Garden City
Natural gas power plant in Finney County, Kansas. 240.3 MW of nameplate capacity across 3 generators, operated by Sunflower Electric Power Corp.
Also known as Garden City Power Plant · EIA plant 1336
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Key facts
- Capacity
- 240.3 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- April 1973First generator online
- Operator
- Sunflower Electric Power CorpEIA operator ID 18315
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 3 SPP nodesResource nodes with prices
- Location
- Finney County, KS37.9703, −100.8956
- EIA plant ID
- 1336EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Garden City produces
Free · EIA-923Net generation, 2025
38.7 GWh
38,652 MWh, final
Capacity factor, 2025
1.7%
2024: 3.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
4.4–100.5
GWh a year. Low 2016, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 179,205 | Not reported | 12 of 12 |
| 2001 | 150,374 | Not reported | 12 of 12 |
| 2002 | 153,401 | Not reported | 12 of 12 |
| 2003 | 87,188 | Not reported | 11 of 12 |
| 2004 | 36,057 | Not reported | 12 of 12 |
| 2005 | 32,503 | Not reported | 12 of 12 |
| 2006 | 115,122 | Not reported | 12 of 12 |
| 2007 | 48,442 | Not reported | 12 of 12 |
| 2008 | 75,628 | Not reported | 12 of 12 |
| 2009 | 65,576 | Not reported | 12 of 12 |
| 2010 | 57,907 | 2.5% | 12 of 12 |
| 2011 | 69,838 | 3.0% | 12 of 12 |
| 2012 | 120,415 | 5.1% | 12 of 12 |
| 2013 | 53,722 | Not reported | 12 of 12 |
| 2014 | 30,763 | 1.4% | 12 of 12 |
| 2015 | 100,452 | 4.5% | 12 of 12 |
| 2016 | 4,382 | 0.2% | 12 of 12 |
| 2017 | 38,155 | 1.7% | 12 of 12 |
| 2018 | 40,575 | 1.8% | 12 of 12 |
| 2019 | 74,505 | 3.3% | 12 of 12 |
| 2020 | 8,768 | 0.4% | 12 of 12 |
| 2021 | 11,441 | 0.5% | 12 of 12 |
| 2022 | 28,490 | 1.3% | 12 of 12 |
| 2023 | 79,545 | 3.5% | 12 of 12 |
| 2024 | 68,218 | 3.0% | 12 of 12 |
| 2025 | 38,652 | 1.7% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 CAMPDCO₂, 2025
Not reported
US short tons. 2024: Not reported
SO₂, 2025
0
US short tons
NOx, 2025
50
US short tons
1 of 3 EPA units reported CO₂ in 2025 (S-2, S-4, S-5), matched to EIA plant 1336 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
47
million gallons
Consumption, 2024
25
million gallons
Source
Wells
Ground, Fresh. Induced-draft tower
Watershed stress
Moderate · 0.436
USGS SUI, HUC12 Garden City-Arkansas River
12 of 12 cooling months report withdrawal. Groundwater user; SUI describes surface water and is context only. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| S2 | Natural Gas Steam Turbine | 97.9 | April 1973 |
| S4 | Natural Gas Fired Combustion Turbine | 71.2 | May 1976 |
| S5 | Natural Gas Fired Combustion Turbine | 71.2 | July 1979 |
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 Sunflower Electric Power Corp as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Garden City
More plants operated by Sunflower Electric Power Corp
Questions about Garden City
How much power does Garden City produce?
Garden City reported 38,652 MWh (38.7 GWh) of net generation in 2025, a 1.7% capacity factor on 240.3 MW of nameplate capacity.
Where is Garden City?
Garden City is in Finney County, Kansas, at 37.9703, −100.8956. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Garden City?
EIA-860M for August 2026 lists Sunflower Electric Power Corp as the operator (EIA operator ID 18315). The operator is not always the owner.
When did Garden City start operating?
Its first generator began operating in April 1973, according to EIA-860M.
Does InfraMap have power prices for Garden City?
Yes. InfraMap has SPP day-ahead and real-time prices at 3 price nodes linked to Garden City, 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)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page