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YOUR HOME. YOUR ENERGY.

What size solar & battery
could suit your home?

A few simple answers. A useful starting point. No technical knowledge needed.

For homes in West Sussex and nearby areas · No contact details needed to see your estimate

1 Your electricity2 Your roof3 Your estimate
Your electricity use

The annual kWh figure on your bill gives the best starting point. Your monthly electricity cost works too.

Use the last 12 months, including any EV or electric heating already in that figure.

Savings tariff: 33p daytime · 8p overnight

Includes overnight battery charging when solar is not enough.

Overnight usage & charging assumptions

Starting assumptions: 20% of household use is already overnight, with a 5-hour cheap window and 3.6kW battery charging. Use your actual tariff window. These are estimates, not a named tariff offer.

Planning an EV, heat pump or more electricity use?

Add only new use that is not already included above. If you don’t know, leave this at zero and tell us in your enquiry.

Have a heavily shaded roof or high electricity use? A tailored assessment will be more useful than a generic system size. Talk to Jelvis.