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Retired in December 2024, according to EIA. Last listed as operating or planned in January 2026. EIA-860M · Sep 2026
13.1 MW Muni. Waste in MARION, OR
13.1 MW
Nameplate Capacity
1
Generators
unit
Municipal Solid Waste
Technology
1986
Operating Since
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Coordinates
45.0485, -122.9628
County
MARION, OR
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Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Covanta Marion Inc | Reworld Marion Inc | — |
| Owner(s) | Covanta Marion Inc | EQT | — |
| Status | Retired | operating | — |
Covanta Marion Inc is a 13.1 MW waste-to-energy power plant located in Marion County, Oregon. The plant began operating in 1986 and utilizes municipal solid waste (MSW) as its primary fuel source. It consists of a single generator and is operated by Covanta Marion Inc, a subsidiary of the Swedish company EQT. The plant is interconnected to the grid within the Portland General Electric Company balancing authority, operating within the Western Electricity Coordinating Council (WECC) NERC region.
Covanta Marion Inc is the largest waste-to-energy plant in Oregon, ranking 1 out of 1 in the state. Nationally, it ranks 50 out of 56 similar facilities. The plant has been the subject of 9 news articles, with a focus on regulatory (7 articles) and industry (2 articles) topics.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Portland General Electric Company (PGE)
Grid Voltage
57.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
2392 lb/MWh
NOx
7 lb/MWh
SO₂
4 lb/MWh
CH₄
2 lb/MWh
N₂O
0.201 lb/MWh
Capacity Factor
42.5%
Annual Net Gen
49 GWh
CO₂eq
2488 lb/MWh
Subregion
WECC Northwest
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $45.8M
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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