🇰🇷 Transformer Industry — South Korea
South Korea is home to some of the largest transformer and grid-equipment makers in the world (LS, HD Hyundai Electric, Hyosung). It operates a dense 60 Hz grid and its OEMs are major exporters, especially as US and global demand surges.
Pulled from tenders.json, events.json and curated intel at build. Discovery candidates are not auto-published as Intel cards.
Grid & utilities
Confirmed manufacturing plants & facilities (6)
| Plant / Facility | City | Products | Source |
|---|---|---|---|
| HD Hyundai Electric | Ulsan | TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST | source |
| HD Hyundai Electric — Ulsan Dong-gu | Ulsan Dong-gu | TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_GSU, TR_POWER_HVDC, TR_TRACTION, TR_FURNACE, TR_SPEC_RENEWABLE, TR_SPEC_MOBILE, SPECIAL | source |
| HD Hyundai Electric — Ulsan Seonam | Ulsan Seonam | TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_GSU, TR_POWER_HVDC, TR_TRACTION, TR_FURNACE, TR_SPEC_RENEWABLE, TR_SPEC_MOBILE, SPECIAL | source |
| HD Hyundai Power Transformers USA — Ulsan Dong-gu | Ulsan Dong-gu | TR_POWER, TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_GSU, TR_POWER_HVDC, TR_TRACTION, TR_FURNACE, TR_SPEC_RENEWABLE, TR_SPEC_MOBILE, SPECIAL | source |
| HD Hyundai Power Transformers USA — Ulsan Seonam | Ulsan Seonam | TR_POWER, TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_GSU, TR_POWER_HVDC, TR_TRACTION, TR_FURNACE, TR_SPEC_RENEWABLE, TR_SPEC_MOBILE, SPECIAL | source |
| Hyosung Heavy Industries — Changwon | Changwon | TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_POWER, TR_DISTRIBUTION, TR_DRY_CAST, TR_DRY_CAST, TR_AUTO, TR_GSU, TR_FURNACE, TR_TRACTION, TR_SPEC_MOBILE, SPECIAL | source |
Transformer manufacturers
24 manufacturers tracked in the South Korea census — the same unique-company count as the figure above. All South Korea manufacturers →
+10 more on the country page.
Current tenders & procurement (2)
- East Coast–East Seoul 500 kV HVDC (Donghae–East Seoul) networkAWARDED · KEPCO
- Shinan Ui offshore wind power project – offshore substationAWARDED
Recent transformer contract awards (2)
- East Coast–East Seoul 500 kV HVDC (Donghae–East Seoul) network
- Shinan Ui offshore wind power project – offshore substation
Component & material suppliers in this market
Components & accessories directory
Business activity
Sourced company developments and transformer-relevant projects with a footprint in this market. An item is shown because it references the company or project — it is not an independently verified award or scope unless the source confirms one.
- Factory expansion · HD Hyundai Electric builds its 1,000th transformer at the Alabama plant; second US plant due April 2027 · HD Hyundai Electric
- Order / contract · Korea's power trio keeps landing hyperscaler orders — HD Hyundai Electric ₩1.12tn Big Tech framework, LS Electric ~₩170bn AWS deal · HD Hyundai Electric
- Order / contract · HD Hyundai Electric raises 2026 order target 23% to about KRW 8tn on global grid demand · HD Hyundai Electric
- Order / contract · HD Hyundai Electric signs ₩1.02tn (~$750m) long-term data-centre power-infrastructure deal with a global big-tech firm · HD Hyundai Electric
- Order / contract · Iljin Electric wins KRW 120bn EHV transformer order for Canadian data centers · Iljin Electric
- Order / contract · LS Electric wins $133m 345 kV UHV transformer order for North American AI data centres · LS Electric
- Order / contract · Korea's power trio keeps landing hyperscaler orders — HD Hyundai Electric ₩1.12tn Big Tech framework, LS Electric ~₩170bn AWS deal · LS Electric
- Order / contract · LS Electric wins ~KRW 100bn ultra-high-voltage transformer order from US big-tech client · LS Electric
- East Coast–East Seoul 500 kV HVDC (Donghae–East Seoul) network · South Korea · 500 kV HVDC · awarded · transformer scope INFERRED
- West Coast Energy Highway HVDC (Saemangeum–Seohwaseong) · South Korea · construction · transformer scope INFERRED
- Wando–Dongjeju HVDC #3 (South Korea's first VSC HVDC converter station) · South Korea · energized · transformer scope CONFIRMED
- Anma offshore substation (532 MW) · South Korea · construction · transformer scope CONFIRMED
- Shinan Ui offshore wind power project – offshore substation · South Korea · awarded · transformer scope INFERRED
See the Intelligence hub for the full activity feed.
Projects & intelligence
- Korea's power trio keeps landing hyperscaler orders — HD Hyundai Electric ₩1.12tn Big Tech framework, LS Electric ~₩170bn AWS deal
한국 전력기기 3사의 미국 데이터센터 수주 행진 — Invest Chosun details HD Hyundai Electric's long-term Big Tech master agreement (distribution ₩553.9bn + power equipment ₩567.3bn, deliveries through 2028), Hyosung Heavy'…
- HD Hyundai Electric signs ₩1.02tn (~$750m) long-term data-centre power-infrastructure deal with a global big-tech firm
HD현대일렉트릭, 글로벌 빅테크와 1조212억원 규모 데이터센터 전력 인프라 장기 공급계약 — contract runs 2 Jul 2026 to Jan 2029; ultra-high-voltage transformers ₩567.3bn plus distribution transformers ₩553.9bn. Korean EHV makers locking m…
- Hyosung Heavy wins ₩310bn (~$225m) 5-year UHV transformer & reactor supply deal with Australia's AusNet
효성중공업, 호주 빅토리아주 송전망 운영사 AusNet과 5년 독점 공급계약 — 초고압 변압기·리액터, 약 3,100억원 규모 — its second big Australian win this year; Korean EHV makers extending beyond the US into Australia's transmission build.
- LS Electric wins ~KRW 100bn ultra-high-voltage transformer order from US big-tech client
Yonhap reports LS Electric (LS일렉트릭) secured an ultra-high-voltage (EHV) transformer order worth about KRW 100bn from a major US technology company. The deal extends the Korean equipment maker's exposu…
- Iljin Electric wins KRW 120bn EHV transformer order for Canadian data centers
Iljin Electric (일진전기) announced a transformer supply contract worth about KRW 120bn for Canadian data centers, per Yonhap. The order underscores the trend of Korean power-equipment makers capturing AI…
Upcoming events
- No confirmed local edition is published yet — check the events calendar.
Technical context
- 765 kV / 345 / 154 / 66 kV transmission; 60 Hz
- KEPCO (Korea Electric Power Corporation) grid and procurement standards
- KS standards aligned with IEC
- Large exporting OEM base in power and distribution transformers
- Driven by domestic grid reliability plus strong export demand
Frequently asked
LS Electric, HD Hyundai Electric and Hyosung Heavy Industries are leading Korean power-equipment makers, and several are now expanding US capacity.
The KEPCO grid operates at 765 kV, 345 kV, 154 kV and 66 kV, at 60 Hz.
Domestic technical strength plus the global transformer shortage make Korean builders a key source, with new plants planned overseas.
Related reading
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