Compare calculators

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

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.

Solar Energy

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.

Key differences

	Net Metering Calculator	Solar Load Calculator
Category	Solar Energy	Solar Energy
Inputs required	6	5
Result	Monthly Net Metering Credit/Cost ($)	Required Solar Capacity (kW)
What it does	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.	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.