Alaska off-grid solar cost

Alaska is the strangest solar market in the United States, and the strangeness is the whole story. A kilowatt of panels here makes less electricity than anywhere else in the country — about 957 kilowatt-hours a year — yet the power it replaces is among the most expensive, at about 27 cents a kilowatt-hour statewide and 35 cents in Fairbanks, and in a roadless village the unsubsidized cost of a kilowatt-hour can pass 80 cents. The panels cost $3.15 a watt installed, a typical 7.77 kW system runs about $24,476 before incentives, and there is no federal credit and no state rebate to take anything off that price in 2026. What decides whether the system pays is not the sun but the co-op on the bill: Alaska’s four big co-ops net your power month by month at full retail, then buy the month’s surplus at their own avoided-cost rate — 13.7 cents at Golden Valley, 6.6 cents at Chugach — and a June surplus can never be banked into a January bill. Payback lands near 19 years at Chugach and near 11 years at Golden Valley, and off the Railbelt, where diesel sets the price and the state equalizes it, the arithmetic changes completely. Every size gets priced here, the cities and the villages get compared, the midnight-sun production curve gets laid out month by month, and the guide finishes by naming the Alaska households that should buy — and the ones that should keep their money for a generator instead.