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US electric utility Commonwealth Edison (ComEd) has announced a plan to expand a 765 kV substation to add 2.45GW of renewables in Illinois. 

The project can demonstrate how large amounts of solar and batteries can be integrated with microgrids.

After a backlash from Illinois governor Bruce Rauner and his administration, ComEd and Exelon verbally agreed on Tuesday to ditch some of the most controversial provision in their Future Jobs Energy bill, including the mandatory demand charge.

Illinois utility groups Exelon/ComEd are attempting to pass a legislative energy bill that would implement a mandatory demand charge and could result in “the largest rate hike in US history”, according to Dave Lundy from the BEST Coalition.