HBPU and power agency exploring local generation Don Reid HBPU and power agency considering local generation Hillsdale has joined Coldwater Board of Public Utilities to move forward to possibly build a 50-megawatt gas powered turbine planned as part of a 100-MW plant at Coldwater. Michigan South Central Power Agency and Michigan Public Power Agency have asked the Midwest Independent System Operator to continue its study for cost of grid connection improvements needed. There are numerous issues to address simultaneously before a decision comes on construction of the plant. For now, three members of MSCPA will look to purchase power through 2023, but will examine possible cost savings and advantages for getting peak power instate from its own generators in the future.