Millican Solar Energy LLC — Plant Summary
- EIA Plant ID
- 63050
- Capacity
- 70 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Crook, OR
- Operating Since
- 2021
- Generators
- 1
- Operator
- Invenergy Services LLC
- Parent Company
- —
- Annual Generation
- 142,911 MWh
- Capacity Factor
- 23.3%
- Balancing Authority
- PacifiCorp - West
- ISO/RTO
- —
- NERC Region
- WECC
Millican Solar Energy LLC
OperatingSolar
Ranked #10 of 149 Solar plants in OR#1195 of 7447 nationally
70 MW Solar operating in Crook, OR — PacifiCorp - West
EIAGEMWD
70 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2021
Operating Since
Location
Coordinates
44.2525, -120.8833
County
Crook, OR
Nearby Plants
- Powell SolarBESS76.4 MW · 0.8 km
- Solar Star Oregon IISolar56.3 MW · 8.1 km
- Gray Hawk SolarSolar55 MW · 8.1 km
Ownership & Operator
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 | Invenergy Services LLC | Invenergy | — |
| Owner(s) | Invenergy Services LLC | Invenergy LLC [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
About
Millican Solar Energy LLC is a 70 MW solar photovoltaic power plant located in Crook County, Oregon. The plant began operating in 2021 and is operated by Invenergy Services LLC. It utilizes single-axis tracking technology to maximize solar energy capture. As of the most recent data, it ranks as the 8th largest solar plant in Oregon out of 147, and 1011th nationally out of 7108. The plant's primary fuel source is the sun.
In its latest year of operation, Millican Solar Energy generated 142,911 MWh of electricity, achieving a capacity factor of 23.3%. The plant operates within the PacifiCorp - West balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates a power purchase agreement (PPA) price of $21.36 per MWh.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
PacifiCorp - West
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
3.7K MWh
Latest Month
142.9K MWh
Annual Generation
23.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$21.5/MWh
LCOE (Levelized Cost)
$21.4/MWh
PPA Price
$25.6/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Invenergy inks PPA for its first solar project in Washington State
Invenergy's Prineville Millican Solar Energy Center in Oregon, similar to its planned Washington project. Photo: Invenergy.
Solar Power World·11 months ago
General
Invenergy inks PPA for its first solar project in Washington State
Invenergy's Prineville Millican Solar Energy Center in Oregon, similar to its planned Washington project. Photo: Invenergy.
Solar Power World·11 months ago
General
Invenergy inks PPA for its first solar project in Washington State
Invenergy's Prineville Millican Solar Energy Center in Oregon, similar to its planned Washington project. Photo: Invenergy.
Solar Power World·11 months ago
General
Invenergy inks PPA for its first solar project in Washington State
Invenergy's Prineville Millican Solar Energy Center in Oregon, similar to its planned Washington project. Photo: Invenergy.
Solar Power World·11 months ago
Last updated 2026-03-26
View all 10 articles