Energy & Renewables calculators
Solar PV sizing, panel output, battery banks and inverter sizing.
Battery Bank Sizing CalculatorBattery capacity (Ah and kWh) and the series/parallel layout for your loads and days of autonomy.Energy & RenewablesSolar Inverter Sizing CalculatorInverter size in kW and kVA with motor surge and DC current, the DC/AC ratio, and a cold-weather string voltage check.Energy & RenewablesSolar Panel Output EstimatorEstimated DC and AC output of solar panels at a given sun and temperature, or their daily energy from peak sun hours.Energy & RenewablesSolar PV System Sizing CalculatorSolar array size (kWp) and number of panels for a daily energy need, from peak sun hours, losses and a design margin.Energy & Renewables
Also useful
Calculators from other categories that are often needed in this field.
Battery Runtime CalculatorEstimated running time of a battery from its capacity and the load power or current.Electrical EngineeringElectricity Cost CalculatorEnergy use (kWh) and running cost of any appliance or machine.Electrical EngineeringVoltage Drop CalculatorEstimated voltage drop, % drop and cable losses for DC, single-phase and three-phase circuits.Electrical EngineeringOhm’s Law CalculatorEnter any two of voltage, current, resistance and power to find the others.Electrical Engineering