What is the tariff comparison tool?
Compare green energy tariffs, time-of-use rates and EV-specific deals from UK suppliers to find the cheapest tariff for your usage pattern.
How to use the comparison tool
Enter your current usage, meter type and whether you have solar, a battery or an EV to get personalised tariff recommendations ranked by annual cost.
Types of tariff explained
Fixed, variable, time-of-use, agile and export tariffs explained, how each works, who they suit and the trade-offs between price certainty and flexibility.
Time-of-use tariffs in detail
How time-of-use tariffs like Octopus Go, Intelligent and Agile work, what the off-peak windows are and how much you can save by shifting usage.
Green tariffs & 100% renewable
What green and 100% renewable tariffs actually mean, how REGO certificates work and whether switching to a green tariff genuinely reduces your carbon footprint.
Export & SEG tariffs
How the Smart Export Guarantee works, current export rates from major suppliers and how to find the best deal for your solar or battery export.
Tariffs for solar owners
The best tariffs for homes with solar panels, how to maximise self-consumption value, when agile pricing helps and how to stack import and export tariffs.
Tariffs for EV owners
The best tariffs for EV charging at home, how intelligent tariffs schedule charging automatically and how much you save versus a standard variable rate.
How we calculate savings
How we estimate annual costs for each tariff, the usage profile assumptions we make and how we handle seasonal variation and standing charges.
Frequently asked questions
Common questions about the tariff comparison tool, including smart meter requirements, switching times, exit fees and whether we earn commission from suppliers.