The dirt on a Dry Creek Ranch array is decomposed granite — sharp, mica-flecked, pushed onto the house by afternoon wind off cheatgrass ground. It behaves like very light sandpaper on panel glass, which makes how a panel gets cleaned up here more important than how often.
Fine agricultural loess off the cropland further south smears when you drag something wet across it. The grit up here does not smear — it scratches, because it is sharp-edged and mica-flecked rather than soft and powdery. On a window that means a bad clean leaves fine hairlines you can see in raking light. On a solar panel it means the same hairlines, except they scatter light into the cell permanently and you pay for them in output every sunny day for the rest of the array's life. Flooding first, brushing only where flooding will not lift a deposit, is the whole method.
Arrays up here sit on custom-home elevations at the top of the valley's wind gradient, on roof planes that are steeper and higher than the production homes downhill. Two consequences. First, quoting is about reach rather than panel count, so we look at the roof rather than guessing from the system size. Second, the soiling cycle is faster than a sheltered lot — wind delivers fresh grit most dry afternoons, so an interval that works in a downtown Eagle backyard leaves you dirty up here. We will tell you what your specific placement actually needs.
The grit rolling off the decomposed-granite ground up here is sharp and mica-flecked rather than fine and powdery. On a panel that matters twice over: it cuts output by scattering light, and it will scratch the glass if anyone scrubs it dry or runs a brush over it without flooding it first. Scratches on panel glass are permanent and they cost you output for the life of the array. We flood the surface with pure deionized water before anything touches it, use a soft brush only where the water alone will not lift a deposit, and leave no soap film — soap residue on a panel is a dust magnet and a warranty question at once.
The custom and semi-custom elevations here put arrays on steeper pitches and higher planes than a single-story ranch does, so the work is planned rather than improvised — pole-fed pure water from the ground where the geometry allows it, and proper roof access only where the pitch and footing honestly permit. Nobody walks a steep array field to save time. We look at the roof before quoting because the reach, not the panel count, is usually what sets the number.
Arrays are quoted per array, after a look. On what interval depends entirely on where yours sits: a high plane out of sprinkler range in a sheltered pocket can often go a year, while an exposed plane taking wind off open ground wants attention more often than that. What we will not do is sell you a fixed cycle sight unseen. Every wash uses 100% pure deionized water and no soap, which leaves nothing on the glass for the next afternoon's grit to bond to.
Free, no-obligation quote — we'll call or text you with your price.
Get My Free QuoteStill wondering about something? Call or text us at (208) 453-6760.
Yes, but with a realistic interval rather than an optimistic one. An exposed foothills array genuinely re-soils faster than a sheltered lot, so the right answer is a cycle matched to your placement — not annual because that is the default, and not quarterly because it sounds thorough.
Enough to matter on a soiled array, and we will give you a straight answer rather than a number we cannot stand behind. Uniform dust costs a few percent; a bonded organic or mineral film costs more because it shades cells unevenly. If shade rather than soiling is your problem, we will say so.
No. 100% pure deionized water, no soap. Soap residue left on panel glass attracts the next round of dust and can raise a warranty question with your installer, so there is nothing to be gained by it.
It depends where the array sits. A high roof plane out of sprinkler range often goes a year comfortably; anything in irrigation overspray or under real tree cover wants attention more often. We will tell you which yours is at the quote instead of selling you a fixed cycle.
Yes — Dry Creek Ranch is one of the Eagle neighborhoods we cover, along with the rest of the city from the foothills down to Chinden. Call or text (208) 453-6760 and we will tell you the next open slot.
Our 7-Day Rain Guarantee covers it. Rain on already-clean glass is mostly harmless — it is the dust it lands on that spots. If a storm undoes the work inside seven days, we come back.
Free, no-obligation quote. Next-day slots available.
Get My Free Quote