What Hitachi Energy makes for data centers
subsidiary · unit of Hitachi · HQ Zurich, Switzerland · hitachienergy.com
Hitachi Energy, a subsidiary of Hitachi, makes large power transformers and HV switchgear and GIS, including SF6-free switchgear under its EconiQ line, for the substations and grid equipment that feed data center campuses. It also supplies MV/LV transformers, HVDC and STATCOM transmission equipment, and, through a joint venture with GE Vernova, the BWRX-300 small modular reactor.
Exposure
9 parts across 2 layers · 1 constrained
No disclosed data-center revenue share on file.
Parts, by layer
Layer 7 — Electrical: power distribution (grid to rack)
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Large power transformers (345–765 kV) & substationsconstrained | manufacturer | disclosed | CG Power, GE Vernova, Hyosung Heavy, Hyundai Electric, Končar, LS Electric | |
| HV switchgear, GIS, breakers, protection relays | manufacturer | disclosed | Schneider Electric, ABB, Eaton, GE Vernova, Hyosung Heavy, Hyundai Electric | |
| MV switchgear, E-houses, power skids | manufacturer | inferred | Schneider Electric, ABB, Eaton, GE Vernova, Mitsubishi Electric, Nari | |
| MV/LV transformers | manufacturer | inferred | Schneider Electric, ABB, Eaton, Fuji Electric, Hammond Power, Hyundai Electric | |
| 800 V DC architecture & solid-state transformers | manufacturer | inferred | Schneider Electric, ABB, Coherent, Delta Electronics, Eaton, Flex | |
| SF6-free | manufacturer | disclosed | ABB, GE Vernova, Siemens Energy | EconiQ |
| SSTs (emerging) | manufacturer | inferred | Delta Electronics, Ideal Power, Siemens Energy, Heliox |
Layer 8 — Power generation & energy supply
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| HVDC | manufacturer | disclosed | Furukawa, GE Vernova, Mitsubishi Electric, NKT, Nexans, Prysmian | |
| STATCOM and synchronous condensers | manufacturer | inferred | ABB, AMSC, GE Vernova, Siemens Energy, WEG, Ingeteam |
Where Hitachi Energy sits in the stack
Hitachi Energy's placements in this catalog cover 9 parts, from layer 7 (electrical: power distribution (grid to rack)) to layer 8 (power generation & energy supply). One of them is tagged constrained, meaning a sourced shortage rather than a long lead time. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Large power transformers (345–765 kV) & substationsconstrained — Grid-scale transformers and switchyards that step transmission voltage down to what a data center campus can use, plus the substation civil works around them.
- HV switchgear, GIS, breakers, protection relays — The high-voltage switching, protection, and fault-isolation gear between the substation transformers and the campus's medium-voltage distribution, including gas-insulated (GIS) designs for compact sites.
- SF6-free — Breaker and switchgear designs that replace the potent greenhouse gas SF6 as an insulating medium, offered as an alternative to conventional gas-insulated switchgear.
- MV switchgear, E-houses, power skids — Medium-voltage switchgear packaged into pre-fabricated electrical houses (E-houses) or skids that distribute power across a campus and can be factory-built and shipped as modules.
- MV/LV transformers — Step-down transformers that take medium-voltage distribution down to the low voltage used inside a building, available in pad-mount (outdoor, oil-filled) and dry-type or cast-resin (indoor) designs.
- and 4 more in the table above.
Closest peers in this catalog
From the blog
Latest feed
- Hitachi Energy teams up with Ansaldo to develop integrated power solutions for data center sector and grid — Data Center Dynamics, 2026-10-21Hitachi Energy and Ansaldo have formed a collaboration to develop integrated power solutions specifically for the data center sector and the broader electrical grid.
Questions about Hitachi Energy
- What does Hitachi Energy make for AI data centers?
- This catalog places Hitachi Energy on 9 parts: Large power transformers (345–765 kV) & substations (manufacturer), HV switchgear, GIS, breakers, protection relays (manufacturer), MV switchgear, E-houses, power skids (manufacturer), MV/LV transformers (manufacturer), 800 V DC architecture & solid-state transformers (manufacturer), SF6-free (manufacturer), SSTs (emerging) (manufacturer) and HVDC (manufacturer), and 1 more.
- Is Hitachi Energy publicly traded?
- Not on its own — this catalog records Hitachi Energy as a unit of Hitachi, so the traded entity is the parent.
- Where is Hitachi Energy based?
- Zurich, Switzerland, per the company record in this catalog.
- Who else makes large power transformers (345–765 kV) & substations for AI data centers?
- CG Power, GE Vernova, Hyosung Heavy, Hyundai Electric, Končar and LS Electric are also placed on Large power transformers (345–765 kV) & substations in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Hitachi Energy the mix is 4 disclosed and 5 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.
Verification: enriched, last verified 2026-08-27. Sources: www.hitachienergy.com · www.hitachienergy.com.· Markdown · JSON