Marshall Solar Plus LLC — Plant Summary
- EIA Plant ID
- 67545
- Capacity
- 15 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Lyon, MN
- Operating Since
- 2024
- Generators
- 2
- Operator
- Western Minnesota Mun Pwr Agny
- Parent Company
- —
- Annual Generation
- 539 MWh
- Capacity Factor
- 0.4%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Marshall Solar Plus LLC
OperatingBESSSolarHybrid
Ranked #11 of 540 Solar plants in MN#1872 of 7447 nationally
15 MW Batteries (5 MW) + Solar Photovoltaic (10 MW) operating in Lyon, MN — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
15 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Location
Coordinates
44.4699, -95.7792
County
Lyon, MN
Nearby Plants
- Marshall (MN)Distillate Oil18 MW · 2.8 km
- Marshall Solar Energy ProjectSolar62.3 MW · 9.3 km
- Marshall Wind 4 LLCWind4.2 MW · 15.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Western Minnesota Mun Pwr Agny | — | — |
| Owner(s) | Western Minnesota Mun Pwr Agny | — | — |
| Status | Operating | operating | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Marshall Solar Plus LLC is a 15 MW hybrid power plant located in Lyon County, Minnesota. The facility, which began operating in 2024, is owned and operated by Western Minnesota Municipal Power Agency. The plant utilizes both solar photovoltaic technology and battery energy storage. It consists of two generators and features single-axis solar tracking. The battery energy storage system (BESS) has a capacity of 30.6 MWh, providing a duration of 6.12 hours and employing lithium-ion (LIB) chemistry.
The plant's primary fuel source is listed as "MWH." In its most recent year of operation, Marshall Solar Plus generated 539 MWh, resulting in a capacity factor of 0.4%. The facility operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the MRO NERC region. Marshall Solar Plus is ranked as the largest of 6 hybrid plants in Minnesota and 712th out of 1205 nationally. Financial data is available for the plant from LBNL, and there has been one news article published about the plant in the industry category.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Political Subdivision
Sector
Electric Utility
Generation
468 MWh
Latest Month
539 MWh
Annual Generation
0.4%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$58.0/MWh
LCOE (Levelized Cost)
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
NSP.MMU_1.AZ
Pricing Hub
MINN.HUB
Location Type
Trading Hub
Node Source
Curated node match
News & Articles (1)Beta
Industry·corporate
New solar facility could bring major investments, hundreds of jobs to St. Cloud area
The St. Cloud area may soon see a new addition to its power supply with a unique energy project taking shape along Highway 23 toward Foley.
St. Cloud Times·9 months ago
Last updated 2026-03-14
View all articles