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Ameren10-K: Sustainability investment

Ameren Illinois has a $0.5B rate base for energy-efficiency investments effective Jan 2026.

Read at SEC EDGAR

What happened

The company has a dedicated rate base of $500 million for its electric energy-efficiency investments, with rates updated annually.

Source

SEC EDGARFeb 18, 2026

Annual report (Form 10-K)

Ameren 10-K for FY2025

Filing excerpt

Ameren Illinois electric energy-efficiency investments(e) ICC November 2025 January 2026 10.65% 50.00% $0.5 1%

sec.gov/Archives/edgar/data/18654/000100291026000009/aee-20251231.htmRead the full source

Other signals in this filing (11)

Extracted by Autobound

From the Signal API record
Signal
10-K: Sustainability investment

What this signalsFilings often name leadership changes, deals and spending plans.

Period
FY2025
Fiscal year end
12/31
Filed
Feb 18, 2026

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The full record

From the Signal API record

Numbers

Dollar figure
$500M (Rate Base for electric energy-efficiency investments (in billions, table shows $0.5))

Details

CIK
18654
Accession number
0001002910-26-000009
Timeframe
Next year
Filing year
2026
Why it matters
ESG reporting tools needed
Signal category
Esg

Topics and mentions

Regions named

  • Illinois

Extraction

Confidence
High
Relevance
70%
Sentiment
Positive
Detected
Feb 24, 2026
signal_type
sec-10k
signal_subtype
sustainabilityInvestment

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The API returns more than this page shows

This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
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Show the full JSONThe record on this page and the API request

GET /v1/signals/539069bd-c8fb-46ca-a272-8b35fbde5585 returns this record as JSON. POST /v1/companies/enrich returns every signal for ameren.com.

{
  "signal_id": "539069bd-c8fb-46ca-a272-8b35fbde5585",
  "signal_type": "sec-10k",
  "signal_subtype": "sustainabilityInvestment",
  "detected_at": "2026-02-24T09:26:58.281+00:00",
  "company": {
    "name": "Ameren",
    "domain": "ameren.com"
  },
  "data": {
    "detail": "The company has a dedicated rate base of $500 million for its electric energy-efficiency investments, with rates updated annually. This creates opportunities for vendors providing energy management, demand response, and efficiency technologies.",
    "metrics": {
      "timeframe": "next_year",
      "dollar_context": "Rate Base for electric energy-efficiency investments (in billions, table shows $0.5)",
      "dollar_millions": 500
    },
    "summary": "Ameren Illinois has a $0.5B rate base for energy-efficiency investments effective Jan 2026.",
    "excerpts": "Ameren Illinois electric energy-efficiency investments(e) ICC November 2025 January 2026 10.65% 50.00% $0.5 1%",
    "relevance": 0.7,
    "sentiment": "positive",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/18654/000100291026000009/aee-20251231.htm",
    "filing_date": "2026-02-18",
    "filing_year": 2026,
    "fiscal_year_end": "12/31",
    "sales_relevance": "ESG reporting tools needed",
    "signal_category": "esg",
    "regions_mentioned": [
      "Illinois"
    ]
  }
}

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