Filing excerpt
Calpine is the nation’s largest generator of electricity from natural gas and geothermal resources, according to S&P Global Market Intelligence, with a strong footprint in Texas, California, and the Northeast regions of the U.S.
The Calpine deal provides entry into high-growth markets like Texas and California and significantly boosts the retail energy platform. This expansion creates incremental sales channels and requires investment in marketing, sales operations, and customer service platforms to manage the new customer base.
Filing excerpt
Calpine is the nation’s largest generator of electricity from natural gas and geothermal resources, according to S&P Global Market Intelligence, with a strong footprint in Texas, California, and the Northeast regions of the U.S.
What this signalsFilings often name leadership changes, deals and spending plans.
Technologies
Regions named
sec-10kmarketExpansionGet every 10-K signal for Constellation Energy and the companies you sell to, in the tools you already use.
Connect Autobound to Claude, Claude Code or Cursor with MCP. Then ask: “What changed at Constellation Energy this week?”
The Signal API returns 10-K signals for any list of companies as JSON, for your CRM, warehouse or app.
Sign up and spend your free credits on the companies you sell to.
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 APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/6b22b2df-e4fd-4e43-9c80-d4de0bea0abf returns this record as JSON. POST /v1/companies/enrich returns every signal for constellationenergy.com.
{
"signal_id": "6b22b2df-e4fd-4e43-9c80-d4de0bea0abf",
"signal_type": "sec-10k",
"signal_subtype": "marketExpansion",
"detected_at": "2026-03-03T05:50:58.314+00:00",
"company": {
"name": "Constellation Energy",
"domain": "constellationenergy.com"
},
"data": {
"detail": "The Calpine deal provides entry into high-growth markets like Texas and California and significantly boosts the retail energy platform. This expansion creates incremental sales channels and requires investment in marketing, sales operations, and customer service platforms to manage the new customer base.",
"metrics": {
"timeframe": "current_year"
},
"summary": "Acquisition of Calpine expands footprint into Texas and California and adds 62 TWhs of annual retail load.",
"excerpts": "Calpine is the nation’s largest generator of electricity from natural gas and geothermal resources, according to S&P Global Market Intelligence, with a strong footprint in Texas, California, and the Northeast regions of the U.S.",
"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": "Scaling infrastructure needed",
"signal_category": "market",
"regions_mentioned": [
"Texas",
"California",
"Northeast"
],
"technologies_mentioned": [
"natural gas",
"geothermal"
]
}
}
curl https://signals.autobound.ai/v1/signals/6b22b2df-e4fd-4e43-9c80-d4de0bea0abf \
-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}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.