Washington, DC · Updated 2026

How Much Does Solar Panel Installation Cost in Washington, DC?

Average solar panel installation costs in Washington range from $36,491 to $49,370. Get a free, customized estimate below.

35% above national averageFree · No Signup Required

Solar Panel Installation Cost Breakdown — Washington, DC

ItemUnitQtyUnit PriceTotal
Solar Panels (per kW)kW10$3375.00$33750.00
Inverter & Mounting Hardwarelump sum1$2430.00$2430.00
Roof Racking & Prepsq ft400$4.05$1620.00
Labor & Electrical Integrationhr40$128.25$5130.00
Estimated Total$42,930.00

* Prices are estimates based on Washington market rates. Actual costs may vary based on project specifics.

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Line total$33,750

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Frequently Asked Questions — Solar Panel Installation in Washington

How much does solar panel installation cost in Washington, DC?

The average cost for solar panel installation in Washington, DC ranges from $36,491 to $49,370, depending on project scope, materials, and labor rates. Washington costs are above the national average due to higher labor and material costs in the region.

How do I get a free solar panel installation estimate in Washington?

Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly.

What factors affect solar panel installation costs in Washington?

Key factors include project size and complexity, material quality, labor rates in Washington (DC), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.