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Ameren8-K: Capex increase

Ameren Missouri files massive long-term resource plan to meet 5-6 GW demand growth by 2035.

What happened

The 2026 Integrated Resource Plan calls for adding over 14,000 MW of new generation capacity by 2045, including natural gas, nuclear, solar, wind, and battery storage. This multi-decade, multi-billion dollar initiative will require extensive partnerships with equipment suppliers, construction firms, and technology providers.

Source

SEC EDGARSep 28, 2026

Current report (Form 8-K)

Ameren 8-K

Filing excerpt

On September 28, 2026, Union Electric Company, doing business as Ameren Missouri (“Ameren Missouri”), filed its non-binding integrated resource plan (“2026 IRP”) with the Missouri Public Service Commission (“MoPSC”).

sec.gov/Archives/edgar/data/100826/000110465926111420/tm2626189d1_8k.htmRead the full source

Other signals in this filing (2)

Extracted by Autobound

From the Signal API record
Signal
8-K: Capex increase

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

Form
8-K
Filed
Sep 28, 2026

The full record

From the Signal API record

Details

CIK
100826
Accession number
0001104659-26-111420
Filing year
2026
Why it matters
Budget available
Signal category
Financial

Topics and mentions

Technologies

  • natural gas-fired generation
  • renewable resources
  • battery energy storage
  • new nuclear generation
  • solar generation
  • wind generation
  • natural gas fuel cells

Vendors

  • Midcontinent Independent System Operator
  • Inc. (MISO)

Regions named

  • Missouri

Vendors named

  • Midcontinent Independent System Operator, Inc. (MISO)

Extraction

Confidence
High
Relevance
90%
Sentiment
Positive
Detected
Sep 29, 2026
signal_type
sec-8k
signal_subtype
capexIncrease

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The API returns more than this page shows

This page shows a preview. The full sec-8k 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
Show the full JSONThe record on this page and the API request

GET /v1/signals/ca46d933-4df0-4799-a98b-4541fa8704b8 returns this record as JSON. POST /v1/companies/enrich returns every signal for ameren.com.

{
  "signal_id": "ca46d933-4df0-4799-a98b-4541fa8704b8",
  "signal_type": "sec-8k",
  "signal_subtype": "capexIncrease",
  "detected_at": "2026-09-29T08:10:00.886+00:00",
  "company": {
    "name": "Ameren",
    "domain": "ameren.com"
  },
  "data": {
    "detail": "The 2026 Integrated Resource Plan calls for adding over 14,000 MW of new generation capacity by 2045, including natural gas, nuclear, solar, wind, and battery storage. This multi-decade, multi-billion dollar initiative will require extensive partnerships with equipment suppliers, construction firms, and technology providers.",
    "summary": "Ameren Missouri files massive long-term resource plan to meet 5-6 GW demand growth by 2035.",
    "excerpts": "On September 28, 2026, Union Electric Company, doing business as Ameren Missouri (“Ameren Missouri”), filed its non-binding integrated resource plan (“2026 IRP”) with the Missouri Public Service Commission (“MoPSC”).",
    "relevance": 0.9,
    "sentiment": "positive",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/100826/000110465926111420/tm2626189d1_8k.htm",
    "filing_date": "2026-09-28",
    "filing_year": 2026,
    "sales_relevance": "Budget available",
    "signal_category": "financial",
    "regions_mentioned": [
      "Missouri"
    ],
    "vendors_mentioned": [
      "Midcontinent Independent System Operator, Inc. (MISO)"
    ],
    "technologies_mentioned": [
      "natural gas-fired generation",
      "renewable resources",
      "battery energy storage",
      "new nuclear generation",
      "solar generation",
      "wind generation",
      "natural gas fuel cells"
    ]
  }
}

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