3-5 kW Solar Energy Price

On average, a 3.5 kW solar panel system costs $9,625, according to real-world quotes on the EnergySage Marketplace from the first half of 2024. However, your price may differ; solar costs can vary significantly from state to state. The table below should give you an idea of what you can expect to pay for a 3.5 kW solar panel system in your state.

The cost of a 3kW solar system has decreased substantially over the past decade, making it an affordable option for homeowners. On average, the cost for this solar system is around $6,000. This upfront investment will yield significant savings and returns over the system's lifespan.

A 3.5 kW solar panel system produces about 5,082 kWh of electricity annually, but the exact amount depends on where you live and how much sun you get. DIYing a 3.5 kW solar panel system usually isn't your best bet: You're much better off hiring a professional solar company for optimal results. How much does a 3.5 kW solar system cost?

If you want to learn more, check out our full guide to solar panel costs. How much energy will a 3kW solar panel system generate? A 3kW solar panel system in the UK will produce an average annual output of around 2,550kWh, if it's dealing with typical UK irradiance. This means you'll usually produce roughly 85% of your system's peak power output.

The size of a 3kW solar system can be estimated by considering the dimensions of each panel. Typically, a panel occupies an area of 17 square feet. With a total of 10 panels required for a 3kW system, the total footprint of the system would be approximately 170 square feet.

A 3kW solar panel system has a peak output rating of three kilowatts, which means it generates 3,000 kilowatt-hours (kWh) of electricity per year in standard test conditions.