Trust Land Management Division

Wind Energy Development

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Martinsdale Wind Power Project

It is anticipated that the Martinsdale Wind Farm will be similar in appearance to Horizon Wind Energy's Elkhorn Valley Wind Farm near La Grande, Oregon, pictured here.

Martinsdale Wind Farm LLC, a subsidiary of Horizon Wind Energy, working in cooperation with the Montana Department of Natural Resources and Conservation (DNRC) is developing a wind energy facility of up to 300 megawatts known as the Martinsdale Wind Power Project (Project) in central Montana approximately 20 miles west of Harlowton, Montana.

The Project will initially consist of approximately 36 wind turbine generators, possibly expanding to 100 wind turbine generators, an underground and overhead 34.5 kilovolt electrical collection system, a project step-up and interconnect substation, a SCADA communication system, hub height free-standing meteorological towers, transmission lines, and access roads.

Horizon Wind Energy is based in Houston, Texas and has regional offices in Portland, Oregon and Ellensburg, Washington.

A draft Environmental Impact Statement is currently available for review and comment until March 13, 2009.

Environmental Impact Statement

Final Record of Decision (pdf – April 27, 2009)
The Department of Natural Resources and Conservation (DNRC) has determined that the substance of the 87 written comments received from three commenters in response to the Draft Martinsdale Wind Farm Environmental Impact Statement (DEIS) does not require new scientific analysis warranting the publication of a Final Environmental Impact Statement (FEIS). Therefore, the DNRC has adopted the DEIS as the FEIS for the project, pursuant to the process specified in the Administrative Rules of Montana, 36.2.530…

Draft EIS (pdf)
The DNRC presents for your consideration a draft environmental impact statement for a wind energy park proposed by Martinsdale Windfarm LLC for construction on state school trust and private lands five miles northeast of the Town of Martinsdale. This analysis is conducted under the provisions of the Montana Environmental Policy Act…

Appendices

Figures

Appendix A Wildlife Assessment Appendix B Visual Resources Appendix C Monitoring Protocol Appendix D Mitigation Measures

Figure S-1 Regional Location Map Figure 1.1 Regional Location Map Figure 2.2-1 No Action Map Figure 2.2-2 Alternative A Figure 2.2-3 Alternative B Figure 3.1-1 Geology Figure 3.1-2 Soils Figure 3.2-1 Vegetation Figure 3.3-1 Wildlife Figure 3.4-1 Visual Analysis Area Figure 3.4-2 Visual Resources Figure 3.8-1 Cultural Resources Figure 4.3-1 Visual Analysis Figure 4.3-2 Viewpoint 3A Figure 4.3-3 Viewpoint 3B Figure 4.3-4 Viewpoint 5 Figure 4.3-5 Viewpoint 8a Figure 4.3-6 Viewpoint 8B