How much does solar cost in 2025?

In 2025, residential solar costs average around $2.56 per watt before incentives, with most systems ranging from $2.56 to $3.03 per watt. Factors affecting cost per watt include: Individual solar panels cost between $120 and $200 for a standard 400-watt panel when purchased as part of a complete system.

How much do solar panels cost?

The price of solar panels changes depending on where you live, but the average for installation is just under $29,000 or $2.75 per watt. On the high end, we talked to a solar customer in Hawaii who spent $100,000 going solar. Dion in Nevada said their 10-kW system cost about $20,000, which is about the national average price for a 7-kW system.

How much does a commercial solar system cost?

Commercial solar systems cost 15-25% less per watt than home systems. Businesses usually see faster payback than homeowners because they use more power during daylight hours and can take advantage of tax benefits. Total cost before incentives: $2.30-$2.80 per watt ($23,000-$70,000)

How much does solar cost per watt?

The industry standard measurement for comparing solar costs is price per watt ($/W). In 2025, residential solar costs average around $2.56 per watt before incentives, with most systems ranging from $2.56 to $3.03 per watt. Factors affecting cost per watt include:

How much does solar installation cost?

On the high end, we talked to a solar customer in Hawaii who spent $100,000 going solar. Dion in Nevada said their 10-kW system cost about $20,000, which is about the national average price for a 7-kW system. What else affects solar installation costs?

How much does a solar inverter cost?

Inverter: A solar inverter converts the generated DC electricity into AC electricity that can be used to power your home. The cost of an inverter depends on its size and efficiency, but these devices typically cost between $1,000 and $3,000. Mounting system: This is what holds rooftop solar panels in place.