The following table provides information about each facility: | | | | | | | | | | | | | | | | | | | Agreement type | Facility size | Status of MoPSC CCN | Status of FERC approval of acquisition | In-service date(a) | | | | | | | Bowling Green Solar Project(b) | Self-build | 50-MW | Approved March 2024 | Not applicable | March 2026 | | Split Rail Solar Project | Build-transfer(c) | 300-MW | Approved March 2024 | Received November 2024 | June 2026 | Castle Bluff Natural Gas Project(b) | Self-build | 800-MW | Approved October 2024 | Not applicable | Fourth quarter 2027 | Big Hollow Battery Energy Storage Project(b) | Self-build | 400-MW | Approved February 2026 | Not applicable | Second quarter 2028 | Big Hollow Natural Gas Project(b) | Self-build | 800-MW | Approved February 2026 | Not applicable | Third quarter 2028 | Reform Solar Project(b) | Self-build | 250-MW | Approved May 2026 | Not applicable | Fourth quarter 2028 | Castle Bluff Battery Energy Storage Project(b) | Self-build | 95-MW | Approved October 2026 | Not applicable | Second quarter 2028 | Millcreek Battery Energy Storage Project(b) | Self-build | 250-MW | Approved October 2026 | Not applicable | Second quarter 2028 | Huck Finn Battery Energy Storage Project(b) | Self-build | 200-MW | Approved October 2026 | Not applicable | Second quarter 2028 | Tom Sawyer Solar Project(b) | Build-transfer | 175-MW | Approved October 2026 | Received September 2026 | Fourth quarter 2028 | | Ringer Solar Project | Build-transfer | 225-MW | Approved October 2026 | Expect to request by mid-2027 | Second quarter 2029 | | West Alton Natural Gas Project | Self-build | 2,100-MW | Filed July 2026(d) | Not applicable | Fourth quarter 2031 |
(a)Future in-service dates, which were estimated in each CCN filing, are dependent on the timing of regulatory approvals and construction completion, among other things. (b)These projects collectively represent approximately $5 billion of capital expenditures. (c)In February 2026, Ameren Missouri acquired the Split Rail Solar Project for approximately $0.6 billion. (d)Ameren Missouri expects a decision by the MoPSC in the first half of 2027.
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