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Scottish Power

Big Six 🌿 Green

Iberdrola-owned supplier with a green generation focus

Founded: 1990 HQ: Glasgow

Scottish Power is owned by Spanish utility Iberdrola, one of the world's largest renewable energy companies. It was the first major UK supplier to commit to 100% renewable electricity, removing gas generation from its portfolio in 2016. It operates wind farms across Scotland, Wales and England.

Available Tariffs

Standard Variable Variable

100% renewable electricity. Variable rate at the Ofgem price cap.

Smart PAYG Prepayment

Smart prepayment meter tariff with online and app top-up.

Fixed Price Energy Fixed

12 or 24-month fixed tariff. Exit fees apply.

💡 Rates change frequently. Use our live comparison tool for current unit rates in your area.

✓ Pros

100% renewable electricity from real UK generation assets
Iberdrola backing provides significant financial stability
First major supplier to go fully renewable
Operates its own onshore and offshore wind farms

✗ Cons

Customer service scores below the best independent suppliers
Limited innovative tariff options
App and online portal can feel dated
Unit rates not always the most competitive

Switching Advice

Switching to or from Scottish Power is a standard process. Check your tariff for exit fees before switching away from a fixed deal.

🌿 Green Credentials

Scottish Power is one of the most credible green choices among larger suppliers. It generates electricity from its own wind farms and has been 100% renewable since 2016.

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