Sleeping Bear is a 94.5MW onshore wind power project. It is located in Oklahoma, the US. The project is currently active. It has been developed in single phase. Post completion of construction, the project got commissioned in August 2007.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Onshore 94.5 94.5 Active Oklahoma, the US Chermac Energy; Edison International


The project was developed by Chermac Energy and Edison International. The project is currently owned by Clearway Energy with a stake of 100%.

The project supplies enough clean energy to power 28,000 households. The project cost is $186.638m.

Development Status

The project is currently active. The project got commissioned in August 2007.

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Power Purchase Agreement

The power generated from the project is sold to Public Service Company of Oklahoma under a power purchase agreement for a period of 25 years. The contracted capacity is 94.5MW.

Contractors Involved

Suzlon Energy was selected as the turbine supplier for the wind power project. The company provided 45 units of S88-2.1 MW turbines, each with 2.1MW nameplate capacity.

About Chermac Energy

Chermac Energy Corp (Chermac Energy) is an oil and gas company that offers petroleum engineering services. The corporation offers services such as project management, oil and gas lease property operations and management, and petroleum engineering services, among others. Its project management services comprise acquiring productive locations, drilling, providing interconnection services, and transmission services, among others. Chermac Energy also constructs, designs, and maintains oil and gas pipelines for gas pressure and saltwater. The corporation offers its services to oil, wind, and gas sectors. It also acquires and develops oil and gas properties in Oklahoma and Texas, the US. Chermac Energy is headquartered in Edmond, Oklahoma, the US.

About Edison International

Edison International (Edison) is an energy holding company. Through its subsidiaries, it generates and distributes electricity and invests in and provides energy services and technologies, including renewable power. The company produces electricity using hydro, diesel, liquid petroleum gas, natural gas, nuclear and solar sources. Under power purchase agreements, Edison also purchases electricity from third-party producers and utilities. Through its subsidiaries, Edison provides comprehensive energy solutions to commercial and industrial users, that enable them to meet their sustainability and risk goals. It supplies and delivers electricity to commercial, residential, agricultural, industrial, and public authorities and other customers in central, coastal and southern California excluding the city of Los Angeles and certain other cities. Edison is headquartered in Rosemead, California, the US.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.