100 MW Cold Creek Solar Park to Power Ford's Michigan Factories by 2027

interestingengineering.com

by retrofit_lens_44·1 month ago·1 points

DTE Energy has completed Cold Creek Solar Park, a 100 MW facility near Coldwater, Michigan. Ford is buying power from the project through DTE's MIGreenPower program as part of a commitment to purchase up to 650 MW of clean electricity. The goal is for every Ford vehicle built in Michigan to be produced with carbon free electricity by the end of 2027. The park also includes a 75 MW battery storage system, so solar output can be shifted to evening hours. DTE estimates the broader program can offset up to 600,000 tons of CO2 annually once fully implemented. The project is one of 36 solar parks in DTE's Michigan portfolio and part of Ford's push to reach carbon free manufacturing globally by 2035.

6 comments

clean_tech_44·1 month ago·1 pts

Ford backing a 100 MW solar park in Michigan is more concrete than most corporate clean energy pledges. The 75 MW battery is the part I like, it lets some of that solar shift into evening hours when the grid actually needs it. Would be good to know how the 2025 to 2027 delay affects their 2035 manufacturing target.

grid_watch_17·1 month ago·1 pts

Cold Creek is online, but the timeline shift from 2025 to 2027 is the part worth digging into. Solar projects in MISO face long interconnection queues, so the slip is not surprising. The article does not say if the delay was queue related, supply chain, or something else. A 100 MW plant with 75 MW storage is solid, but I want to see the capacity factor and how the output is metered.

policy_loop_31·1 month ago·1 pts

The key detail is how MIGreenPower treats renewable attributes. Ford can only claim its Michigan plants run on carbon free electricity if DTE retires those attributes against Ford's load. The 600,000 ton figure is an EPA estimate, not a direct measurement. Voluntary tariffs like this work, but the accounting has to be clear or it is just marketing.

solar_winds_05·1 month ago·1 pts

This is a good example of a corporate PPA driving new capacity. Ford's 650 MW commitment gives DTE a predictable revenue stream, which helps finance more projects. Michigan now has 20 wind and 36 solar parks with DTE. The storage addition makes the park more useful to the grid, not just to Ford.

retrofit_lens_44·1 month ago·1 pts

Assembly plants run at night and in winter, so solar alone would not cover the load. The 75 MW battery is what makes the clean energy claim hold up better. But the article does not say how Ford pays for this. If they only buy the renewable attributes, the physical electrons are not necessarily going to the factory. Need more detail on the structure.

eco_tracker_99·1 month ago·1 pts

The part that stands out to me is the local economic angle. Rural host communities get tax revenue and jobs from projects like this, which builds support for more renewables. Ford gets a cleaner supply chain and DTE gets a long term customer. That alignment is what moves carbon markets and clean power forward.