Gratiot Wind Energy Project is a 212.8MW onshore wind power project. It is located in Michigan, the US. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in June 2012.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Onshore 212.8 212.8 Active Michigan, the US Gratiot Wind


The project was developed by Gratiot Wind. DTE Energy, GE Financial Services and Invenergy are currently owning the project.

The project supplies enough clean energy to power 50,000 households. The project cost is $440m.

The project has 100m high towers.

Development Status

The project is currently active. The project got commissioned in June 2012.

Power Purchase Agreement

The power generated from the Gratiot Wind Energy Project (Gratiot Wind Energy Project II) is sold to DTE Energy under a power purchase agreement for a period of 20 years from 2012. The contracted capacity is 110.4MW.

Contractors Involved

GE Renewable Energy was selected as the turbine supplier for the wind power project. The project consists of 133 units of 1.6-82.5 turbines, each with 1.6MW nameplate capacity.

Duke Energy Power Services and EDF Renewable Services have provided O&M services for the project.


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.