# Who does Constellation Energy pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/constellation-energy · Facet: suppliers · Updated: 2026-09-24T04:08:54.731233+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Constellation Energy's confirmed suppliers/cost counterparties include Cameco plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 2 of them primary filings (as of 2026-09-24).

### Cameco (high)  → /cameco.md
- note: Sources nuclear fuel (uranium) from Cameco.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-23) https://www.sec.gov/Archives/edgar/data/0001009001/000119312525253372/d935274dex991.htm: "Sources nuclear fuel (uranium) from Cameco."

### 원전 연료·운영·정비 (비공개) (low)
- note: Uranium fuel, nuclear operations and maintenance.
- [confirms] SEC EDGAR (EN, filing, published 2024-09-20) https://www.sec.gov/Archives/edgar/data/0001868275/000186827524000058/ceg-202409208kexh991.htm: "Nuclear operations, fuel and restart-maintenance costs."

### 재가동 설비투자 (비공개) (low)
- note: TMI restart capex (~$1.6B).
- [confirms] Edaily (KO, news, published 2024-09-21) https://edaily.co.kr/News/Read?mediaCodeNo=257&newsId=01528486639022416: "Restart capex on turbines, generators and cooling."

Reverse side: https://valuechain.wiki/constellation-energy/customers.md · Ripple: https://valuechain.wiki/constellation-energy/ripple.md

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Full node: https://valuechain.wiki/constellation-energy.md · JSON: https://valuechain.wiki/constellation-energy.json