Summary of Electricity Activity in Washington County, OR
Summary of Washington County, OR Generation
Washington County, OR is ranked #2,111 out of 2,192 U.S. counties nationwide and #31 out of 31 Oregon counties in terms of total annual net electricity generation.
| Annual Generation | 1.5 GWh |
|---|---|
| Annual Consumption | 142.7 k MMBtu |
| Last Update | Jun 2026 |
| Power Plants | 6 |
| Companies on File | 5 |
Map of Top Producing Plants in Washington County, OR
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Annual Net Generation From solar power
7.6 GWh
National Rank in Terms of solar Net Electricity Generation
#991 /1,318 U.S. Counties
State Rank in Terms of solar Net Electricity Generation
#18 /23 Oregon Counties
Monthly Net Generation for Washington County, OR
Monthly Plant Fuel Consumption for Washington County, OR
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| Other Biomass Gas | #1 / 2 | #26 / 52 | 8.16 GWh | 116.12 k MMBtu |
| Solar | #18 / 23 | #991 / 1318 | 7.60 GWh | 26.58 k MMBtu |
| All | #31 / 31 | #2111 / 2192 | 1.45 GWh | 142.70 k MMBtu |
Power Plants in Washington County, OR
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Durham AWTF | Clean Water Services | 8.2 GWh | 116.1 k MMBtu | Other Biomass Gas |
| MilfordSolar OR | Adapture Renewables, Inc. | 4.2 GWh | 14.8 k MMBtu | Solar |
| O'Neill Creek Solar | O'Neill Creek Solar LLC | 3.4 GWh | 11.8 k MMBtu | Solar |
| Coffee Creek BESS | Portland General Electric Co | -1.0 GWh | 0 MMBtu | No Information Available |
| Constable BESS | Portland General Electric Co | -13.3 GWh | 0 MMBtu | No Information Available |
| Tualatin Battery Energy Storage System | TUAL bn, LLC | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #774 | Clackamas County | 826.4 GWh | 38 |
| #781 | Clark County | 812.4 GWh | 2 |
| #1348 | Clatsop County | 184.6 GWh | 2 |
| #236 | Columbia County | 5.9 TWh | 3 |
| #349 | Cowlitz County | 3.7 TWh | 6 |
| #1039 | Marion County | 438.4 GWh | 31 |
| #321 | Multnomah County | 4.1 TWh | 8 |
| #1777 | Polk County | 25.8 GWh | 10 |
| #975 | Skamania County | 503.6 GWh | 1 |
| #1595 | Yamhill County | 73.9 GWh | 15 |
Electricity Generation for Cities Located in Washington County, OR
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #86 | Forest Grove, OR | 4.2 GWh | 1 |
| #94 | Gaston, OR | 3.4 GWh | 1 |
| #80 | Tigard, OR | 8.2 GWh | 1 |