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Constellation Energy10-K: Legacy modernization

Pursuing 80-year operating license renewals for nuclear fleet, with Crane renewal planned for 2029.

What happened

Constellation is actively extending the life of its core nuclear assets to 80 years, a process requiring significant long-term investment in safety, maintenance, and operational technology.

Source

SEC EDGARFeb 24, 2026

Annual report (Form 10-K)

Constellation Energy 10-K for FY2025

Filing excerpt

Peach Bottom and Dresden have received subsequent license renewal from the NRC for a second 20-year term, extending their operating period to a total 80-year term.

sec.gov/Archives/edgar/data/1168165/000186827526000032/ceg-20251231.htmRead the full source

Other signals in this filing (11)

Extracted by Autobound

From the Signal API record
Signal
10-K: Legacy modernization

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

Period
FY2025
Fiscal year end
12/31
Filed
Feb 24, 2026

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The full record

From the Signal API record

Details

CIK
1168165
Accession number
0001868275-26-000032
Timeframe
Multi year
Filing year
2026
Why it matters
Modernization projects
Signal category
Technology

Topics and mentions

Technologies

  • nuclear

Extraction

Confidence
High
Relevance
80%
Sentiment
Positive
Detected
Mar 3, 2026
signal_type
sec-10k
signal_subtype
legacyModernization

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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
Show the full JSONThe record on this page and the API request

GET /v1/signals/97fcce38-b7b3-4784-b899-ed5c5d2b3499 returns this record as JSON. POST /v1/companies/enrich returns every signal for constellationenergy.com.

{
  "signal_id": "97fcce38-b7b3-4784-b899-ed5c5d2b3499",
  "signal_type": "sec-10k",
  "signal_subtype": "legacyModernization",
  "detected_at": "2026-03-03T05:50:58.314+00:00",
  "company": {
    "name": "Constellation Energy",
    "domain": "constellationenergy.com"
  },
  "data": {
    "detail": "Constellation is actively extending the life of its core nuclear assets to 80 years, a process requiring significant long-term investment in safety, maintenance, and operational technology. This creates opportunities for vendors specializing in nuclear plant modernization, digital twin technology, predictive maintenance, and control systems to support these multi-decade life extensions.",
    "metrics": {
      "timeframe": "multi_year"
    },
    "summary": "Pursuing 80-year operating license renewals for nuclear fleet, with Crane renewal planned for 2029.",
    "excerpts": "Peach Bottom and Dresden have received subsequent license renewal from the NRC for a second 20-year term, extending their operating period to a total 80-year term.",
    "relevance": 0.8,
    "sentiment": "positive",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1168165/000186827526000032/ceg-20251231.htm",
    "filing_date": "2026-02-24",
    "filing_year": 2026,
    "fiscal_year_end": "12/31",
    "sales_relevance": "Modernization projects",
    "signal_category": "technology",
    "technologies_mentioned": [
      "nuclear"
    ]
  }
}

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