Basic
$130 – $303 per project
Panels washed with purified water and a soft brush from a water-fed pole

Professional cleaning of a residential rooftop solar array (about 15-30 panels) in one visit.
Clean Solar Panels in Wilmington, Delaware typically costs $153 to $357 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Wilmington are 4.0% higher than the national average for clean solar panels.
National average: $150 – $350 per project
$130 – $303 per project
Panels washed with purified water and a soft brush from a water-fed pole
$153 – $357 per project
Panels hand-washed with soft brushes and purified water, bird droppings softened and removed, frames rinsed
$191 – $446 per project
Panels washed with purified water, spot-free rinse, frames and edges detailed, debris cleared under array edges, photo report
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $65 – $153 | job |
| Labor | labor | $58 – $136 | job |
| Supplies & Other | supplies | $17 – $41 | job |
| Equipment & Disposal | equipment | $12 – $27 | job |
Rooftop solar panel array on the sloped roof of a white house
Photo: Mike Spasoff · CC BY 2.0 · Source
Find a pro to do thisClean flat-roof solar panels tilted on mounting racks in sunlight
Photo: Port of San Diego · CC BY 2.0 · Source
Find a pro to do thisLabor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local clean solar panels contractors in Wilmington for personalized quotes based on your specific project.