Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/56941
EIA plant 56941
Marseilles · LaSalle · IL
Grand Ridge Wind Energy Center
Operated by Invenergy Services LLC
Published location
Where is Grand Ridge Wind 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.
41.226900, -88.683600
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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 IL 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.
145,747
248,315
365,703
466,547
532,273
638,134
715,022
815,083
917,680
1048,327
1147,984
1244,733
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 | 45,747 |
| 2 | 48,315 |
| 3 | 65,703 |
| 4 | 66,547 |
| 5 | 32,273 |
| 6 | 38,134 |
| 7 | 15,022 |
| 8 | 15,083 |
| 9 | 17,680 |
| 10 | 48,327 |
| 11 | 47,984 |
| 12 | 44,733 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 45,747 MWh |
| 2 | 48,315 MWh |
| 3 | 65,703 MWh |
| 4 | 66,547 MWh |
| 5 | 32,273 MWh |
| 6 | 38,134 MWh |
| 7 | 15,022 MWh |
| 8 | 15,083 MWh |
| 9 | 17,680 MWh |
| 10 | 48,327 MWh |
| 11 | 47,984 MWh |
| 12 | 44,733 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 1 | Onshore Wind Turbine | WND | 99 | OP |
| 2 | Onshore Wind Turbine | WND | 51 | OP |
| 3 | Onshore Wind Turbine | WND | 49.5 | OP |
| 4 | Onshore Wind Turbine | WND | 10.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
56941
Sector
IPP Non-CHP
Water source
Unavailable
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 Grand Ridge Wind 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 Grand Ridge Wind Energy Center
Variation in the published months
Across 12 numeric monthly generation entries, 4 has the highest recorded value (66,547 MWh) and 7 the lowest (15,022 MWh). Their difference is 51,525 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 4 numeric rows displayed in this table, MW ranges from 10.5 (4) to 99 (1). The difference is 88.5 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 |
|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | 99.0 | 99.0 | 99.0 | 0.0 |
| 2 | Onshore Wind Turbine | 51.0 | 51.0 | 51.0 | 0.0 |
| 3 | Onshore Wind Turbine | 49.5 | 49.5 | 49.5 | 0.0 |
| 4 | Onshore Wind Turbine | 10.5 | 10.5 | 10.5 | 0.0 |
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.