Is Solar Worth It in Oregon in 2026?
Oregon is not one solar climate, it's two. West of the Cascades, Portland and the Willamette Valley — where most Oregonians live — get only about 144 sunny days a year, among the cloudiest metro areas in the country. East of the mountains, high-desert Bend gets roughly 162 sunny days, and Klamath Falls, which markets itself as the "City of Sunshine," sees 250 to 300. That split changes solar math here more than in almost any other state, since the same panels on the same roof produce very differently depending on which side of the state you're on.
Layer 2026 on top of that, and the picture gets more complicated. The 30 percent federal tax credit that used to anchor "solar pays for itself" pitches ended for systems completed after December 31, 2025. Oregon's own state tax credit sunset in 2017 and was never replaced — what's left are capped, first-come-first-served cash rebates that can run out in days. Add a below-average rate (15.4¢/kWh) and full retail-rate net metering, and you get a state where solar can still work, but where the numbers deserve a harder look than a salesperson's slide deck.
Oregon Electricity Prices Have Climbed Fast
Solar is a bet on future electricity prices — every kilowatt-hour your roof makes is one you don't buy from the utility. Oregon's price trend is a big part of why solar gets pitched here: rates have more than doubled over the past 20 years.
Full Oregon electricity price data (1990–2025)
| Year | Oregon (¢/kWh) | US avg (¢/kWh) |
|---|---|---|
| 1990 | 4.7 | 7.8 |
| 1991 | 4.8 | 8.0 |
| 1992 | 4.9 | 8.2 |
| 1993 | 5.0 | 8.3 |
| 1994 | 5.3 | 8.4 |
| 1995 | 5.5 | 8.4 |
| 1996 | 5.7 | 8.4 |
| 1997 | 5.6 | 8.4 |
| 1998 | 5.8 | 8.3 |
| 1999 | 5.8 | 8.2 |
| 2000 | 5.9 | 8.2 |
| 2001 | 6.3 | 8.6 |
| 2002 | 7.1 | 8.4 |
| 2003 | 7.1 | 8.7 |
| 2004 | 7.2 | 9.0 |
| 2005 | 7.3 | 9.5 |
| 2006 | 7.5 | 10.4 |
| 2007 | 8.2 | 10.7 |
| 2008 | 8.5 | 11.3 |
| 2009 | 8.7 | 11.5 |
| 2010 | 8.9 | 11.5 |
| 2011 | 9.5 | 11.7 |
| 2012 | 9.8 | 11.9 |
| 2013 | 9.9 | 12.1 |
| 2014 | 10.5 | 12.5 |
| 2015 | 10.7 | 12.7 |
| 2016 | 10.7 | 12.6 |
| 2017 | 10.7 | 12.9 |
| 2018 | 11.0 | 12.9 |
| 2019 | 11.0 | 13.0 |
| 2020 | 11.2 | 13.2 |
| 2021 | 11.4 | 13.7 |
| 2022 | 11.4 | 15.0 |
| 2023 | 12.7 | 16.0 |
| 2024 | 14.7 | 16.5 |
| 2025 * | 15.4 | 17.3 |
Source: US EIA, average residential retail electricity price. Values in cents per kWh. * 2025 is preliminary.
Oregon residential electricity averaged about 15.4¢ per kWh in 2025 (EIA preliminary), up roughly 112 percent since 2005 — one of the steepest climbs of any state, even though the rate today is still below the national average. Over the last decade the pace has run about 3.7 percent a year, faster than general inflation. That trend, more than the current rate itself, is the real argument for solar in Oregon: a system installed today is judged less by what electricity costs this month than by what it's likely to cost in year 10 or 20.
The Oregon Sun: Latitude, Clouds, and the Cascade Divide
Oregon sits at a northern latitude — Portland is around 44.6°N, roughly level with Toronto — so the sun angle is lower and winter days shorter than in the Sun Belt. But latitude is only half the story. The bigger factor is where the clouds sit.
Oregon monthly solar production data
| Month | kWh per installed kW |
|---|---|
| Jan | 52 |
| Feb | 66 |
| Mar | 84 |
| Apr | 101 |
| May | 116 |
| Jun | 111 |
| Jul | 136 |
| Aug | 131 |
| Sep | 113 |
| Oct | 81 |
| Nov | 52 |
| Dec | 44 |
| Year | 1085 |
Source: NREL PVWatts typical-year estimate (Portland), per installed kW at latitude tilt.
West of the Cascades — Portland, Salem, Eugene, most of the Willamette Valley — winters are grey and wet, and even summer mornings can be overcast before burning off by afternoon. East of the Cascades, Central and Eastern Oregon sit in a rain shadow: Bend and Klamath Falls get dramatically more clear days and shorter payback for the identical system. A statewide estimate of roughly 1,085 kWh per installed kW per year (Portland-area PVWatts modeling) is a reasonable planning number for the west side — expect noticeably higher output east of the mountains. Ask your installer for an estimate modeled on your specific address, not a generic state figure.
What Solar Costs in Oregon in 2026
Oregon installs run a little cheaper than the national average: about $2.48 to $2.52 per watt statewide in 2026 (EnergySage puts Portland metro at the low end, around $2.48/W). Systems also run larger than the national norm — about 12.3 kW average, reflecting bigger roofs and higher whole-home electric usage (heat pumps, EVs) in a state with limited natural gas in newer homes.
| System Size | Typical 2026 Cost | Roughly Offsets | Fits |
|---|---|---|---|
| 5 kW | $12,400 to $12,600 | ~5,400 kWh/yr west side (~$70/mo at 15.4¢) | Smaller home, lower usage |
| 8 kW | $19,800 to $20,200 | ~8,700 kWh/yr west side (~$112/mo) | Average Oregon home, west side |
| 12 kW | $29,800 to $30,200 | ~13,000 kWh/yr west side (~$167/mo) | Large home, heat pump or EV load |
These figures already reflect the post-federal-credit environment, so the price you negotiate is close to what you pay before state and utility rebates. Oregon has no general state sales tax — one of five states with none — so there's no sales tax on your equipment either way; that's a structural feature of Oregon's tax code, not a solar-specific perk.
