Constellation completed its acquisition of Calpine in January 2026, adding 2,500 employees and 23 GW of capacity.

{
  "signal_id": "871227db-e570-4577-b994-772aa92d66b9",
  "signal_type": "sec-10k",
  "signal_subtype": "acquisitionCompleted",
  "detected_at": "2026-03-03T05:50:58.314+00:00",
  "company": {
    "name": "Constellation Energy",
    "domain": "constellationenergy.com"
  },
  "data": {
    "detail": "The integration of Calpine's 72 generation assets and 2,500 employees presents a significant operational challenge and opportunity. This M&A activity often triggers reviews of IT systems, HR platforms, and financial consolidation software to harmonize the two large organizations.",
    "metrics": {
      "timeframe": "current_year"
    },
    "summary": "Constellation completed its acquisition of Calpine in January 2026, adding 2,500 employees and 23 GW of capacity.",
    "excerpts": "On January 7, 2026, Constellation acquired all of the outstanding equity interests of Calpine in a cash and stock transaction.",
    "relevance": 1,
    "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": "Active integration needs",
    "signal_category": "strategic",
    "regions_mentioned": [
      "Texas",
      "California",
      "Northeast"
    ],
    "technologies_mentioned": [
      "natural gas",
      "geothermal",
      "solar",
      "battery storage"
    ]
  }
}

curl https://signals.autobound.ai/v1/signals/871227db-e570-4577-b994-772aa92d66b9 \
  -H "X-API-KEY: $AUTOBOUND_API_KEY"

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"constellationenergy.com","limit":20}'