Calculators

Estimate the usable energy capacity of a solar battery system based on nominal battery size, depth of discharge, inverter efficiency, and battery age factor.

Estimate the recommended inverter size in watts based on total running load, surge load, desired backup time, system voltage, and efficiency margin.

Estimate the recommended solar inverter size in kilowatts based on your solar array size, expected peak load, inverter efficiency, and desired oversizing ratio.

Estimate the recommended solar inverter size in kilowatts based on total solar panel capacity, DC-to-AC design ratio, expected system losses, and inverter efficiency.

Estimate how many solar batteries you need based on daily electricity use, backup duration, battery voltage, battery capacity, and allowable depth of discharge.

Estimate your annual electricity bill savings from adding a solar battery based on daily energy shifted, battery efficiency, electricity rates, and solar export value.

Estimate the installed cost of a home solar battery system based on storage capacity, battery chemistry, number of units, installation complexity, and backup integration level.

Estimate the total usable lifetime energy from a solar battery based on rated capacity, expected cycle life, average depth of discharge, round-trip efficiency, and battery chemistry.

Estimate the usable energy output of a solar battery system after accounting for battery round-trip efficiency, inverter efficiency, depth of discharge, and temperature-related performance losses.

Estimate usable battery energy based on total battery bank capacity, chosen depth of discharge, system voltage, and round-trip efficiency for a solar storage system.

Estimate the required solar battery capacity in amp hours based on daily energy use, battery voltage, days of backup, depth of discharge, and system efficiency.

Estimate how many hours of solar charging are needed to recharge a battery based on battery size, depth of discharge, solar panel output, peak sun hours, and charging efficiency.

Estimate how long a solar panel setup will take to charge a battery based on battery capacity, battery voltage, solar panel wattage, average peak sun hours, and charging efficiency.

Estimate how long it will take a solar panel setup to charge a battery based on battery capacity, battery voltage, solar panel wattage, average peak sun hours, and charging efficiency losses.

Estimate how long a solar panel system will take to charge a battery based on battery capacity, battery voltage, panel wattage, average peak sun hours, and charging efficiency.

Estimate how long a solar battery system can power your loads based on battery capacity, depth of discharge, inverter efficiency, and total power usage.

Estimate how long a solar battery can power your electrical load based on battery capacity, system voltage, depth of discharge, inverter efficiency, and total power draw.

Estimate the usable watt-hours available from a solar battery system based on battery voltage, amp-hour capacity, number of batteries, depth of discharge, and inverter efficiency.

Estimate the usable battery storage capacity needed for a solar system based on daily electricity use, backup duration, depth of discharge, and system losses.

Estimate the required solar battery capacity in amp-hours (Ah) based on daily energy use, system voltage, days of backup, battery depth of discharge, and inverter efficiency.

Estimate the total solar rebate amount based on system size, panel count, eligible small-scale technology certificates, state incentive, and battery rebate eligibility.

Estimate the required battery bank capacity in amp-hours based on daily energy use, system voltage, days of autonomy, allowable depth of discharge, and inverter efficiency.

Estimate the required battery bank capacity in amp-hours based on daily energy use, system voltage, days of autonomy, maximum depth of discharge, and inverter efficiency.

Estimate the recommended solar battery bank capacity in amp-hours based on daily energy use, system voltage, desired backup days, maximum depth of discharge, and battery round-trip efficiency.

Estimate the required solar battery bank capacity in kilowatt-hours based on daily energy use, backup days, battery voltage, maximum depth of discharge, and system efficiency.

Estimate the recommended solar battery capacity in kilowatt-hours based on daily energy use, desired backup duration, depth of discharge, and system losses.

Estimate the recommended solar battery bank size in usable kilowatt-hours based on daily energy use, desired backup duration, battery depth of discharge, and system losses, with an optional autonomy factor for extra reserve.

Estimate the recommended solar battery capacity based on daily energy use, desired backup duration, depth of discharge, battery system voltage, and reserve margin.

Estimate the usable battery storage needed for a solar power system based on daily energy use, backup duration, depth of discharge, and system losses.

Estimate the federal residential clean energy tax credit for a home solar installation based on system cost, battery storage cost, applicable federal credit rate, and any utility rebates that reduce the eligible basis.