Assembly Solar III — Plant Summary
- EIA Plant ID
- 64196
- Capacity
- 79 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Shiawassee, MI
- Operating Since
- 2022
- Generators
- 1
- Operator
- Assembly Solar III, LLC
- Parent Company
- —
- Annual Generation
- 164,992 MWh
- Capacity Factor
- 23.8%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Assembly Solar III
OperatingSolar
Ranked #25 of 85 Solar plants in MI#934 of 7447 nationally
79 MW Solar operating in Shiawassee, MI — Midcontinent Independent Transmission System Operator, Inc..
EIAGEMWD
79 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Location
Coordinates
43.0227, -83.9427
County
Shiawassee, MI
Nearby Plants
- Assembly Solar ProjectSolar50 MW · 0.2 km
- Assembly Solar II LLCSolar110 MW · 2.7 km
- Venice Resources Gas RecoveryLandfill Gas1.6 MW · 5.0 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 | Assembly Solar III, LLC | Ranger Power | — |
| Owner(s) | Assembly Solar III, LLC | Ranger Power [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Ranger Power [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Assembly Solar III is a 79 MW solar photovoltaic power plant located in Shiawassee County, Michigan. The plant began operating in 2022 and is owned and operated by Assembly Solar III, LLC. It utilizes single-axis tracking technology to maximize solar energy capture. The facility is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and resides within the ReliabilityFirst Corporation (RFC) NERC region.
In its most recent year of operation, Assembly Solar III generated 164,992 MWh of electricity, achieving a capacity factor of 23.8%. The plant holds a rank of 25 out of 84 solar facilities in Michigan and is ranked 761 out of 7108 nationally. Financial data indicates a power purchase agreement (PPA) price of $33.3 per MWh, based on data from Lawrence Berkeley National Laboratory (LBNL).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
4.9K MWh
Latest Month
165.0K MWh
Annual Generation
23.8%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$33.5/MWh
LCOE (Levelized Cost)
$33.3/MWh
PPA Price
$31.3/MWh
Energy Value
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Goss Substation · 345 kV
Substation Distance
0 km
Operator
ITC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
CONS.ASSEMBLY3
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
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