Solar Savings Calculator

Solar & Battery Savings Estimator

Answer a few quick questions to see your estimated annual savings and simple payback.

1. Your home & energy use

Postcode

Monthly electricity bill (£)

Annual usage (kWh, if known)

Electricity unit rate (p/kWh)

Tariff type

Standard Economy 7/10 Smart / Time-of-use

Occupancy pattern

Home most of the day Out 9–5 weekdays Mixed / shifts

2. System & roof

System size 4 kW 6 kW 8 kW 10 kW 12 kW

Battery storage

Yes – include a battery No battery

Main roof direction Mainly south Mainly east / west Mainly north Not sure

Shading No obvious shading Some (chimneys / trees) Heavy shading

3. Your details

Name

Email

Phone number (optional)

Your estimated savings

Current annual cost
New annual cost
Self-used solar
Exported
Export income
25-year benefit

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