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All MPSC workgroup meetings are being conducted via teleconference. Remote access information for upcoming meetings is available on our calendar of events.
Public Act 235 establishes a statewide energy storage target of 2,500 MW. By Dec. 31, 2029, IOUs will need to file petitions for approvals related to the storage target and Alternative Electric Suppliers will need to file plans for how they will comply with the target. Investor-Owned Utilities (IOUs) are required to begin filing annual storage no later than Dec. 31, 2024.
On February 8, 2024, the Commission initiated Case No. U-21571 to undertake the work required to develop the storage targets and provide guidance on the required annual storage reports.
Implementation Status: In Process
Lead Staff: Jon DeCooman
On February 8, 2024, the Commission issued an Order in Case No. U-21571 issuing guidance for Public Act 235 of 2023, Sections 11(1)-(9) and 103.
Staff filed its straw proposal methodology for determining a utility or alternative electric supplier’s proportional share of the statewide minimum energy storage target in the docket for Case No. U-21571 on May 29, 2024. Staff is hosting a public engagement meeting to review and solicit feedback on its straw proposal at 9:30 a.m. on June 12, 2024. Interested persons may also provide feedback on the straw proposal by filing comments on the docket for Case No. U-21571 by 5:00 p.m. on August 1, 2024.
In addition, the Commission directed Staff to develop a report about long-duration energy storage and multi-day energy storage as discussed in Case No. U-21571. The Commission also directed rate-regulated utilities to file individual energy storage reports in accordance with the Commission guidance in U-21571.
Staff's Storage Target Straw Proposal
Meeting Event | Agenda | Presentation | Recording