How much does 380v4 kilowatt solar power cost

How much does a 4 kW solar panel cost?

A 4 kW solar panel system costs $11,200 in 2025 before incentives. A 4 kW solar panel system produces about 5,808 kWh of electricity annually, but the exact amount depends on where you live and how much sun you get. DIYing a 4 kW solar panel system usually isn't your best bet: You're much better off hiring a professional solar company.

How much does a solar system cost per watt?

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.

How much energy does a 4 kW solar system generate?

A 4 kW solar panel system generates approximately 5,808 kWh of electricity each year. That’s enough to keep 106 TVs running, power 4 refrigerators, or meet the energy needs of a small household (the average U.S. shopper on EnergySage needs about 12 kW of solar). But what else could it do?

How much does a 4 kW solar panel cost in 2025?

In 2025, a 4 kW solar panel system costs around $11,200 before incentives, based on real installation data from across the country. But your actual price will depend on factors like your roof’s complexity, local labor costs, the equipment you choose, and what incentives are available in your area.