Power plants in Marion County, Oregon

27 operating power plants in Marion County, Oregon, with 158 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

Nameplate capacity

158 MW

Net generation, 2025

320 GWh

Largest

Detroit

100 MW

Largest power plants in Marion County

#	Plant	MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	DetroitHydro	100	227	25.9%	USACE Northwestern Division
2	BristolSolarSolar	3.0	4.5	17.2%	Adapture Renewables, Inc.
3	SulusSolar22Solar	3.0	4.8	18.3%	Adapture Renewables, Inc.
4	OR - Solops - SPI 18 - BelvedereSolar	3.0	5.2	19.8%	Belvedere Solar, LLC
5	Williams Acres SolarSolar	2.5	4.1	18.6%	Neighborhood Power Corp.
6	Carnes Creek Solar (CSG)Solar	2.5	4.4	20.3%	Carnes Creek Solar, LLC
7	Silverton SolarSolar	2.2	3.5	18.3%	SunStrong Management
8	Sheep SolarSolar	2.2	3.6	18.5%	SunStrong Management
9	Interstate SolarSolar	2.2	3.2	16.6%	SunStrong Management
10	Labish Solar LLCSolar	2.2	3.9	20.0%	Labish Solar LLC
11	Rafael SolarSolar	2.2	3.7	19.0%	Rafael Solar LLC
12	Case Creek SolarSolar	2.2	3.7	19.3%	Case Creek Solar LLC
13	Kale Patch SolarSolar	2.2	3.8	19.8%	Kale Patch Solar LLC
14	St Louis SolarSolar	2.2	3.9	20.2%	Neighborhood Power Corp.
15	Pika SolarSolar	2.2	3.4	17.8%	SunStrong Management
16	Brush Creek SolarSolar	2.2	3.1	15.8%	SunStrong Management
17	Drift Creek SolarSolar	2.2	3.1	16.1%	SunStrong Management
18	Bighorn SolarSolar	2.2	3.0	15.8%	SunStrong Management
19	SulusSolar25Solar	2.2	3.3	17.2%	Adapture Renewables, Inc.
20	Salem HenningsenSolar and battery storage	2.1	1.4	15.0%	Lineage Logistics Solar PV - Salem OR
21	SSD Marion 3, LLCSolar	2.0	4.1	23.4%	Thor Solar 1 CEI, LLC
22	SSD Marion 5, LLCSolar	2.0	4.1	23.3%	Thor Solar 1 CEI, LLC
23	SSD Marion 6, LLCSolar	2.0	4.0	22.9%	Thor Solar 1 CEI, LLC
24	SSD Marion 1, LLCSolar	2.0	3.9	22.3%	Thor Solar 1 CEI, LLC
25	River Valley SolarSolar	1.9	2.8	17.0%	Neighborhood Power Corp.
26	Fruitland Creek Solar (CSG)Solar	1.8	2.6	16.7%	Fruitland Creek Solar, LLC
27	GreenparkSolarSolar	1.3	1.9	16.6%	Adapture Renewables, Inc.

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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