Solar Panel Cleaning

To produce energy at optimum efficiency.

Anything on the surface of the solar PV panels decreases the amount of sunlight (photons) striking the solar cells and will result in decreased energy production. Foreign particulate matter such as dust, weeds, pollen, bird droppings, tree leaves & sap, spider webs, moss or fungus, ash from fires and other contaminates. All of these decrease energy output.

If you live in an area with strong winds, your chances of accumulating dirt will be much higher. Dirt can also be transported through rain as it falls through the atmosphere picking up impurities in the air.

Dirt on black panels is almost impossible to detect. You must have regularly scheduled cleanings, a minimum of two times per year, according to reputable manufacturers.

Try taking a clean white tissue and wiping your car windshield after a rainy day. The dirt left behind is evident. Leaving the dirt to accumulate, it will slowly but surely combine with moisture or other oily substances from the surroundings to form a denser layer of dirt. Regular cleanings will prevent the buildup of dirt. Sap and bird droppings are very destructive. Left to bake in the sun, permanent etching or deep scratching will cause critical damage.

There are a lot of misconceptions in the solar industry about the need for recurring cleanings. Data has only recently been gathered.

Let Welcome protect your bright investment with our Comprehensive 10 Point Cleaning Process for your Solar Panels

  • Visually inspect all components – PV panels, conduits, modules, and electrical wiring components. Log and record all data. Observe and report general roof condition around installation site.
  • Clean away all debris and animal nesting around/under PV panels and components.
  • Dust/clean solar modules inverter(s), load centers, disconnects, conduit, etc.
  • Rinse the panels with clean water to loosen dirt.
  • Apply organic, eco-friendly cleaning agent.
  • Remove all foreign particulate matter such as dust, weeds, pollen, bird droppings, insects, tree sap, moss or fungus, soot from airplanes, ash from fires, vehicle exhaust, and other
  • contaminates with a microfiber cloth or rubber squeegee according to manufacturer specifications.
  • Clean with a water rinse.
  • Perform a final de-ionized water rinse to avoid water spots and leave PV surface spotless and streak-free.
  • Conduct a final site inspection. Haul away all trash as needed. Rinse house, sidewalks if needed. Take photos if necessary to consult with Client on areas of concern.
  • Prepare and submit a comprehensive report of services performed by our technician, as well as a detailed summary of inspection notes.

Call Us !  (925) 288-1911