p £75 per fuel 12 months
  • Scottish Power has a fixed tariff that costs a bit less with lower rates.
  • Both companies have exit fees of £75 for each fuel if you end your contract early.
  • Fixed tariffs give customers a steady price, which helps those who are concerned about changes in the energy price cap.

Smart Meters and Renewable Energy Support

Smart Meter Availability

Feature British Gas ScottishPower
Smart Meters Yes Yes
Mobile App Support Yes (British Gas App) Yes (ScottishPower App)
Time-of-Use Tariffs No Yes
Renewable Electricity Partial 100% from wind farms
Solar Panel & EV Tariffs Yes Yes
  • Scottish Power gives 100% green electricity. On the other hand, British Gas has a mix of traditional and renewable energy.
  • ScottishPower offers smart meters that work with time-of-use tariffs. This is for customers who want lower electricity tariffs during off-peak hours.

Customer Service and Reviews

Trustpilot Ratings

Supplier TrustScore 5★ 4★ 3★ 2★ 1★ Total Reviews
British Gas 4.2/5 61% 9% 4% 3% 23% 269,339
ScottishPower 4.3/5 61% 14% 5% 3% 17% 105,026
  • Scottish Power has a higher TrustScore compared to British Gas.
  • British Gas gets more complaints about billing and meter reading problems.

Customer Service and Trustpilot Reviews (as on 03/03/2025)

Complaints Per 100,000 Customers

Quarter British Gas ScottishPower
Q1 2024 1,746 1,472
Q2 2024 1,530 1,303
Q3 2024 1,427 1,227
  • ScottishPower gets fewer complaints compared to British Gas.
  • Customers of British Gas often complain about billing and customer service.

Complaint Received by Britishgas & ScottishPower

How to Submit Meter Readings

Submitting a Meter Reading to British Gas

  1. Sign in to your British Gas energy account using the British Gas website or the British Gas app.
  2. Select Submit a Meter Reading from your account homepage.
  3. Type in your latest electricity and gas readings.
  4. Confirm and send in your readings to update your energy bill.

Submitting a Meter Reading to Scottish Power

  1. Sign in to your ScottishPower energy account on the ScottishPower website or through the ScottishPower app.
  2. Select Submit a Meter Reading.
  3. Enter your most recent electricity and gas meter readings.
  4. Check and submit to make sure your energy bills are correct.

Switching Energy Suppliers and Finding the Best Tariff

How to Switch and Save on Energy Bills

  1. Compare different tariffs – Look at fixed tariffs, variable tariffs, and dual fuel plans to find the best choice for you.
  2. Consider green electricity optionsScottishPower provides 100% renewable electricity, while British Gas offers a mix of energy sources.
  3. Check exit fees – Both companies charge £75 for each fuel if you leave a fixed tariff before the end.
  4. Use your postcode – Energy prices can change based on your postcode. Checking options by location can help you find better rates.
  5. Monitor Ofgem’s price cap – The energy price cap impacts standard variable tariffs. It’s key to keep an eye on updates in January, April, July, and October.

FAQs About British Gas vs ScottishPower

Which supplier offers the best renewable energy options?

ScottishPower gives electricity that comes entirely from renewable sources like wind farms. On the other hand, British Gas offers a mix of energy that includes solar power and traditional sources.

Do both suppliers offer smart meters?

Yes, British Gas and ScottishPower both offer smart meters. These devices help customers keep track of their energy use and lower their energy bills.

How do I switch from British Gas to ScottishPower?

Use an energy comparison website to find the best tariff. After that, sign up and send your meter readings. This will help you have a smooth transition.

How does British Gas and ScottishPower compare to other energy companies like OVO Energy and Octopus Energy?

Both British Gas and ScottishPower provide fixed and variable pricing plans. Octopus Energy and OVO Energy stand out for their flexible pricing and customer rewards. Octopus Energy has unique tariffs and offers 100% renewable electricity. OVO Energy focuses on reducing carbon emissions and has competitive rates.

Can I switch from British Gas or ScottishPower to EDF Energy easily?

Yes, moving to EDF Energy or another energy company is easy. You just need to compare energy companies, pick the best tariff, and let your new supplier know. You’ll need to give a final meter reading and confirm your switch with an email. Most switches take about 5 working days, thanks to the Energy Switch Guarantee.

Compare Energy Prices

Thinking about changing your energy provider?

4000+ reviews