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Smarter Power・Better Life

Smarter Power・Better Life

Global Leading Provider of Power Equipment, Solutions & EPC Services

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Sieyuan Global Cases

Sieyuan Global Cases

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  • 2025 Revenue (USD)

    4,241 Million

  • 2025 R&D Investment (USD)

    191 Million

  • Global Employees

    11,007

  • Countries & Regions Served

    100 +

  • Years of Industry Experience

    30+

Product Portfolio

Sieyuan Global Projects

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Sieyuan LW58A-252 230 kV dead tank circuit breaker for a large-scale US data center switchyard

230kV DTCB Deployment for a Large-Scale U.S. Data Center

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Sieyuan 175 MVA 138 kV oil-immersed power transformer supplied to a Texas data center project

175 MVA, 138 kV Power Transformers for a Texas Data Center Project

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Sieyuan 40.5 kV medium-voltage switchgear line-up at a Chilean substation

Sieyuan Electric Delivered 40.5 kV Medium-Voltage Switchgear for Atlas Estepa and Crucero Substations in Chile

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Sieyuan Toshiba 400 kV power transformer supplied to a substation in Coahuila

400 kV Power Transformer Project — Mexico

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Sieyuan 230 kV gas-insulated switchgear commissioned at Singapore's Upper Jurong I substation

Singapore Upper Jurong I Substation 230kV GIS Project

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Sieyuan 420 kV gas-insulated switchgear at the main substation of a polysilicon plant in Oman

420 kV GIS Solution Powering Oman's High Purity Silicon Industry

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Solar and Wind Farm in rural area with green trees and grass

Sustainability

Sieyuan pursues sustainable growth that creates both social and economic value.

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Sieyuan Global Footprint

Market footprint
Office

  • Manufacturing Facilities

    16+

  • R&D Centers

    10

  • Global Service Centers

    10+

  • Offices Worldwide

    30+

  • Patents

    1,033

News

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Sieyuan Intersolar Invitation with dates, location and event time

Sieyuan Electric to Present esGrid3.0 Energy Storage System at Intersolar Europe 2026

2026-06-18

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Sieyuan TROM Series DGA Products Have Successfully Obtained Three Top-Tier International Certifications: CE, cETLus and IECEE CB.

2026-07-28

Sieyuan power system in PSS®E.webp

AI-Assisted Power System Engineering: Rebuilding a 13,000-Bus Grid Model in PSS®E

2026-07-21

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Sieyuan Electric HV AC Resonant Test System Completes a Milestone Test for Global Power Grids

2026-07-08