SPRINGFIELD, Ill. (WAND) — The Illinois Power Agency says deploying three gigawatts of battery storage technology could save Ameren and ComEd customers $13.4 billion over 20 years.

That is one of the main components Democrats hope to see approved under the Clean and Reliable Grid Affordability Act . The legislation would also bring more solar and wind projects online while investing in geothermal technology and empowering state agencies to better plan for energy demand spikes.

Sponsors and advocates told reporters Tuesday this plan could reduce costs and create thousands of good-paying union jobs while strengthening energy efficiency programs. The measure would also establish a virtual power plant program to pool energy from household solar panels paired with battery storage.

"The cha

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