UK Energy Bill Calculator
Estimate your full annual bill from kWh usage, unit rate and standing charge.
UK Appliance Running Costs
Work out what household appliances cost to run from their wattage.
UK EV Charging Costs
Estimate the cost of charging an electric vehicle at home.
UK Standing Charge Calculator
Work out your annual standing charge and compare supplier figures.
UK Energy Debt Repayment
Plan a manageable repayment timeline for energy arrears.
UK Smart Meter Savings
Estimate your potential smart meter savings range from your habits.
UK Economy 7 Calculator
Compare a standard tariff against an Economy 7 day/night tariff.
UK Heat Pump Running Costs
Estimate heat pump electricity use, running cost and savings vs gas, oil, LPG or electric heating.
UK Electric Heating Costs
Estimate what an electric heater costs to run from its wattage, hours and your unit rate.
UK Battery Storage Savings
Estimate ROI and payback for a home battery across different sizes and tariffs.
UK Battery ROI Calculator
Full year-by-year ROI, payback, NPV and suitability score for a home battery.
UK Power Cut Risk Checker
Find your local network operator and an indicative regional outage risk.
UK Home Energy Efficiency Score
Get an indicative home efficiency score with personalised improvement ideas.
UK Solar Savings Calculator
Estimate your yearly solar savings from system size, self-use and export rate.
UK SEG Earnings Calculator
Estimate your annual Smart Export Guarantee income from system size, export share and tariff.
UK Solar Panel Payback
Estimate payback period, ROI, lifetime savings and CO₂ reduction for a UK solar system.
UK Boiler Cost Calculator
Estimate a new boiler's supply, install, running and 15-year lifetime cost with payback vs your old one.
All figures produced by these tools are estimates based on the inputs you provide and typical UK assumptions. They are not financial advice and do not guarantee savings.