Falcon Crest is built around its own golf course, and arrays on fairway-facing homes catch fine turf-chemical mist and clipping dust off professionally maintained greens. That residue is tackier than canal silt, and tacky is worse than dusty on a panel.
Course maintenance applies fertiliser, wetting agents and turf treatments as fine mists, and some drifts onto fairway-adjacent roofs. Unlike dry mineral dust, this residue has a slightly oily, tacky character, so it adheres to panel glass and then holds clipping dust, pollen and airborne soil rather than letting rain carry them off. An array with a tacky base film soils progressively faster rather than reaching an equilibrium, which is why fairway-side panels need more attention than street-side ones.
A tacky film repels water to a degree, so rain moves surprisingly little of it and a hose tends to smear it across the glass instead of lifting it. It needs a treatment that releases the film so the whole load can be flooded away with pure deionized water, which dries leaving nothing behind. Nothing abrasive touches the anti-reflective coating, because scratching that coating costs output permanently and is a worse outcome than the film.
Mowing throws fine clipping dust, and it arrives tied to the maintenance schedule rather than steadily, heaviest through the growing season. Organic material on hot panel glass also bakes on rather than staying loose. Practically that means fairway-facing arrays want attention during and after the main season rather than on a fixed calendar date, and it is worth mentioning if your roof faces a fairway or a green directly.
Panels are flooded with pure deionized water, which has had its dissolved solids stripped so it lifts soiling and dries with nothing left behind, which matters because any mineral spot on a panel shades a cell. No soap is used, since soap residue is itself adhesive and would accelerate the next round of soiling on a surface already prone to it. Solar panel cleaning is quoted by array size.
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Fine turf-chemical mist off the course, from fertiliser, wetting agents and turf treatments applied as mists. It has a slightly oily character, so it adheres to the glass and then holds clipping dust, pollen and soil rather than letting rain carry them off.
Because a tacky film repels water to a degree, so rain moves little of it and a hose tends to smear it across the glass. It needs a treatment that releases the film so the whole load can be flooded away with deionized water.
Usually noticeably, and progressively so. A tacky base film means the array soils faster over time rather than reaching an equilibrium, because each new layer of clipping dust and pollen sticks rather than blowing clear.
During and after the main growing season rather than on a fixed date, because clipping dust arrives in bursts tied to the mowing schedule. If your roof faces a fairway or green directly, mention it, since proximity makes a real difference.
No. Soap residue is itself adhesive and would accelerate the next round of soiling on a surface already prone to holding material. Panels are flooded with pure deionized water, which dries leaving nothing behind at all.
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