# Sumitomo Electric

- Headquarters: Japan
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)


## Customers, suppliers and deals

- [National Grid](https://endata.com/companies/389.md): customer, 2×, latest 2025-03-14
- [OWJJ](https://endata.com/companies/83244.md): customer, 1×, latest 2025-03-01
- [Amprion](https://endata.com/companies/10110.md): customer, 1×, latest 2024-06-05
- [Südkabel](https://endata.com/companies/72007.md): acquired, 1×, latest 2024-06-05

## Announcements (6)

- 2025-03-14: [Taihan Cable signs framework agreement with National Grid for HVDC cable systems](https://endata.com/announcements/96862-taihan-cable-signs-framework-agreement-with-national-grid-for-hvdc-cable-systems) (Contract · United Kingdom · $75.0B)
- 2025-03-13: [National Grid awards HVDC supply chain framework contracts worth £45.9bn](https://endata.com/announcements/96810-national-grid-awards-hvdc-supply-chain-framework-contracts-worth-45-9bn) (Contract · United Kingdom · $58.4B)
- 2025-03-01: [Sumitomo Electric wins record water treatment membrane order for Jakarta sewage plant](https://endata.com/announcements/96486-sumitomo-electric-wins-record-water-treatment-membrane-order-for-jakarta-sewage) (Contract · Jakarta, Indonesia)
- 2024-06-05: [Sumitomo Electric wins €3B+ HVDC cable projects from Amprion](https://endata.com/announcements/88904-sumitomo-electric-wins-3b-hvdc-cable-projects-from-amprion) (Contract · Mannheim, Germany · $3.26B)
- 2024-06-05: [Sumitomo Electric acquires majority stake in Südkabel](https://endata.com/announcements/88903-sumitomo-electric-acquires-majority-stake-in-sudkabel) (Acquisition · Mannheim, Germany)
- 2021-12-03: [A.L.M.T. Corp. opens new mass production line for tungsten monoblocks for ITER](https://endata.com/announcements/63568-a-l-m-t-corp-opens-new-mass-production-line-for-tungsten-monoblocks-for-iter) (Expansion · Sakata, Yamagata Prefecture, Japan · starts operating 3 Dec 2021)

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.