Flat Ridge 3
Wind power plant in Kingman County, Kansas. 128 MW of nameplate capacity across 1 generator, operated by Invenergy Services LLC.
Also known as Flat Ridge 3 Wind Farm · EIA plant 64407
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 128 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 2021First generator online
- Operator
- Invenergy Services LLCEIA operator ID 49893
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Kingman County, KS37.4470, −98.4002
- EIA plant ID
- 64407EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Flat Ridge 3 produces
Free · EIA-923Net generation, 2025
459 GWh
459,065 MWh, final
Capacity factor, 2025
40.9%
2024: 45.3%
January to July 2026
322 GWh
Provisional
Range, 2022 to 2025
459.1–525.4
GWh a year. Low 2025, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | 36,756 | Not reported | 1 of 12 |
| 2022 | 525,421 | 46.9% | 12 of 12 |
| 2023 | 495,168 | 44.2% | 12 of 12 |
| 2024 | 508,832 | 45.3% | 12 of 12 |
| 2025 | 459,065 | 40.9% | 12 of 12 |
| 2026 (provisional, partial year) | 322,311 | 49.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · SPPEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| FRW3 | Onshore Wind Turbine | 128.0 | December 2021 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Invenergy Services LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Flat Ridge 3
More plants operated by Invenergy Services LLC
Questions about Flat Ridge 3
How much power does Flat Ridge 3 produce?
Flat Ridge 3 reported 459,065 MWh (459 GWh) of net generation in 2025, a 40.9% capacity factor on 128 MW of nameplate capacity. From January to July 2026 it reported 322 GWh, which is provisional.
Where is Flat Ridge 3?
Flat Ridge 3 is in Kingman County, Kansas, at 37.4470, −98.4002. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Flat Ridge 3?
EIA-860M for August 2026 lists Invenergy Services LLC as the operator (EIA operator ID 49893). The operator is not always the owner.
When did Flat Ridge 3 start operating?
Its first generator began operating in December 2021, according to EIA-860M.
Does InfraMap have power prices for Flat Ridge 3?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Flat Ridge 3, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page