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740.8 MW Natural Gas operating in Blue Earth, MN — Midcontinent Independent Transmission System Operator, Inc..
740.8 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2006
Operating Since
Coordinates
44.1988, -94.0030
County
Blue Earth, MN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MEC Holdings, LLC | MEC Holdings | — |
| Owner(s) | MEC Holdings, LLC | Trimex International | — |
| Status | Operating | — | — |
Mankato Energy Center is a 740.8 MW natural gas-fired combined cycle power plant located in Blue Earth County, Minnesota. The plant began operating in 2006 and consists of 3 generators. It is owned by Trimex International, a company based in the United Arab Emirates, and operated by MEC Holdings, LLC. The plant is interconnected to the Midcontinent Independent Transmission System Operator (MISO) and is within the MRO NERC region.
In the most recent year of data, Mankato Energy Center generated 2,714,595 MWh of electricity, achieving a capacity factor of 41.7%. It is the largest of 14 natural gas plants in Minnesota, and ranks 280th out of 945 natural gas plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
290.7K MWh
Latest Month
2.7M MWh
Annual Generation
41.7%
Capacity Factor
CO₂ Intensity
895 lb/MWh
NOx
0.064 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
40.7%
Annual Net Gen
2639 GWh
CO₂eq
896 lb/MWh
Subregion
MRO West
2013
$965/kW
Est. Construction Cost
Total estimated cost: $715.0M
Point of Interconnection
Nearest Substation
Wilmarth Substation · 345 kV
Substation Distance
0 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
NSP.CC.MANKAT1
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-04-09
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