Cheapest Electricity Provider in the UK – 2025
Looking for the cheapest electricity providers in the UK for 2025? At EnergyPlus, we make it easy to compare the latest tariffs, standing charges, exit fees, and cashback deals so you can find the right tariff for your household.
⚡ Why electricity prices vary
Electricity costs differ depending on your postcode, tariff type, meter, and standing charge. The lowest unit rate doesn’t always mean the cheapest bill, so we consider all factors including exit fees and customer reviews in our comparisons.
🏆 Top Electricity Providers for 2025
| Provider | Highlights | Things to Watch |
|---|---|---|
| Octopus Energy | Low overall rates, £50 referral credit, 100% renewable energy. | Check standing charges and whether referral bonus is included. |
| Outfox the Market | Competitive fixed deals and transparent pricing. | Some plans have exit fees — check terms carefully. |
| Utility Warehouse | Cashback and bundle deals with broadband/mobile. | Pure electricity savings may vary compared to standalone tariffs. |
| Ecotricity | Green tariffs with strong eco credentials. | Higher standing charges and slightly premium pricing. |
| EDF Energy | Strong fixed-rate offers from a trusted supplier. | Smart meter requirements and early exit fees may apply. |
🔍 How to Choose the Cheapest Tariff
- Use our postcode-based comparison tool for accurate local deals.
- Compare unit price, standing charges, and exit fees.
- Factor in cashback and referral credits.
- Check contract flexibility before locking into a deal.
- Read reviews for customer service and switching support.
✅ What to Look For
When reviewing electricity tariffs, keep an eye on:
- Smart meter compatibility – some discounts only apply with smart meters.
- Standing charges – daily fixed fees that affect low-usage households.
- Contract length – fixed deals may offer security but include exit fees.
- Bonus credits – welcome offers or cashback reduce effective costs.
- Price cap comparison – check if your tariff beats Ofgem’s energy price cap.
📊 Fixed vs Variable Electricity Tariffs
Choosing between a fixed electricity tariff and a variable tariff is one of the most important decisions you’ll make:
- Fixed tariffs lock in your rate for 12–24 months, protecting you from price rises.
- Variable tariffs follow market trends and the Ofgem price cap — you benefit from price drops, but are exposed to increases.
- No exit fee tariffs provide flexibility to switch if a cheaper deal appears.
🌍 Cheapest Green Electricity Providers
Many UK households are now choosing renewable electricity tariffs. Providers like Octopus Energy and Ecotricity offer 100% green tariffs that support wind, solar, and hydro generation. While sometimes slightly more expensive, they help reduce your carbon footprint and may come with government-backed incentives.
🏠 Regional Differences in Electricity Prices
Did you know electricity prices vary by postcode? Suppliers often set different rates for regions based on network costs and demand. That’s why using a localised comparison tool is essential. For example, a deal that’s cheapest in London may not be the best option in Manchester or Glasgow.
📉 How Much Can You Save by Switching?
According to Ofgem, the average UK household could save £200–£400 per year by switching to the cheapest available tariff. Savings depend on your energy usage, contract type, and whether you pay by direct debit or prepayment.
Even if you’re on a price-capped tariff, there’s often a cheaper fixed deal available — especially if you’re comfortable with a 12–24 month commitment.
🚀 Ready to Switch?
Enter your postcode into our Electricity Comparison Tool now and find the cheapest electricity provider for your home. Switching only takes minutes and can save you hundreds of pounds a year.
Disclaimer: Tariff details may change. Always confirm final rates before switching.