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

Solar Lease vs Buy Calculator

Compare the true 20-year cost of leasing solar panels versus buying them outright with tax credits. Use this calculator before signing a lease agreement to see which option saves more money.

Solar System Purchase Price ($)

Monthly Lease Payment ($)

Lease Down Payment ($)

Tax Credit (Purchase Only) (%)

Lease Annual Escalator (%)

Analysis Period (years)

Fill in the required fields to see your result.

Solar Energy

Solar Panel Output Calculator

Calculate the daily energy output (kWh) of a solar panel from its rated wattage, daily peak-sun hours, and efficiency. Use it during system sizing or to estimate production from a specific panel under your local sunlight conditions.

Panel Wattage (W)

Peak Sun Hours (hours)

System Efficiency (%)

Fill in the required fields to see your result.

Key differences

	Solar Lease vs Buy Calculator	Solar Panel Output Calculator
Category	Solar Energy	Solar Energy
Inputs required	6	3
Result	Buying Advantage ($)	Daily Energy Output (kWh)
What it does	Compare the true 20-year cost of leasing solar panels versus buying them outright with tax credits. Use this calculator before signing a lease agreement to see which option saves more money.	Calculate the daily energy output (kWh) of a solar panel from its rated wattage, daily peak-sun hours, and efficiency. Use it during system sizing or to estimate production from a specific panel under your local sunlight conditions.