PVWatts Calculator
NREL''s PVWatts ® Calculator Estimates the energy production of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners,
As of publishing, the average cost per watt is $2.84. Most solar companies set the price according to the solar system's wattage. A solar installation's “cost per watt” is a little like the “price per square foot” when you buy a house. It helps compare the value of solar energy systems in different sizes.
Solar panels cost between $0.30 and $0.90 per watt without labor and other fees. Since your typical solar panel system size is 6.5 kW, anticipate spending around $3,900 for the panels alone, or somewhere between $1,950 and $5,900. However, system sizes range from 3 kW to 11 kW, so you could see prices for as little as $900 or as much as $8,800.
The average 6-kW residential solar panel installation is $17,852 before incentives. Learn about cost factors, financing options, tax breaks and more.
Solar panels typically pay for themselves within 5 to 15 years. Factors that influence the payback period include electrical costs, the size and efficiency of your solar system, local incentives and tax credits, sun exposure, net metering, energy consumption and maintenance costs. How much do solar panels cost for a 2,000-square-foot home?
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Download detailed specifications for our distributed PV energy storage systems and liquid cooled ESS containers.
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