Solar Panel Cost in Portland, OR

Estimated costs and savings for ZIP code 97202 — 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

$21,700

7kW system

Annual Savings

$1,390

$116/month

Payback Period

15.6 yrs

Break-even

Peak Sun Hours

4

hrs/day avg

Solar System Cost Breakdown — Portland, OR

Estimated costs and savings for different residential solar system sizes in ZIP 97202. Costs based on OR average of $3.10/W and utility rate of $0.16/kWh.

SystemCostSavings/yrPayback
4 kW$12,400$79415.6 yrs
5 kW$15,500$99315.6 yrs
6 kW$18,600$1,19115.6 yrs
7 kW(typical)$21,700$1,39015.6 yrs
8 kW$24,800$1,58815.6 yrs
10 kW$31,000$1,98615.6 yrs

Solar Production in Portland, Oregon

Average Peak Sun Hours

4 hours/day

Moderate solar resource — still cost-effective

Est. Annual Production (7kW)

8,687 kWh

Based on 4 PSH × 7kW × 365 days × 85% efficiency

Average Utility Rate

$0.16/kWh

Above-average rates — good solar savings potential

Cost Per Watt in OR

$3.10/W

Near national average for installed cost

Solar Panel FAQ — Portland, OR

How much do solar panels cost in Portland, OR?
A typical 7kW solar system in Portland, OR (ZIP 97202) costs approximately $21,700 before any incentives. This works out to about $3.10 per watt installed. Smaller systems start around $12,400, while larger 10kW systems can cost up to $31,000.
How long is the solar payback period in Portland?
The average solar payback period in Portland, OR is approximately 15.6 years for a 7kW system. With estimated annual savings of $1,390, 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 97202?
Homeowners in Portland, OR (ZIP 97202) can save approximately $116 per month or $1,390 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $34,750, depending on utility rate increases.
How many peak sun hours does Portland get?
Portland, OR receives an average of 4 peak sun hours per day. This is near the national average, making solar a solid investment in this area.
What size solar system do I need for my home in Portland?
The average home in Portland, OR 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 8,687 kWh annually in ZIP 97202.

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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.