Top of the World Windpower Project
Wind power plant in Converse County, Wyoming. 200 MW of nameplate capacity across 1 generator, operated by Deriva Energy.
Also known as Top of the World · EIA plant 57327
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 200 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- October 2010First generator online
- Operator
- Deriva EnergyEIA operator ID 65411
- Grid
- PACEBalancing authority PACE
- Price nodes
- None linkedNo verified ISO node
- Location
- Converse County, WY42.9258, −105.7872
- EIA plant ID
- 57327EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Top of the World Windpower Project produces
Free · EIA-923Net generation, 2025
496 GWh
495,841 MWh, final
Capacity factor, 2025
28.3%
2024: 19.4%
January to July 2026
331 GWh
Provisional
Range, 2015 to 2025
254.8–627.1
GWh a year. Low 2023, high 2016
| 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 | 149,024 | Not reported | 3 of 12 |
| 2011 | 679,217 | 38.8% | 12 of 12 |
| 2012 | 660,722 | 37.6% | 12 of 12 |
| 2013 | 641,411 | 36.6% | 12 of 12 |
| 2014 | 641,297 | 36.6% | 12 of 12 |
| 2015 | 570,027 | 32.5% | 12 of 12 |
| 2016 | 627,052 | 35.7% | 12 of 12 |
| 2017 | 614,930 | 35.1% | 12 of 12 |
| 2018 | 542,231 | 30.9% | 12 of 12 |
| 2019 | 548,878 | 31.3% | 12 of 12 |
| 2020 | 539,770 | 30.7% | 12 of 12 |
| 2021 | 401,313 | 22.9% | 12 of 12 |
| 2022 | 404,226 | 23.1% | 12 of 12 |
| 2023 | 254,753 | 14.5% | 12 of 12 |
| 2024 | 341,574 | 19.4% | 12 of 12 |
| 2025 | 495,841 | 28.3% | 12 of 12 |
| 2026 (provisional, partial year) | 331,070 | 32.5% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| TOTW1 | Onshore Wind Turbine | 200.0 | October 2010 |
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 Deriva Energy 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 Top of the World Windpower Project
More plants operated by Deriva Energy
Questions about Top of the World Windpower Project
How much power does Top of the World Windpower Project produce?
Top of the World Windpower Project reported 495,841 MWh (496 GWh) of net generation in 2025, a 28.3% capacity factor on 200 MW of nameplate capacity. From January to July 2026 it reported 331 GWh, which is provisional.
Where is Top of the World Windpower Project?
Top of the World Windpower Project is in Converse County, Wyoming, at 42.9258, −105.7872. It is in the PacifiCorp - East balancing area (PACE).
Who operates Top of the World Windpower Project?
EIA-860M for August 2026 lists Deriva Energy as the operator (EIA operator ID 65411). The operator is not always the owner.
When did Top of the World Windpower Project start operating?
Its first generator began operating in October 2010, according to EIA-860M.
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)
- Project names from the USGS U.S. Wind Turbine Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page