Estimate Your Oregon Payback
The calculator below is set to Oregon's average electricity rate and typical west-side sun production. Enter your own monthly bill to see an estimated system size, payback period, and 25-year savings. Oregon rates have grown about 3.7 percent a year over the last decade — a reasonable starting point for the inflation field, though drag it lower for a conservative estimate.
Oregon Solar Incentives in 2026: No Credit, Just Rebates
Let's separate what's gone from what's actually here.
- Gone — the 30 percent federal credit: The federal Residential Clean Energy Credit ended for installations completed after December 31, 2025, with no phase-out. If a quote still assumes it, the rest of the pitch is out of date too.
- Gone since 2017 — Oregon's state tax credit: The old Residential Energy Tax Credit (RETC), worth $1.30/W up to $6,000, sunset permanently at the end of 2017 and was never replaced. Oregon shifted entirely to a rebate model instead.
- Still here — Oregon Solar + Storage Rebate Program: A state cash rebate, not a credit: standard tier runs $0.20-$0.50/W (up to 40 percent of net cost, capped at $5,000), plus a separate storage rebate; a low/moderate-income tier pays up to $1.80/W (up to 60 percent, capped at $5,000). Funding is limited — the program reopened June 15, 2026 with $1.1 million available and was fully claimed within days, then closed again with only a waitlist open. Treat timing as unpredictable, not a guarantee.
- Still here — Energy Trust of Oregon: A utility-funded incentive for PGE and Pacific Power customers (roughly $1,100/kW up to $6,600 for PGE; roughly $900/kW up to $5,400 for Pacific Power) that stacks with the state rebate.
- Partially — leases and PPAs: Third-party-owned systems can still capture a separate federal business credit through 2027, but it belongs to the leasing company — sometimes that lowers your lease payment, sometimes it just pads their margin.
Marketing claims of "up to $12,000 in Oregon incentives" usually stack every program at once — state rebate, Energy Trust, and storage — for an income-qualified household with a battery. That's a real ceiling for some, not a typical outcome for an average buyer.
Net Metering in Oregon
Oregon requires full retail-rate net metering under ORS 757.300 and OAR 860-039, and every utility — investor-owned, municipal, or co-op — has to offer it, for systems up to 25 kW residential. Pacific Power's currently effective tariff (Schedule 135) credits exported energy "at the full retail rate for each rate component on the bill," and PGE operates under the same statutory framework. In plain terms: a kWh you send to the grid on a sunny July afternoon is worth the same as one you buy back on a foggy December evening.
One real exception, since a few installer blogs get it wrong: PGE's annual true-up each March forfeits leftover, unused credits to a low-income bill-assistance program at a lower avoided-cost rate. That narrow mechanic — not your regular monthly export credit — is the only place avoided-cost pricing applies. PGE has also floated a future reform proposal with a reported 20-30 percent credit reduction and a 10-year grandfather clause, but as of mid-2026 that remains a proposal, not an approved change. Confirm the current tariff with your utility before you sign anything.
Property Taxes and the East-West Divide
Oregon fully excludes the value solar adds to your home from property tax assessment (ORS 307.175) — your home is worth more, but your tax bill doesn't rise. One detail worth flagging if you're timing a purchase: this exemption is scheduled to phase out for systems installed after July 1, 2029. Systems installed before that date keep the exemption for life, so there's no urgency yet, but it's a calendar worth watching.
The bigger factor in most Oregon decisions is still geography. A system in Klamath Falls or Bend, in the high-desert rain shadow east of the Cascades, produces meaningfully more power per installed kW than the identical system in Portland — which changes payback more than any single incentive here. Ask specifically how your quote's production estimate accounts for your side of the state.
How to Go Solar in Oregon
Work through these steps in order before you commit.
- Pull your last 12 power bills and find your average monthly cost — Oregon's rate is below average, so a modest bill may mean a longer payback than in a high-rate state.
- Note which side of the Cascades you're on. West-side (Portland, Salem, Eugene) buyers should model conservatively; east-side (Bend, Klamath Falls) can expect stronger production.
- Check whether the Oregon Solar + Storage Rebate Program has an open funding round, or join the waitlist.
- Ask your utility (PGE or Pacific Power) what Energy Trust incentive currently applies, since it stacks with the state rebate.
- Get at least three quotes and confirm each reflects 2026 reality, with no phantom federal credit baked in.
- Confirm your roof has 10 to 15 years left before adding panels — see our roofing guide — and have an electrician check your panel can handle the interconnection; see our electrical guide.
For the full picture of how panels work, sizing, and buying versus leasing, read our main solar panels guide. It covers the technology in depth, while this page focuses on what's specific to Oregon.
Sources
Figures on this page are 2026-current. Rates: US EIA, Electric Sales, Revenue, and Average Price (2025 preliminary). Production: NREL PVWatts. Net metering: Oregon PUC and Pacific Power's Schedule 135 tariff. Property tax: ORS 307.175 and OAR 150-307-0210. Rebate program: Oregon Solar + Storage Rebate Program, retired RETC history, and DSIRE Oregon. Cost data: EnergySage Oregon. Sunny-days data: Current Results. We review these figures every six months.