# Who does HD Hyundai Electric pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/hd-hyundai-electric · Facet: suppliers · Updated: 2026-09-11T15:35:55.556653+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: HD Hyundai Electric's confirmed suppliers/cost counterparties include CSX Corporation plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 1 of them primary filings (as of 2026-09-11).

### CSX Corporation (mid)  → /csx.md
- note: HD Hyundai Electric uses CSX as a longstanding rail logistics partner for its Alabama transformer operation, supporting complex and oversized moves, while the freight rate and contract value paid to CSX were not disclosed.
- [confirms] The Guru (KO, news, published 2026-03-16) https://v.daum.net/v/20260316084625648: "CSX was selected as the logistics partner for HD Hyundai Electric's North American subsidiary and will support oversized transformer moves."
- [confirms] CSX (EN, ir, published 2026-03-09) https://www.csx.com/index.cfm/about-us/csx-customer-hd-hyundai-power-transformers-advances-200m-expansion/: "CSX has been a longstanding partner to HD Hyundai Power Transformers and the Montgomery community."

### 전기강판·소재 (비공개) (low)
- note: Procures transformer raw materials such as electrical steel and copper (value not disclosed); copper/steel prices are the key cost variable.
- [confirms] PR Newswire (EN, filing, published 2025-12-01) https://www.prnewswire.com/news-releases/hd-hyundai-electric-expands-us-production-subsidiary-solidifies-leadership-in-north-american-extra-high-voltage-power-transformer-market-302707507.html: "Electrical steel, copper and materials."

### 증설 (비공개) (low)
- note: US 765kV transformer capacity expansion ($200M) — investment to convert backlog into revenue amid the shortage.
- [confirms] PR Newswire (EN, filing, published 2025-12-01) https://www.prnewswire.com/news-releases/hd-hyundai-electric-expands-us-production-subsidiary-solidifies-leadership-in-north-american-extra-high-voltage-power-transformer-market-302707507.html: "US 765kV transformer expansion ($200M)."

Reverse side: https://valuechain.wiki/hd-hyundai-electric/customers.md · Ripple: https://valuechain.wiki/hd-hyundai-electric/ripple.md

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Full node: https://valuechain.wiki/hd-hyundai-electric.md · JSON: https://valuechain.wiki/hd-hyundai-electric.json