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Both calculators run independently — change the inputs on either side to compare results.

Solar Load Calculator

Calculate the total daily energy demand of your home's lighting, appliances, and HVAC to correctly size a solar system. Use this before getting solar quotes to know exactly how many kilowatt-hours per day you need to generate.

Lighting Load (watts)

Appliances Load (watts)

HVAC Load (watts)

Average Daily Usage (hours)

System Efficiency Factor

Fill in the required fields to see your result.

Solar Energy

Net Metering Calculator

Estimate your monthly solar bill under time-of-use net metering. Enter your production, usage, peak/off-peak rates, and connection fee to see exactly what you owe or earn back.

Monthly Solar Production (kWh)

Monthly Energy Usage (kWh)

Peak Rate ($/kWh)

Off-Peak Rate ($/kWh)

Peak Hours Production (%)

Monthly Connection Fee ($)

Fill in the required fields to see your result.

Key differences

	Solar Load Calculator	Net Metering Calculator
Category	Solar Energy	Solar Energy
Inputs required	5	6
Result	Required Solar Capacity (kW)	Monthly Net Metering Credit/Cost ($)
What it does	Calculate the total daily energy demand of your home's lighting, appliances, and HVAC to correctly size a solar system. Use this before getting solar quotes to know exactly how many kilowatt-hours per day you need to generate.	Estimate your monthly solar bill under time-of-use net metering. Enter your production, usage, peak/off-peak rates, and connection fee to see exactly what you owe or earn back.