Temperance Solar, LLC — Plant Summary
- EIA Plant ID
- 63322
- Capacity
- 20 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Monroe, MI
- Operating Since
- 2020
- Generators
- 1
- Operator
- National Grid Renewables
- Parent Company
- —
- Annual Generation
- 40,039 MWh
- Capacity Factor
- 22.8%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Temperance Solar, LLC
OperatingSolar
Ranked #42 of 85 Solar plants in MI#1603 of 7447 nationally
20 MW Solar operating in Monroe, MI — Midcontinent Independent Transmission System Operator, Inc..
EIAGEMWD
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2020
Operating Since
Location
Coordinates
41.7534, -83.5237
County
Monroe, MI
Nearby Plants
- Bay View Cogeneration FacilityLandfill Gas12 MW · 7.9 km
- Bay View Backup Power FacilityNatural Gas12 MW · 7.9 km
- FirstEnergy Bay ShoreDistillate Oil187 MW · 9.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | National Grid Renewables | National Grid Renewables | — |
| Owner(s) | National Grid Renewables | National Grid Renewables [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as National Grid Renewables [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Temperance Solar, LLC is a 20 MW solar photovoltaic power plant located in Monroe County, Michigan. The plant, which began operating in 2020, utilizes single-axis tracking technology to maximize solar energy capture. It is owned and operated by National Grid Renewables. As of the most recent data, Temperance Solar ranks as the 43rd largest solar plant in Michigan (out of 84) and 1477th nationally (out of 7108).
The plant's latest annual generation was 40,039 MWh, resulting in a capacity factor of 22.8%. Temperance Solar operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, which is part of the ReliabilityFirst Corporation (RFC) NERC region. Financial data is available for the plant, sourced from Lawrence Berkeley National Laboratory (LBNL) solar energy research.
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
46 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
1.1K MWh
Latest Month
40.0K MWh
Annual Generation
22.8%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$54.1/MWh
LCOE (Levelized Cost)
$34.7/MWh
Energy Value
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Node Source
OSM spatial match
Sterns Road SubstationSubstation
Jackman SubstationSubstation
News & Articles (6)Beta
General
Renewable value shines in $1.74B Brookfield deal
In a $1.74 billion transaction announced in February 2025, Brookfield Asset Management Ltd. is buying National Grid Renewables LLC,...
S&P Global·10 months ago
Deals·m and a
Renewable value shines in $1.74B Brookfield deal
In a $1.74 billion transaction announced in February 2025, Brookfield Asset Management Ltd. is buying National Grid Renewables LLC,...
Brookfield Asset Management Ltd. (buyer)National Grid Renewables LLC (seller)
S&P Global·10 months ago
General
National Grid Renewables breaks ground on 117 MW solar project in Ohio
The Sycamore Creek Solar project will deliver clean energy to the PJM grid when complete.
pv magazine USA·1 years ago
General
Construction begins on Sycamore Creek solar project in Ohio, US
National Grid Renewables has commenced construction at the Sycamore Creek solar project in Crawford County, Ohio, US.
Energy Monitor·1 years ago
Last updated 2026-03-26
View all 6 articles