Solar for Colorado horse properties

The house is often the smallest part of the load. A 1/2-hp well pump draws around 1 kW running with a 2–3× startup surge, and it cycles all day for stock tanks and wash racks. Stock-tank de-icers run 250–1,500 W each and stay on most of the winter; three tanks can add 400–900 kWh a month in January. Arena lighting, a heated tack room, fans in the barn, an automatic waterer’s heat trace, and a shop with a welder round it out.

That load profile favors solar, because a lot of it is daytime and year-round. It also means a horse-property system is often 10–15 kW rather than the 6–8 kW a suburban house takes, and that a single meter serving house and outbuildings is the simplest setup. If the barn is on a second meter, we’ll look at whether the utility allows aggregation or whether two smaller systems make more sense.

A pole barn or indoor arena has a big, unshaded metal roof, and standing-seam metal is the best solar surface there is: clamps grab the seam with no penetrations. Corrugated or ribbed metal works with sealed brackets. The question is whether the barn’s framing carries the added load; older pole barns with widely spaced purlins sometimes need reinforcement, and we check that before promising a layout.

On acreage, a ground mount is the other easy answer. A row of panels along a fence line, out of the horses’ reach, can be tilted and oriented ideally and cleared of snow with a push broom. It costs more per watt than a roof mount, but it avoids any question about the barn and keeps the array away from hay dust and hoof traffic. Fence it or set it back; horses will scratch on anything.

Trenching to the meter is the main variable in a ground-mount quote. A 300-foot run to the house panel is routine; longer runs push toward a larger conductor and a higher price, and we’ll tell you where the break-even lands.

Most of Colorado’s horse country is co-op territory. Elbert County and much of Douglas is CORE Electric; the north metro and parts of Weld are United Power; Falcon, Peyton and Black Forest are Mountain View Electric; Berthoud and Wellington are Poudre Valley REA. State law requires co-ops to offer net metering to at least 10 kW residential and 25 kW commercial (C.R.S. 40-9.5-118), but how they credit surplus and what they charge per kW above that is up to each co-op.

That matters for sizing. Some co-ops carry excess generation over month to month and true up annually at an avoided-cost rate well below retail, so an array sized to overproduce is wasted. Some have separate rate classes or fees for systems above 10 kW. We read your co-op’s current tariff before we size, and we design to the point where the credit rules stop rewarding more panels. Verify the tariff yourself too; they change.

Horses drink 8–12 gallons a day, more in heat, and a frozen or dry tank is an emergency within hours. When the co-op line goes down in a February wind storm, the well pump stops and the de-icers go cold. A battery with a backup-loads panel that carries the well pump, tank de-icers, a barn light circuit and the house essentials keeps the property running through a day-long outage and recharges from the array the next morning.

Sizing is about surge and duration. A Powerwall 3 or SigenStor handles the pump’s startup surge comfortably. One 13.5 kWh battery runs a cycling well pump, two de-icers and house basics for most of a day; two batteries or a generator-ready setup covers multi-day storms. If you already own a generator, the battery bridges the gap until you start it and lets it run only when needed.

The Colorado 10% state income-tax credit on residential battery purchases applies for tax years through 2026, and residential batteries are exempt from state sales tax through 2032, as of September 2026. Confirm the specifics with your tax advisor.