The Illinois Power Agency says deploying three gigawatts of battery storage technology could save Ameren and ComEd customers $13.4 billion over 20 years.

The Illinois General Assembly will have three days of session this week to figure out the best way to add energy to the grid and lower utility bills.

As the clock ticks closer to the start of veto session, Central and Southern Illinois lawmakers are becoming skeptical of a massive energy plan.

State lawmakers are reviewing multiple proposals to help lower utility bills and increase energy capacity during veto session.