---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-115502"
form_type: "8-K"
ticker: "AEE"
cik: "0001002910"
company_name: "AMEREN CORP"
filed_at: "2025-11-24T23:59:59+00:00"
generated_at: "2026-05-16T17:12:25.575056+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Missouri PSC approves Ameren Missouri large load rate plan with 12-year minimum contracts

## Summary
- MoPSC order Nov 24 approves amended stipulation for Large Load Customer Rate Plan.
- Tariff applies to new/existing facilities with 75+ MW monthly load demand; ESA term 12 years plus up to 5-year ramp.
- Customers pay demand charges on 80% of contracted capacity; exit fees tied to remaining term plus 60 months.
- Earnings sharing: 65% of ROE above 9.74% returned to retail customers; force majeure deferral allowed.
- Collateral requirement of 2 years minimum bills; up to 60% exemption for high-credit customers.

## SEC filing metadata
- accession: 0001104659-25-115502
- form_type: 8-K
- ticker: AEE
- cik: 0001002910
- company_name: AMEREN CORP
- filed_at: 2025-11-24T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1002910/000110465925115502/0001104659-25-115502-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/100826/000110465925115502/tm2532033d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-115502
- JSON: https://secwatch.observer/filing/0001104659-25-115502.json
- Plain text: https://secwatch.observer/filing/0001104659-25-115502.txt

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