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162 MW Solar operating in Gilliam, OR — Avangrid Renewables LLC
162 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Coordinates
45.5363, -120.1754
County
Gilliam, OR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avangrid Power LLC | Avangrid Renewables | — |
| Owner(s) | Avangrid Power LLC | Avangrid | — |
| Status | Operating | operating | — |
Montague Solar is a 162 MW solar photovoltaic power plant located in Gilliam County, Oregon. The plant, which began operating in 2023, utilizes fixed-tilt solar tracking technology. It is owned and operated by Avangrid Power LLC, a subsidiary of Avangrid. The plant's balancing authority is Avangrid Renewables LLC, and it operates within the Western Electricity Coordinating Council (WECC) NERC region. Montague Solar is the fourth-largest solar plant in Oregon out of seven, and ranks 322nd nationally out of 639 solar plants.
In its most recent year of operation, Montague Solar generated 379,178 MWh of electricity, achieving a capacity factor of 26.7%. The plant has a reported power purchase agreement (PPA) price of $38.38 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL). The plant has been the subject of 10 news articles, covering topics such as grid impacts, regulatory issues, deals, and industry trends.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
Bilateral Market
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
7.2K MWh
Latest Month
379.2K MWh
Annual Generation
26.7%
Capacity Factor
Data from 2023
$38.4/MWh
PPA Price
$37.1/MWh
LCOE
This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Montague SolarAvangrid Renewables LLC (AVRN)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP