Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/56104
EIA plant 56104
Mankato · Blue Earth · MN
Mankato Energy Center
Operated by MEC Holdings, LLC
Published location
Where is Mankato Energy Center?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.198800, -94.003000
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the MN plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
1150,349
2227,410
3155,896
490,385
5147,944
6240,614
7396,921
8390,790
9255,139
10120,866
11247,602
12290,679
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 150,349 |
| 2 | 227,410 |
| 3 | 155,896 |
| 4 | 90,385 |
| 5 | 147,944 |
| 6 | 240,614 |
| 7 | 396,921 |
| 8 | 390,790 |
| 9 | 255,139 |
| 10 | 120,866 |
| 11 | 247,602 |
| 12 | 290,679 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 150,349 MWh |
| 2 | 227,410 MWh |
| 3 | 155,896 MWh |
| 4 | 90,385 MWh |
| 5 | 147,944 MWh |
| 6 | 240,614 MWh |
| 7 | 396,921 MWh |
| 8 | 390,790 MWh |
| 9 | 255,139 MWh |
| 10 | 120,866 MWh |
| 11 | 247,602 MWh |
| 12 | 290,679 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| STG1 | Natural Gas Fired Combined Cycle | NG | 360 | OP |
| CTG2 | Natural Gas Fired Combined Cycle | NG | 192.1 | OP |
| CTG1 | Natural Gas Fired Combined Cycle | NG | 188.7 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
56104
Sector
IPP Non-CHP
Water source
City of Mankato POTW
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Mankato Energy Center power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Mankato Energy Center
Variation in the published months
Across 12 numeric monthly generation entries, 7 has the highest recorded value (396,921 MWh) and 4 the lowest (90,385 MWh). Their difference is 306,536 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 188.7 (CTG1) to 360 (STG1). The difference is 171.3 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 188.7 | 187.0 | 210.0 | 120.0 |
| CTG2 | Natural Gas Fired Combined Cycle | 192.1 | 167.0 | 205.0 | 120.0 |
| STG1 | Natural Gas Fired Combined Cycle | 360.0 | 300.0 | 305.0 | 75.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.