HD Hyundai Electric

HD Hyundai Electric is listed as a transformer manufacturer in Ulsan, South Korea. Products and scope on file: power transformers, distribution transformers and dry-type and cast-resin transformers. Sourced figures on file: highest sourced voltage 765 kV; indicative capacity ~190,000 MVA/year. These are the highest sourced values, not an audited company maximum. Reported standards on file: IEC, IEEE and UL.

🇰🇷 South Korea · Ulsan · Listed · Official website ↗

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Independent census profile, not the company website. How this census is compiled. Last reviewed 2026-08-28  ·  Profile status Listed

Directory Completeness Score
100% Complete
Data Provenance: Official Manufacturer Source
Last reviewed: 2026-08-28

Capabilities

Power Distribution Dry-type

Indicative capability data

Indicative sourced capacity / yr~190,000 MVA (sourced figure — not independently audited)
Highest sourced voltage evidence765 kV
Product typespower, distribution, BESS
Regions servedAsia, Americas, MEA
Reported standardsIEC, IEEE, UL
SourceHD Hyundai Electric signs ₩1.02tn long-term data-centre power-infrastructure deal (incl. ultra-high-voltage transformers) ℹ

These are the highest sourced figures on file — they are not asserted as the company maximum unless an authoritative source states that. Voltage summary is MAX(accepted voltage evidence records, tier filing). Annual capacity and voltage evidence are independent values and are never combined into a single product rating. Verify against the manufacturer before a procurement decision.

Related components

Transformer bushings On-load tap changers Cooling systems Insulation materials Protection & monitoring Oil & preservation Conductors & core steel

Relevant applications

Utilities & Grid HVDC & Converters Renewable Energy Data Centres Railways & Metro

Markets

South Korea manufacturers Ulsan South Korea market

Confirmed manufacturing facilities

Where an independent source documents a transformer manufacturing plant, it is catalogued here with its verified facility ID and source attribution. Factory capability is separate from the company group maximum and is never inferred from it.

Ulsan, South Korea
Ulsan Dong-gu, South Korea
power transformers
source ↗
Ulsan Seonam, South Korea
distribution transformers
source ↗
Montgomery, Alabama, United States
power transformers (2nd 765 kV-class plant groundbroken 2026)
source ↗

Travelling for a factory visit in Ulsan Dong-gu

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Travel insurance (VisitorsCoverage)Travel eSIM (Airalo)

Sites & locations

TransformerPath lists the sites it has in its census for this brand. It does not classify whether each is a manufacturing plant, office or service centre without independent confirmation.

HD Hyundai Power Transformers USA
Montgomery, AL, USA
fac:hd-hyundai-electric:montgomery-al
PowerOPERATIONAL

Company timeline

Typed, sourced developments attached to this permanent entity. Every item is linked to its published source and carries a confidence label. An item is shown because it references this company — it is not an independently verified award, order or project attribution unless the source explicitly confirms one. Confidence defaults to Limited for a keyword-matched Daily-Intel item and is never upgraded without corroborating source evidence.

Order / contract

Factory expansion

Recent developments

Sourced from TransformerPath Daily Intel. An item is shown because it references this company — it is not an independently verified award, order or project attribution.

Reported capability — sourced evidence

Evidence is attached to a single reported quantity (voltage or rating) and is not combined into a single product capability. It is shown because a source confirms it; it is not asserted as the company's maximum.

Voltage class evidence765 kV

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Last reviewed: 2026-08-28.

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