HD Hyundai Electric transformers

South Korean power transformer maker with a US plant in Alabama since 2011, now building a second Alabama plant for units up to 765 kV.

hd-hyundaielectric.com

Facts

Headquarters
South Korea
US manufacturing
US plant verified
Transformer types
power transformers
Product classes
Large power, GSU, Substation
Parent company
HD Hyundai
Announced capacity
Second Alabama plant (groundbreaking March 2026), due for completion in April 2027, adding about 50% extra-high-voltage transformer capacity with production up to 765 kV (Korea Times, Oct 2026); aiming to raise US production 30% by 2026 (POWER, Jan 2026).
Checked

Sources

  1. HD Hyundai Electric accessed 2026-11-09
  2. Wikipedia: HD Hyundai Electric accessed 2026-11-09
  3. Wood Mackenzie executive summary, Sept 2025 accessed 2026-11-09
  4. Power equipment makers race to expand US capacity amid AI boom (Korea Times, 28 Oct 2026) accessed 2026-11-09
  5. Transformers in 2026: Shortage, Scramble, or Self-Inflicted Crisis? (POWER, 2 Jan 2026) accessed 2026-11-09

Makers of the same classes

All manufacturers

Lead times for these classes, sourced and dated, are on the transformer lead times tracker.