---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-111420"
form_type: "8-K"
ticker: "AEE"
cik: "0001002910"
company_name: "AMEREN CORP"
filed_at: "2026-09-28T21:25:27+00:00"
generated_at: "2026-10-12T13:38:33.026216+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Ameren Missouri files 2026 IRP with MoPSC; plans 2,100 MW gas by 2031, 1,300 MW solar by 2030

## Summary
- Forecast load growth of 2.9-3.9 GW by 2030, 5-6 GW by 2035 and 6-9 GW by 2045 underpins the preferred plan filed Sept. 28, 2026 with the Missouri PSC.
- Adds 2,100 MW of combined-cycle natural gas by 2031, plus 2,800 MW by 2035 and 1,400 MW by 2042, and 1,900 MW of simple-cycle gas by 2029.
- Adds 1,300 MW of solar by 2030 (+1,050 MW by 2035), 1,500 MW of wind by 2040, 2,400 MW of battery storage by 2030 and 500 MW of gas fuel cells by 2030.
- Includes 1,200 MW of new nuclear by 2040; Ameren Missouri expects to seek and receive NRC approval to extend Callaway's operating license beyond its 2044 expiration.
- Labadie coal units' retirement pushed to 2042 from 2036; about 1,800 MW of natural gas-fired capacity to be retired by 2040.

## SEC filing metadata
- accession: 0001104659-26-111420
- form_type: 8-K
- ticker: AEE
- cik: 0001002910
- company_name: AMEREN CORP
- filed_at: 2026-09-28T21:25:27+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1002910/000110465926111420/0001104659-26-111420-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/100826/000110465926111420/tm2626189d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-111420
- JSON: https://secwatch.observer/filing/0001104659-26-111420.json
- Plain text: https://secwatch.observer/filing/0001104659-26-111420.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.