Professional Solar Panel Cleaning In The bay area

Maximum efficiency with streak-free solar panel cleaning across the Bay Area

Over time, dust, pollen, bird droppings, and water spots can coat your solar panels, blocking sunlight and reducing efficiency. Not only does this cut into your energy savings, but built-up grime can also shorten the lifespan of your system.

At Willow Wash, we specialize in professional solar panel cleaning for both residential and commercial properties. Our team uses gentle techniques and eco-friendly, biodegradable solutions to safely restore your panels to peak performance — without scratches, streaks, or harsh chemicals.

Whether it’s a rooftop array on your home or a large commercial installation, we handle the job with care to ensure maximum energy output, long-term protection, and a spotless finish. Let us do the hard work so you can enjoy clean, efficient solar panels year-round.

Why Willow Wash Is the Bay Area’s Trusted Solar Panel Cleaning Company?

🤝 Local & Trusted

As a Bay Area business, we take pride in honest work and lasting relationships.

🌱 Eco-Friendly Solutions

We use biodegradable products and water-smart methods that protect your home and the environment.

⏰ Professional & Reliable

We arrive on time, work efficiently, and treat your property with care.

✅ 100% Satisfaction Guarantee

We stand behind our work and don’t consider the job finished until you’re completely satisfied with the results.

Benefits of Solar Panel Cleaning

⚡ Boost Energy Efficiency

Skip the ladders and buckets. We handle the work quickly and efficiently, leaving your windows spotless without the hassle.

🏠 Safe & Professional

No ladders or risks for you — our trained team handles everything safely.

🛡️ Protect Your Investment

Regular cleaning prevents long-term damage and helps panels last longer.

💡 Maximize Savings

Cleaner panels mean lower energy bills and a faster return on your solar investment.

🌿 Eco-Friendly Service

We use biodegradable, non-toxic solutions safe for your home and the environment.

📅 Long-Term Reliability

Routine maintenance keeps your panels performing at their best year after year.

Willow Wash method

  • We begin by assessing your solar panels for dirt, buildup, and access points, ensuring a safe and efficient cleaning process.

  • Using biodegradable solutions and gentle techniques, we carefully remove dust, pollen, and grime without scratching or damaging your panels.


  • We leave your panels streak-free and spotless, helping maximize sunlight absorption and restore peak energy efficiency.

Frequently Asked Questions



  • Most solar panels should be cleaned 1–2 times per year. Homes near trees, dusty roads, or coastal areas may need more frequent service to maintain peak efficiency.

  • Yes. Dirt, dust, and pollen can block sunlight and reduce output. Professional cleaning can restore up to 20% more efficiency, saving you money on energy costs.

  • Absolutely. We use gentle, eco-friendly solutions and low-pressure methods to clean panels without scratching glass, damaging seals, or voiding warranties.

  • Yes. Willow Wash provides residential and commercial solar panel cleaning across the Bay Area, from single-family homes to large solar arrays.

Stop Your Search — Willow Wash Has Your Solar Panels Covered

Maximum Efficiency, Lasting Protection

Your solar panels should be generating clean energy — not covered in dust, pollen, or water spots. At Willow Wash, we restore performance with eco-friendly, professional solar panel cleaning that keeps your system working at its best.

Regular cleanings not only maximize energy output, they also protect your panels from long-term wear and damage so they last for years to come. With Willow Wash, you’ll get safe service, careful attention to detail, and results that help you get the most from your investment.