Capricorn Ridge 4

Sterling and Coke counties, Texas

United States


Technical details

Capricorn Ridge 4 is the final, 112.5-megawatt phase of the Capricorn Ridge Wind Farm, completed in 2008. At 662.5 megawatts of capacity, the full facility is 1 of the biggest US wind projects. It stands 2 miles east of Sterling City in West Texas, straddling Coke and Sterling counties. Altogether, Capricorn Ridge encompasses 407 turbines spread across 52,645 acres of agricultural land.

The turbines feed power to the Electric Reliability Council of Texas power grid, which supplies more than 25 million customers in the state. In 2014, the time period of this offset, Capricorn Ridge 4 avoided the emission of an estimated 168,308 metric tons (185,528 US tons) of carbon dioxide or equivalent greenhouse gases by supplying electricity that otherwise would have been generated by fossil-fuel plants.

Capricorn Ridge also enhances the tax base of Coke and Sterling counties. It boosts the local economy through lease payments to landowners. And it provides jobs to those who service and maintain the turbines.

Cloverly buys offsets that meet accepted standards for being real, measurable, verifiable, permanent, and additional. "Additional" means that the carbon savings would not have happened without the offset project and that the project would not have happened unless it got certified to sell carbon offsets. Verra oversees verification of the Capricorn Ridge project. You can find verification documents at

Projects can produce many offsets during a year. So a project may appear more than once in the Cloverly portfolio. You can tell the year of this offset by the date in the web address: "[number]-months-starting-[month]-[year]." For a list of all the projects in our portfolio and an interactive map, see Learn more about Cloverly at

Total Capacity

112.5 MW

Instrument Type

Carbon Offset

Registry Name