Lexington Hills sits inland, missing both the abrasive granite grit off the foothills corridor and the river cottonwood that films panels in the Two Rivers area. That makes the soiling here ordinary and the output recovery predictable — which is the honest thing to say about it.
What lands on these arrays is the ordinary valley mix: windblown dust, spring tree and grass pollen, a wildfire-smoke film most late summers, and sprinkler throw on anything mounted low. That happens to be the exact soiling profile that solar output research is built around, which means a cleaning here produces a fairly predictable recovery rather than a dramatic one. We would rather set that expectation honestly than imply a wash will transform your production. No abrasive granite means the method has a little more margin for error here too — though we still flood before contact.
Set back from the river or not, Lexington Hills runs on the same untreated pressurized irrigation that feeds nearly every Eagle subdivision off the canal system. On a low-mounted array that water carries silt along with dissolved calcium and magnesium, so overspray dries as a gritty mineral film rather than a clean spot — and unlike dust, it returns on a schedule set by your sprinkler timer. If your array is in throw range, the most cost-effective fix is usually adjusting the head, not shortening the cleaning interval. We will say so if that is what we find.
The soiling on these arrays is the standard valley mix — windblown dust, spring pollen, a wildfire-smoke film most late summers, and sprinkler overspray on anything mounted low. That is the soiling profile solar output studies are actually built around, which means a cleaning here produces a fairly predictable recovery rather than a dramatic one. We would rather set that expectation honestly than imply a wash will transform your production numbers.
Arrays mounted low — ground mounts, shop roofs, single-story planes — sit right in the path of pressurized irrigation. Eagle runs untreated canal water rather than treated culinary supply, so that overspray carries silt along with dissolved calcium and magnesium, and it dries into a gritty mineral film rather than a clean water spot. That film is harder to lift than dust and it comes back every watering cycle, which is why arrays in sprinkler range need a different service interval than a high roof plane does. We will tell you which yours is.
Arrays are quoted per array after a look at the roof. Given the lighter load out here, an annual clean genuinely covers most systems in this neighborhood, and the standard two-story rooflines keep access straightforward rather than requiring estate-level reach. The exception is any array catching irrigation overspray. Every wash is 100% pure deionized water with no soap, so nothing is left behind to attract dust or raise a question with your installer.
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No, and we will not pretend they do. Inland arrays miss the decomposed-granite grit that re-soils foothills panels within days of a dry windy stretch. An annual clean covers most systems here — unless yours is sitting in sprinkler throw, which is the one thing that loads on its own schedule.
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 — Lexington Hills 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.
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