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Ameren Corporation

AEE

Filing: SEC 10-Q
Period: Project pipeline disclosed as of 2026-03-31
Basis: Editorial filing; Read original SEC 10-Q ↗

Sankey diagram of Ameren Corporation. A complete text table follows the diagram.

Ameren's Next 2.6 GW Mixes Solar, Gas, and Grid-Scale Batteries

A six-project buildout adds near-term solar, dispatchable gas generation, and a 400 MW storage system across Missouri through 2028.

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Source & review

Read original SEC 10-Q ↗

SEC accession: 0001002910-26-000015
Filed: Date not recorded
Reviewed: 2026-07-26
Status: Individual filing review complete

How to read these figures

This is a map of the six projects in the filing table, not Ameren's complete generation fleet or an assertion that battery MW is equivalent to generation energy output.

Labels and narrative explain the filing. A category marked “arithmetic bridge” or “residual” is calculated from reported totals, rather than a separately reported line.

Gas provides 62% of listed capacity, while solar and batteries provide the remaining 38%.
Bowling Green's 50 MW solar project entered service in March 2026; another 300 MW was scheduled for the second quarter.
Ameren spent $1.574B on capital projects in the quarter, 3.7 times its $421M of operating cash flow.
Long-term debt rose $939M in three months to $20.126B as the regulated investment cycle accelerated.

View accessible tables

Financial categories · Project pipeline disclosed as of 2026-03-31 · Megawatts
Category	Stage	Value	Notes
Solar generation	1	600	Three projects
Natural-gas generation	1	1,600	Two 800 MW plants
Battery storage	1	400	Big Hollow storage project
Disclosed project pipeline	2	2,600	Six Missouri projects
In service during 2026	3	350	Bowling Green and Split Rail solar
In service during 2027	3	800	Castle Bluff gas
In service during 2028	3	1,450	Gas, battery and solar

Financial flows · Megawatts
From	To	Value
Solar generation	Disclosed project pipeline	600
Natural-gas generation	Disclosed project pipeline	1,600
Battery storage	Disclosed project pipeline	400
Disclosed project pipeline	In service during 2026	350
Disclosed project pipeline	In service during 2027	800
Disclosed project pipeline	In service during 2028	1,450