← Research LibraryThe BriefFY2025 10-K · headline figures audited against SEC data
Constellation grew revenue +19.5% and turned FCF positive, but net income fell -38.1% and margins compressed sharply.
The read at a glance✓ Audited against SEC data
- Growth — Revenue +19.5% to $22.66BOK
- Profitability — Net income -38.1% to $2.32BWatch
- Cash quality — FCF turned positive at $1.29BOK
- Margins — Operating margin -933 bpsWatch
- Balance sheet — Debt -12.6% to $7.40BOK
- Insiders — 0 buys / 0 sellsNote
Business
Constellation is a competitive power producer and retail energy supplier built around the largest nuclear fleet in the United States. After the January 2026 Calpine acquisition, the filing describes it as the largest private-sector power producer in the world.
Where the revenue comes from
Fiscal 2025, as Constellation Energy Corp reports it. History and quarterly detail are in the app.
- Mid-Atlantic$6.5B
- Midwest$5.8B
- Other Power Regions$5.6B
- New York$2.2B
- ERCOT$1.9B
Leadership changes
From Constellation Energy Corp's own filings, the day they're filed.
- Alan Armstrong · Directors · departureeff. 2026-03-23
- Daniel Eggers · Chief Financial Officer · appointmenteff. 2026-01-07
- Alan Armstrong · director · appointmenteff. 2026-01-01
Latest filings
- 8-K · Company announcement2026-08-06
- 10-Q · Quarterly report2026-08-06
- 8-K · Company announcement2026-08-05
- 8-K · Company announcement2026-07-14
- 8-K · Company announcement2026-06-02
In the full recordFree for 14 days
- What changed🔒
- Insider signal🔒
- Growth quality🔒
- Margins & accounting🔒
- Capital allocation🔒
- Real risks🔒
- The long arc🔒
- Company history🔒
- The filings, readable — with what changed vs the prior year highlighted🔒
- Full financial statements, industry-aware, sources cited throughout🔒
- Forensic score history & components — the trend, not one year🔒
- Ownership: insider buys/sells, clusters, activist stakes🔒
- Ana — ask about Constellation Energy Corp, every answer cited to the official filings🔒
Every figure comes from the company's filings, and analysis whose figures don't match SEC data is rejected before publication.
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