Solar in Alaska costs about $3.15 per watt, so the typical 7.77 kW system runs about $24,476 before incentives. The sun is the weakest in the country, but the power it replaces costs 26.85¢ per kWh, and because co-ops net month by month, the size you choose decides whether that trade pays.
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Your co-op’s rates and your summer usage set your payback: about 19.4 years at Chugach and 11.5 at Golden Valley in our figures. Companies that serve your ZIP quote the final number.
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Alaska’s two meter numbers pull in opposite directions
On paper, Alaska should be a terrible solar state. What paper misses is the other side of the meter.
What a kilowatt of panels makes
3.3 peak sun hours a day, the weakest solar resource in the country.
What each kWh replaces
The statewide average residential rate, well above the national average.
Why surplus power still pays hereEven power you do not use yourself earns unusually high avoided-cost payouts, because the alternative up here is burning expensive fuel. Solar in Alaska is a closer call than the latitude suggests.
Four co-ops serve most Alaska homes, and each files its own solar terms
Alaska’s grid is cooperative-owned. The Regulatory Commission of Alaska’s rules (3 AAC 50.900 through 50.949) apply to utilities that sell 5 GWh a year or more, which covers the major co-ops.
The quiet surprise: avoided-cost ratesGolden Valley credits monthly surplus at 13.726¢ per kWh (September to November 2026), reset every quarter. That is roughly what whole retail rates cost in the South.
Get your co-op’s figures in writingEach co-op files its own avoided-cost rate and any application fees. Confirm them before you sign.
June’s extra power settles in June: how Alaska’s monthly netting works
Residential systems up to 25 kW net against your use at the full retail rate, one month at a time. Summer surplus cannot be banked into January at retail value. A June overproduction month settles in June, at the avoided-cost rate.
An Alaska array makes most of its energy between March and September, under midnight-sun daylight, and very little in the dark core of winter. So the value of your system depends on how much of its output lands inside the same month’s use.
Size conservativelyMonthly netting argues against chasing the biggest array your roof fits. Rates grow a gentle 1.61% a year, so the Alaska case does not lean on escalation. It leans on today’s 26.85¢ being high already.
What $3.15 a watt buys at 61 North, 4 kW to 9 kW
Installation runs $3.15 per watt here, 47th lowest of 51 states, the price of remote logistics and short build seasons. Each size below is gross, before incentives, with what it makes at 954 kWh per kilowatt. For context, see our cost comparisons for all 50 states.
Gross cost at $3.15 per watt, before incentives. Alaska’s Index row is modeled only, so real quotes can differ.
19.4 years at Chugach, 11.5 at Golden Valley: Alaska payback on a 7.77 kW system
Simple payback before incentives, from our per-utility payback file of October 19, 2026. Each case uses the co-op’s own price for power, its surplus credit and the share of output its members reported sending to the grid.
Year-one savings and simple payback before incentives, Chugach member, typical 7.77 kW system
At Golden Valley, 6,416 kWh used at home at 30.986¢ plus 1,020 kWh of surplus at 13.323¢ (its rate from June 1, 2026) save about $2,124 a year, so the same system pays back in about 11.5 years. The surplus shares, 26.6% at Chugach and 13.7% at Golden Valley, are as each co-op reported them to EIA, not measured at your meter. The math counts no upkeep and no price rises. Chugach’s 6.553¢ credit has been on bills since October 1, 2026 and is pending approval. Matanuska and Homer Electric had not posted this quarter’s surplus rate, so rerun the math with the rates on your own bill.
Even surplus pays double-digit centsSurplus here displaces expensive generation, so power you export still earns far more than in most states.
Four ways an Alaska solar purchase goes wrong
At 954 kWh per kW there is little room for error. Watch for these:
- An oversized array. Above the same-month use line, output earns only the avoided rate. Far above it, you have bought hardware to sell power at wholesale-adjacent prices. The 25 kW cap is not a target.
- A shaded or steep north-facing roof. Siting discipline matters more here than anywhere in the country.
- Counting on the federal credit. The residential credit is $0 for host-owned systems finished after December 31, 2025, and Alaska’s third-party market is legally unclear. Model full sticker.
- Skipping the co-op conversation. Avoided-cost rates, fees and interconnection queues differ by co-op and change quarterly. A projection built on another co-op’s numbers is fiction with a spreadsheet.
Check that quotes are right-sized for your co-op
Your co-op’s rates and your summer usage pattern set how close you get to the best case above. Enter your ZIP code to request quotes, then check each against the best case above.
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More Alaska solar reading
Frequently asked questions
How much do solar panels cost in Alaska in 2026?
About $3.15 per watt installed as of September 25, 2026. The typical 7.77 kW system runs about $24,476 before incentives, priced by remote logistics and a short install season.
Does Alaska have net metering?
Yes, monthly. Under RCA rules, systems up to 25 kW net against consumption at the full retail rate within each month, and monthly surplus is credited at the co-op’s avoided-cost rate. There is no annual banking, which makes right-sizing critical.
Is solar worth it in Alaska with so little sun?
Closer than the latitude suggests. Production is the country’s weakest, but the power it replaces costs 26.85¢ per kWh, well above the national average, and even surplus earns double-digit-cent avoided rates at some co-ops. Simple payback before incentives is about 19.4 years at Chugach, the largest co-op, and about 11.5 years at Golden Valley, using each co-op’s own price and surplus credit.
What happens to summer overproduction in Alaska?
It settles in the same month at your co-op’s avoided-cost rate rather than banking into winter. Golden Valley’s rate, for example, is 13.726¢ per kWh for September to November 2026, reset every quarter. That monthly cycle is why Alaskan systems should be sized conservatively.
Which Alaska utilities offer net metering?
The RCA rules bind utilities selling 5 GWh or more a year, which covers the major co-ops: Chugach, Matanuska, Golden Valley, and Homer Electric among them. Each files its own avoided-cost rate and fees, so confirm your co-op’s current terms directly.
How we calculate these costs
Cost figures use Alaska’s entry in the EcoGen Solar Cost Index (September 2026 Edition): $3.15 per watt as of September 25, 2026. The typical 7.77 kW size is modeled from neighboring states, because too few Alaska installs exist to measure a local median. The payback figures come from our per-utility payback file of October 19, 2026: gross cost divided by year-one savings, using each co-op’s 12-month EIA price less its fixed monthly charge, its surplus credit and its reported share of output sent to the grid, with no federal residential credit for host-owned systems, no upkeep and no rate growth.
Sources (7)
- Regulatory Commission of Alaska, 3 AAC 50.900 to 50.949 net metering rules (accessed June 11, 2026): akleg.gov
- Golden Valley Electric Association, SNAP Net Metering Program, avoided-cost credit effective September 1, 2026: gvea.com
- U.S. EIA, Electric Power Monthly, 12-month residential average, August 2025 to July 2026: eia.gov
- U.S. EIA, Form EIA-861, 2024: residential customer counts by co-op: eia.gov
- U.S. Census Bureau, American Community Survey, 2024: census.gov
- IRS, One, Big, Beautiful Bill Provisions (Public Law 119-21, Section 25D termination): irs.gov
- DSIRE, Third-Party Solar PV Power Purchase Agreement Policies, May 2026: ncsolarcen-prod.s3.amazonaws.com
