Siemens Energy
Siemens Energy is listed as a transformer manufacturer in Munich, Germany. Products and scope on file: power transformers. Sourced figures on file: highest sourced voltage 800 kV; indicative capacity ~450,000 MVA/year. These are the highest sourced values, not an audited company maximum. Reported standards on file: IEC, IEEE and CE.
🇩🇪 Germany · Munich · Listed · Official website ↗
Head office: Otto-Hahn-Ring 6, 81739 Munich. Siemens Energy corporate information — registered office Munich, Germany, Otto-Hahn-Ring 6 (checked 2026-10-15).
Independent census profile, not the company website. How this census is compiled. Last reviewed 2026-08-28 · Profile status Listed
Capabilities
Indicative capability data
| Indicative sourced capacity / yr | ~450,000 MVA (sourced figure — not independently audited) |
|---|---|
| Highest sourced voltage evidence | 800 kV |
| Product types | power, distribution, dry-type |
| Regions served | Global |
| Reported standards | IEC, IEEE, CE |
| Source | Siemens Energy Annual Report & Factory Records ℹ |
These are the highest sourced figures on file — they are not asserted as the company maximum unless an authoritative source states that. Voltage summary is MAX(accepted voltage evidence records, tier filing). Annual capacity and voltage evidence are independent values and are never combined into a single product rating. Verify against the manufacturer before a procurement decision.
Sourced specifications
| Maximum voltage stated | 1100 kV (large power transformer). source checked 2026-10-15Voltage range | Up to 300 kV | Up to 1,100 kV | ± 1,100 kV |
|---|---|
| MVA | up to 1300 MVA. source checked 2026-10-15Power rating | Up to 250 MVA | Up to 1,300 MVA | Up to 750 MVA |
Only figures quoted from the linked page are shown. A missing line means that field has no public source on file.
Related components
Relevant applications
Markets
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.
| Munich, Germany | |
| Nuremberg, Germany power transformers (since 1912) | source ↗ |
| Weiz, Austria phase-shifting transformers | source ↗ |
| Trento / Spini, Italy transformers | source ↗ |
| Linz, Austria transformer service | source ↗ |
Travelling for a factory visit in Nuremberg
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Sites & locations
TransformerPath lists the sites it has in its census for this brand. It does not classify whether each is a manufacturing plant, office or service centre without independent confirmation.
| Siemens Energy Brasil Jundiaí, SP, Brazil fac:siemens-energy:jundiai-sp | Power | UNCLEAR |
| Siemens Energy (Transformers Weiz) Weiz, Styria, Austria fac:siemens-energy:weiz-styria | Power | OPERATIONAL |
| Siemens Energy Kft (Budapest Transformer Factory) Budapest, Hungary fac:siemens-energy:budapest | Power | UNCLEAR |
| Siemens Energy Qatar WLL Doha, Qatar fac:siemens-energy:doha | Power Distribution | UNCLEAR |
| Siemens Transformer (Wuhan) Wuhan, Hubei, China fac:siemens-energy:wuhan-hubei | Power | UNCLEAR |
Company timeline
Typed, sourced developments attached to this permanent entity. Every item is linked to its published source and carries a confidence label. An item is shown because it references this company — it is not an independently verified award, order or project attribution unless the source explicitly confirms one. Confidence defaults to Limited for a keyword-matched Daily-Intel item and is never upgraded without corroborating source evidence.
Order / contract
- Red Eléctrica awards a 400 kV GIS bay at Santa María de Grado to Siemens Energy
2026-10-15 · TED · 15 Oct 2026 [es] · confidence Limited - Red Eléctrica awards three 220 kV GIS bays to Siemens Energy
2026-10-15 · TED · 15 Oct 2026 [es] · confidence Limited
Rebranding
- Siemens Energy to rebrand as ‘Omterra’
2026-07-15 · Transformers Magazine · 15 Jul 2026 [en] · confidence Limited
Intel reference
- Siemens Energy & TenneT achieve factory acceptance test (FAT) milestone on 2 GW BalWin3 offshore HVDC transformer package · 2 GW / 525 kV
2026-09-11 · Transformer Magazine · 11 Sep 2026 [en] · confidence Limited - Siemens Energy deploys a lightweight offshore substation design — reduced-mass topside for offshore wind grid connection
2026-08-19 · Transformer Magazine · 19 Aug 2026 [en] · confidence Limited - UK: National Grid launches the North West London Upgrade — Hyundai Electric supplies the transformers, Siemens Energy the shunt reactors, unlocking 1 GW of data-centre connections · 1 GW · 60 km cable
2026-08-17 · Transformer Magazine / National Grid · 17 Aug 2026 [en] · confidence Limited - Siemens Energy Grid Technologies backlog hits a record €51bn ($59bn) — orders +28% to €5.4bn, book-to-bill 1.48, and no new transformer capacity until 2030 · €51bn backlog
2026-08-09 · Mgrid / Siemens Energy Q3 FY26 · 9 Aug 2026 [en] · confidence Limited - Siemens Energy starts construction of $300m grid-equipment plant in Pearl, Mississippi · $300m
2026-07-20 · Transformer Technology / Siemens Energy · 20 Jul 2026 [en] · confidence Limited
Recent developments
Sourced from TransformerPath Daily Intel. An item is shown because it references this company — it is not an independently verified award, order or project attribution.
