ShareThe Online Solar Power Calculator estimates the cost of adding solar panels to your current residential or commercial building. Please remember these numbers are estimates and that your local installer can provide a comprehensive evaluation upon request. You Must Be Logged In To Use The Solar Energy Calculator. Solar Energy Calculator Back To: Alternative EnergyRead More

# Energy Calculators

## Energy & Power Calculator

ShareEnergy & Power Calculator Enter 2 values to get the other values and press the Calculate button: Energy & Power Calculator The average power P in watts (W) is equal to the energy consumed E in joules (J) divided by time period Î”t in seconds (s): P(W)Â =Â E(J)Â / Î”t(s) Back To: Alternative Energy Tool Box

## DC Power Calculator

ShareDC Power Calculator EnterÂ 2Â valuesÂ to get the other values and press theÂ DC Power CalculatorÂ button: Voltage (V) calculation from current (I) and resistance (R): V(V) = I(A) Ã— R(Î©) Complex power (S) calculation from voltage (V) and current (I): P(W) = V(V) Ã— I(A) = V 2(V) / R(Î©) = I 2(A) Ã— R(Î©) Electric power is defined as the rate, per unit time, at which an electric circuit transfers its electrical energy. The SIRead More

## AC Power Calculator

ShareAC Power Calculator EnterÂ 2 magnitudes + 2 phase anglesÂ to get the other values and press theÂ AC Power CalculatorÂ button: AC Power Calculation The voltage V in volts (V) is eqaul to the current I in amps (A) times the impedance Z in ohms (Î©): V(V) = I(A) Ã— Z(Î©) = (|I|Ã—|Z|) âˆ (Î¸I + Î¸Z) The complex power S in volt-amps (VA) is equalRead More