Solar Panel Cost in Juneau, AK

Estimated costs and savings for ZIP code 99801 — updated for 2026

Urgent tax credit deadlines

  • Section 48E phase-out completes December 31, 2027 — projects must be placed in service by then (515 days left).
See the full deadline tracker

Gross Cost

$26,600

7kW system

Annual Savings

$1,672

$139/month

Payback Period

15.9 yrs

Break-even

Peak Sun Hours

3.5

hrs/day avg

Solar System Cost Breakdown — Juneau, AK

Estimated costs and savings for different residential solar system sizes in ZIP 99801. Costs based on AK average of $3.80/W and utility rate of $0.22/kWh.

SystemCostSavings/yrPayback
4 kW$15,200$95615.9 yrs
5 kW$19,000$1,19415.9 yrs
6 kW$22,800$1,43315.9 yrs
7 kW(typical)$26,600$1,67215.9 yrs
8 kW$30,400$1,91115.9 yrs
10 kW$38,000$2,38915.9 yrs

Solar Production in Juneau, Alaska

Average Peak Sun Hours

3.5 hours/day

Lower solar resource — longer payback but still viable

Est. Annual Production (7kW)

7,601 kWh

Based on 3.5 PSH × 7kW × 365 days × 85% efficiency

Average Utility Rate

$0.22/kWh

High utility rates make solar especially valuable

Cost Per Watt in AK

$3.80/W

Above national avg — get multiple quotes

Solar Panel FAQ — Juneau, AK

How much do solar panels cost in Juneau, AK?
A typical 7kW solar system in Juneau, AK (ZIP 99801) costs approximately $26,600 before any incentives. This works out to about $3.80 per watt installed. Smaller systems start around $15,200, while larger 10kW systems can cost up to $38,000.
How long is the solar payback period in Juneau?
The average solar payback period in Juneau, AK is approximately 15.9 years for a 7kW system. With estimated annual savings of $1,672, the system pays for itself and then generates free electricity for the remaining 15-20+ years of its lifespan.
How much can I save with solar panels in 99801?
Homeowners in Juneau, AK (ZIP 99801) can save approximately $139 per month or $1,672 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $41,800, depending on utility rate increases.
How many peak sun hours does Juneau get?
Juneau, AK receives an average of 3.5 peak sun hours per day. This is below the national average, making solar still viable but with longer payback in this area.
What size solar system do I need for my home in Juneau?
The average home in Juneau, AK needs a 7kW solar system to offset their electricity usage. The exact size depends on your monthly electric bill, roof orientation, and available space. A 7kW system would produce approximately 7,601 kWh annually in ZIP 99801.

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Written & reviewed by

Jeremy Wolfe — Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.