- Red Eléctrica awards a 400 kV GIS bay at Santa María de Grado to Siemens Energy
TED · 15 Oct 2026 [es] - Red Eléctrica awards three 220 kV GIS bays to Siemens Energy
TED · 15 Oct 2026 [es] - Siemens Energy & TenneT achieve factory acceptance test (FAT) milestone on 2 GW BalWin3 offshore HVDC transformer package
Transformer Magazine · 11 Sep 2026 [en] - Siemens Energy deploys a lightweight offshore substation design — reduced-mass topside for offshore wind grid connection
Transformer Magazine · 19 Aug 2026 [en] - UK: National Grid launches the North West London Upgrade — Hyundai Electric supplies the transformers, Siemens Energy the shunt reactors, unlocking 1 GW of data-centre connections
Transformer Magazine / National Grid · 17 Aug 2026 [en] - Siemens Energy Grid Technologies backlog hits a record €51bn ($59bn) — orders +28% to €5.4bn, book-to-bill 1.48, and no new transformer capacity until 2030
Mgrid / Siemens Energy Q3 FY26 · 9 Aug 2026 [en] - Siemens Energy starts construction of $300m grid-equipment plant in Pearl, Mississippi
Transformer Technology / Siemens Energy · 20 Jul 2026 [en] - Siemens Energy to rebrand as ‘Omterra’
Transformers Magazine · 15 Jul 2026 [en]
Latest intelligence about this company
- Siemens Energy & TenneT achieve factory acceptance test (FAT) milestone on 2 GW BalWin3 offshore HVDC transformer package
Testing completed at Nuremberg factory on the first 600 MVA, 525 kV DC converter transformer unit for the German North Sea BalWin3 offshore grid link,…
- Siemens Energy to rebrand as ‘Omterra’
Europe's largest grid-equipment supplier announced it will rebrand as Omterra — a naming change with practical follow-through for tender documents, ve…
- Siemens Energy bags ~$4bn EGL4 contract — two HVDC converter stations for the 2 GW Scotland–England link
SP Energy Networks and National Grid Electricity Transmission confirmed Siemens Energy to deliver the Fife (Scotland) and Norfolk (England) converter …
Regional intel
Same country, not evidenced as about this company.
- Hitachi Energy opens expanded EHV transformer testing laboratory at Bad Honnef plant (Germany)
New facility adds impulse testing capacity up to 1,200 kV and automated partial discharge diagnostic bays to handle surging European transmission grid…
- First steel cut for 50Hertz Ostwind 4 offshore converter platform (525 kV Baltic HVDC)
Drydocks World began fabricating the converter-station topsides for Germany's first 525 kV Baltic Sea HVDC connection — the platform will house the of…
- Friedrich Vorwerk wins H2Coastlink 1 — tie-in for EWE's 320 MW Emden electrolyser
ARGE wins the ~24 km Emden–Leer high-pressure H₂ line connecting the electrolyser to Germany's core network; works start this summer, handover autumn …
Upcoming events
- VDE Hochspannungstechnik 2026 10 Nov 2026 · Berlin, Germany
- Power Transmission & Distribution Tech Expo 2026 17 Nov 2026 · Cologne, Germany
- E-world Energy & Water 2027 16 Feb 2027 · Essen, Germany
- elektrotechnik 2027 (Dortmund) 16 Feb 2027 · Dortmund, Germany
- eltefa 2027 (Stuttgart) 2 Mar 2027 · Stuttgart, Germany
Last reviewed: 2026-08-28.
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- Red Eléctrica awards a 400 kV GIS bay at Santa María de Grado to Siemens Energy
- Red Eléctrica awards three 220 kV GIS bays to Siemens Energy
- Daily Intel