What Is Growing on My Solar Panels? Algae, Lichen, and Coastal Buildup Explained
What Is Growing on My Solar Panels? Green, white, gray, or crusty-looking spots on solar panels may be algae, lichen, moss, coastal residue, bird droppings, or hardened environmental buildup. In coastal areas like San Diego, Del Mar, Solana Beach, Encinitas, Oceanside, and surrounding communities, moisture, marine air, pollen, dust, and…




