Energy & Solar Calculators
Solar sizing, payback, battery backup and electricity bills.
15 calculators in this category.
Solar
- Electricity Carbon Footprint Calculator — Calculate CO₂ emissions from electricity use and the savings from solar.
- Solar Battery Calculator — Size a home battery to store solar surplus and cut evening grid imports.
- Solar Inverter Sizing Calculator — Size a solar inverter using the DC-to-AC ratio and check for clipping.
- Solar Panel Calculator — Work out how many solar panels you need to cover your electricity use.
- Solar Panel Output Calculator — Estimate daily, monthly and annual generation from a solar array.
- Solar Payback Calculator — Find how long a solar system takes to pay for itself.
- Solar ROI Calculator — Calculate return on investment and levelised cost of energy for a solar system.
- Solar Roof Area Calculator — Find how much solar capacity fits on your roof, or the area a system needs.
- Solar Savings Calculator — Estimate annual and lifetime bill savings from a solar system.
- Solar System Size Calculator — Calculate the kW solar system size needed for your electricity consumption.
Energy use & cost
- Energy Consumption Calculator — Audit household energy use by adding up appliance loads and running hours.
- Energy Cost Comparison Calculator — Compare heating fuels on a like-for-like cost per useful kWh.
- Wind Turbine Output Calculator — Estimate energy output from a wind turbine using rotor size and wind speed.
More energy & solar calculators
- Battery Backup Calculator — Work out how long a battery will run your essential loads during an outage.
- Net Metering Calculator — Calculate your net electricity bill with solar export credits.