Portland General Electric / PGE
Investor-owned utility
About 20¢/kWh, plus a ~$16 monthly fixed charge. Energy Trust incentives apply.
PGE rates and solar rulesPortland Metro · Clackamas County
Solar panel and battery installation in Lake Oswego, Oregon
Solar and battery systems sized to Lake Oswego sun and PGE rates, designed and installed by a local Oregon crew.
1,116kWh per kW / year (NREL)
PGEMain utility
EligibleEnergy Trust
6Our installs in Lake Oswego
Clackamas County
Going solar in Lake Oswego
A south-facing solar system in Lake Oswego produces about 1,116 kWh per installed kW each year, according to NREL's PVWatts model. A home using about 11,000 kWh a year needs roughly 9.9 kW (24 panels) here, and a 7.5 kW system offsets about $1,674 of PGE energy charges in its first year.
Lake Oswego homes gain value and energy independence with premium solar and battery systems.
Portland's reputation for rain hides how productive its summers are. Most of the year's solar output comes from May through September, and net metering banks that surplus for winter bills.
PGE serves the Portland metro, much of the north Willamette Valley and Salem. Its optional Time of Day plan prices on-peak power (5 to 9 p.m.) highest, which is where battery storage earns its keep.
National Solar has completed 6 projects in Lake Oswego, so our crews already know Clackamas County permitting and PGE interconnection here.
Local production data
How much solar produces in Lake Oswego
July is the strongest month at about 1,193 kWh; December is the weakest at 248 kWh. Net metering carries summer surplus into winter.
285Jan
435Feb
608Mar
803Apr
960May
983Jun
1193Jul
1065Aug
870Sep
585Oct
338Nov
248Dec
| Jan | 285 kWh |
|---|---|
| Feb | 435 kWh |
| Mar | 608 kWh |
| Apr | 803 kWh |
| May | 960 kWh |
| Jun | 983 kWh |
| Jul | 1193 kWh |
| Aug | 1065 kWh |
| Sep | 870 kWh |
| Oct | 585 kWh |
| Nov | 338 kWh |
| Dec | 248 kWh |
- System to offset a typical home
- 9.9 kW
- Panels (430 W)
- 24
- 7.5 kW annual output
- 8,370 kWh
- First-year energy savings
- $1,674
Utilities
Lake Oswego's electric utility
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- Under 9¢
- 9–11¢
- 11–13¢
- 13–17¢
- 17¢+
Shaded by each county's primary utility. Faded counties aren't served by PGE.
How it works
One free estimate. Two ways to get it.
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Local FAQ
Lake Oswego solar questions
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Sources and method
Production: NREL PVWatts v8 (NSRDB weather data) at Lake Oswego's U.S. Census coordinates (45.414, -122.700), 1 kW, 20° tilt, south-facing, 14% system losses. Rates: average residential energy charges reported by each utility. Install counts: National Solar project records. Data updated 2026-10-20. Your roof's direction, shading and usage change the numbers, so your free assessment uses your actual address and bills.