Energy Calculators & Tools

Calculate for free: electricity costs, PV yield, battery amortisation and more.

Estimate monthly and annual electricity costs from usage, price per kWh, and base fee.

Calculate annual solar yield, self-consumption savings, and feed-in revenue for your PV system.

Calculate how many years until your home battery pays for itself through electricity savings.

Calculate annual charging costs for your electric vehicle — at home, public stations, or with your own PV system.

Compare annual heating costs of a heat pump vs. gas boiler based on SPF, energy prices, and maintenance.

Convert your electricity consumption into CO₂ emissions and see the impact of PV and green electricity.

Calculate your annual PV revenue from feed-in tariff and self-consumption savings over multiple years.