Compare your home today with a smarter energy setup for tomorrow.

Explore how solar, battery storage, and heating upgrades could change your home energy costs over the next 10 years.

Electricity day

Electricity night

Gas

Energy inflation assumption

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Build the comparison

Enter your annual usage once, then compare your current home against the upgrade you want to test.

PostcodeRoof suitabilityElectricity day kWh / yearElectricity night kWh / yearGas / heating fuel kWh / year

Optional tariff override

Use your own actual tariff rates if they differ from the typical prices shown above. Enter values in pence per kWh.

Your day rate (p/kWh)Your night rate (p/kWh)Your gas rate (p/kWh)

I plan to get an EV in the near future

Current values

What is in the house today

Number of solar panelsBattery storage (kWh)Current heating and hot water

Comparison values

The future setup you want to test

Number of solar panelsBattery storage (kWh)Future heating and hot water

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See how your current setup compares with the future system you're considering.

Waiting for a comparison

You'll see upfront cost, monthly savings, break-even, and a 10-year cumulative cost view.