49th largest plant in Wyoming · 4233rd nationally
Happy Jack Windpower Project is a wind power plant in Wyoming with a nameplate capacity of 29.4 MW. It generates roughly 58.7k MWh per year — enough to power about 5,590 average U.S. homes.
Its capacity factor of 23% reflects intermittent or peaking operation.
| Plant Name | Happy Jack Windpower Project |
|---|---|
| Operator | Duke Energy Renewables Services |
| City | Cheyenne |
| County | Laramie County |
| State | Wyoming |
| ZIP | 82009 |
| Coordinates | 41.13972, -104.99778 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| HJW01 | Onshore Wind Turbine | Wind | 29.4 MW | Operating | 2008 |
| Owner | Location | Share |
|---|---|---|
| Duke Energy Degs Happy Jack | Charlotte, NC | 10000.0% |
Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.
| NERC Region | WECC |
|---|---|
| Balancing Authority | Western Area Power Administration Ugp West |
Wind farms harvest kinetic energy from moving air using large rotor blades coupled to generators. Like solar, they produce zero emissions but vary with weather. Onshore wind capacity factors typically run 30–45%; offshore can exceed 50%.