Company: AILIM
Filing Date: 2025-08-04
Form Type: 10-Q
Source: 0001002910-25-000112
Chunk: 76

Company: Ameren Illinois Co
Filing Date: 2025-08-04
Form: 10-Q
Item: Part I, Item 1
Chunk 76
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 transmission level voltage to comply with additional tariff terms. The additional terms include a minimum service term of 15 years, minimum demand charges of 70% of contracted capacity, customer exit terms and fees, and customer credit and collateral requirements, among other terms. In addition, new customer programs would be available under this tariff, which allows customers to support renewable generation, battery storage, or nuclear generation through incremental payments. A decision by the MoPSC is expected by February 2026.

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Generation and Storage FacilitiesAmeren Missouri is party to agreements to acquire and/or construct various generation and storage facilities that are consistent with the 2025 Change to the 2023 PRP. The generation and storage facilities are eligible for recovery under the PISA. The following table provides information with respect to each facility:Agreement typeFacility sizeStatus of MoPSC CCNIn-service date(a)Vandalia Solar Project(b)Self-build50-MWApproved March 2024Fourth quarter 2025Bowling Green Solar Project(b)Self-build50-MWApproved March 2024First quarter 2026Split Rail Solar Project(b)Build-transfer(c)300-MWApproved March 2024Mid-2026Castle Bluff Natural Gas Project(d)Self-build800-MWApproved October 2024Fourth quarter 2027Big Hollow Battery Energy Storage ProjectSelf-build400-MWFiled June 2025(e)Second quarter 2028Big Hollow Natural Gas ProjectSelf-build800-MWFiled June 2025(e)Third quarter 2028(a)In-service dates are dependent on the timing of regulatory approvals and construction completion, among other things.(b)These projects collectively represent approximately $0.8 billion of capital expenditures.(c)FERC approval of acquisition received November 2024.(d)This project represents approximately $0.9 billion of capital expenditures.(e)Ameren Missouri expects a decision by the MoPSC in the first half of 2026.MISO Long-Range Transmission Projects CCNIn 2022, the MISO approved the first tranche of projects related to a preliminary long-range transmission planning roadmap of projects through 2039. A portion of these projects were assigned or awarded via a competitive bid process to various utilities, including Ameren. In 2024, ATXI filed requests for CCNs, among other things, with the MoPSC related to the MISO long-range transmission projects that it expects to construct within the MoPSC’s jurisdiction. In July