DAIHEN

DAIHEN is listed as a transformer manufacturer in Osaka, Japan. Products and scope on file: distribution transformers and dry-type and cast-resin transformers.

🇯🇵 Japan · Osaka · 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

50% Complete

Data Provenance: Public Industry Census

Last reviewed: 2026-08-28

Pending technical specifications: Headquarters address · Maximum voltage rating · Maximum unit MVA / rating · Standards compliance (IEC/IEEE) & ISO certifications · Test bay specifications & utility references

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Capabilities

Distribution Dry-type

Related components

Transformer bushings Cooling systems Oil & preservation Conductors & core steel Insulation materials

Relevant applications

Data Centres Renewable Energy Utilities & Grid Railways & Metro

Markets

Japan manufacturers Osaka Japan 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.

Osaka, Japan

Latest intelligence about this company

No published intelligence evidenced as about this company. Curated Daily Intel is refreshed at build — see Daily Intel for the latest feed.

Regional intel

Same country, not evidenced as about this company.

Japan: transformer price listings resume as third-tier Top Runner efficiency units start full shipment
July 2026 'Kensetsu Bukka' issue resumes transformer price listings as OEMs begin full shipments of transformers meeting the third-tier Top Runner eff…
Sumitomo Electric + Van Oord sign long-term HVDC framework with SSEN Transmission for Shetland 2 (525 kV)
住友電気工業とVan OordがSSEN Transmissionと長期枠組み契約 — consortium starts early design/engineering for the Shetland–mainland 525 kV subsea HVDC link; cable order …
Daido Japan wins distribution transformer orders at JECA FAIR 2026 with 2026 Top Runner-compliant T-NEX series
Daido Japan (大同日本, a TATUNG subsidiary) exhibited at JECA FAIR 2026 (the 74th electrical installation industry fair, May 2026) and announced its T-NEX…

Upcoming events

World Smart Energy Week Osaka 2026 18 Nov 2026 · Osaka, Japan
ENEX 2027 (Tokyo) — Global Environment & Energy Exhibition 16 Dec 2026 · Tokyo, Japan
IEEJ National Convention 2027 (Kanazawa) 8 Mar 2027 · Kanazawa, Japan
World Smart Energy Week Tokyo (Spring) 2027 24 Mar 2027 · Tokyo, Japan
JECA FAIR 2027 (Osaka) — Kansai edition 26 May 2027 · Osaka, Japan

Last reviewed: 2026-08-28.

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