What Hitachi makes for data centers
public · HQ Japan
Hitachi is a publicly listed company and based in Japan. It appears on 10 parts of the AI data center across 3 layers, including Large power transformers (345–765 kV) & substations, HV switchgear, GIS, breakers, protection relays, MV switchgear, E-houses, power skids and MV/LV transformers. Those parts sit in Layer 2 — Memory & storage, Layer 7 — Electrical: power distribution (grid to rack) and Layer 8 — Power generation & energy supply. Its shares trade on Tokyo Stock Exchange as 6501.T.
Listing
Tokyo Stock Exchange: 6501.T· 5562 JPY -4.29% · mkt cap 24.79T JPY
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
0 parts across 3 layers
No disclosed data-center revenue share on file.
Units and subsidiaries: Hitachi Energy, Hitachi Vantara
Parts, by layer
Layer 2 — Memory & storage
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| AI storage systems (via Hitachi Vantara) | manufacturer | disclosed | Dell, Everpure, HPE, IBM, NetApp, Supermicro |
Layer 7 — Electrical: power distribution (grid to rack)
Layer 8 — Power generation & energy supply
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| HVDC (via Hitachi Energy) | manufacturer | disclosed | Furukawa, GE Vernova, Mitsubishi Electric, NKT, Nexans, Prysmian | |
| STATCOM and synchronous condensers (via Hitachi Energy) | manufacturer | inferred | ABB, AMSC, GE Vernova, Siemens Energy, WEG, Hitachi Energy |
Where Hitachi sits in the stack
Hitachi's placements in this catalog cover 10 parts, from layer 2 (memory & storage) to layer 8 (power generation & energy supply). One of them is tagged constrained, meaning a sourced shortage rather than a long lead time.
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.
- AI storage systems — Purpose-built storage software and appliances — parallel file systems, object stores, and GPU-direct pipelines — that aggregate many drives into one system capable of feeding a large number of accelerators at once.
- 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.
- and 5 more in the table above.
Latest feed
- Weekly news roundup: Tata's Dholera fab faces test; how Intel's CEO helped reshape its comeback — DigiTimes, 2026-10-19Intel's CEO provided assistance to Tata's Dholera fab, indicating potential support for its comeback.
- Hitachi to double US production of small and medium-sized power transformers — Utility Dive, 2026-09-18Hitachi will double the US production capacity of small to medium-sized power transformers (10 MVA to 160 MVA) at a Mississippi facility.
Questions about Hitachi
- What does Hitachi make for AI data centers?
- This catalog places Hitachi on 10 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 2 more.
- Is Hitachi publicly traded?
- Yes — Hitachi is listed on Tokyo Stock Exchange under 6501.T. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Hitachi based?
- Japan, 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 the mix is 5 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.