What Trench Group does

Trench Group GmbH is a Berlin-headquartered global manufacturer of high-voltage power transmission components, organized into three core product families: instrument transformers, bushings, and coils. The portfolio spans voltages up to 1,200 kV AC and 1,200 kV DC, including RIP, RIS, and RIG bushing technologies, air core shunt and series reactors, arc suppression coils, optical current transformers, and the ARCC wildfire mitigation system. With the March 2026 acquisition of Enerlux Power, the company has also entered power capacitors and power factor correction. Its REGENERA label consolidates sustainable offerings such as SF6-free Clean Air and biodegradable Eco Fluid products, which together drove over 50% of FY2025 order intake.

The company serves electric utilities and grid operators, transformer OEMs, and hyperscalers building data center power infrastructure. It operates through a direct enterprise field-sales motion backed by 10–11 manufacturing sites and five regional sales hubs across Europe, North America, and Asia, with the $60M Charlotte, NC facility expanding US capacity to up to 3,500 dry-type transformer bushings per year.

Revenue grew nearly 30% in FY2024 versus FY2023, taking order intake past €1B, and the company is owned by Triton Partners following its April 2024 carve-out from Siemens Energy. Customer concentration skews to a small universe of large utilities, OEMs, and hyperscalers, with North America alone representing over 40% of Q1 2026 order intake.

Name

Trench Group

Legal name

Trench Group GmbH

Website

https://trench-group.com

Company type

Private

Founded year

1898

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Trench Group GmbH is a Berlin-headquartered global manufacturer of high-voltage power transmission components (instrument transformers, bushings, coils, and power capacitors) serving utilities, transformer OEMs, and hyperscalers across 10–11 factories and five regional sales hubs, owned by Triton Partners since its April 2024 carve-out from Siemens Energy.

Ownership category

akta.pro rank

Product category

High Voltage Power Transmission Components

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment Manufacturing (33531), Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Power, Distribution & Specialty Transformers (3612), Electronic Coils, Transformers & Other Inductors (3677), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Transformers (Power, Distribution, Instrument, Specialty) (IMAGAAAA)

akta.pro secondary industries

Transmission & Distribution Line Equipment (Bushings, Insulators, Arresters, Conductors, Hardware) (IMAGAAAF), Reactive Power & Power Quality Equipment (Capacitor Banks, Reactors, STATCOM/SVC, Harmonic Filters) (IMAGAAAG), HVDC Cables & Overhead Lines (Subsea, Underground, Overhead) (EUADAMAB), HVDC Converter Stations & HVDC Transmission EPC (EUAEABAD)

Keywords

• High voltage components
• Instrument transformers
• Transformer bushings
• Power grid equipment
• Air core reactors

Headquarters

HQ city

Bamberg

HQ country

Germany

HQ region

Europe

Offices10 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Infrastructure, Operations, Technology or R&D, Personnel, Marketing or Sales, Supply Chain

Revenue model

1. High-Voltage Component Manufacturing: Direct product business manufacturing and selling high-voltage power transmission components including bushings, instrument transformers, and coils. Components sold to utilities, grid operators, transformer manufacturers, and hyperscalers. Revenue grew nearly 30% in FY2024 compared to FY2023, becoming a billion-dollar company by order intake.
2. Long-term Supply Agreements: Multi-year supply contracts with major transformer manufacturers and hyperscalers for transformer bushings and high-voltage components supporting grid infrastructure expansion
3. Services and Consulting: Asset services, consulting expertise, and support services related to 765 kV portfolio and high-voltage transmission infrastructure

Go-to-market motion3 records

Distribution channels3 records

Marketing channels6 records

Core offering

Trench Group manufactures and sells high-voltage power transmission components for electrical grid infrastructure. Its three core product categories are instrument transformers, bushings, and coils, offered across multiple insulation technologies including Clean Air (SF6-free), Eco Fluid (biodegradable), and conventional fluid/gas options, serving voltage levels up to 1200 kV AC and HVDC applications. Products are sold directly to utilities, grid operators, transformer manufacturers, and hyperscalers through long-term supply agreements and direct enterprise field sales across ten to eleven global factories and five regional sales hubs.

Product overview

Trench Group is a global leader in high-voltage power transmission components with three core product categories: bushings, coils, and instrument transformers. The company offers an integrated portfolio spanning multiple insulation technologies including Clean Air (SF6-free), Eco Fluid (biodegradable), and conventional fluid/gas options. Key products include RIP (Resin Impregnated Paper) and RIS (Resin Impregnated Synthetic dry-type) bushings up to 1200 kV, air core shunt reactors up to 550 kV, and instrument transformers up to 1200 kV. The company also provides specialized solutions for HVDC applications, wildfire mitigation (ARCC system), and power quality correction. Recent acquisitions include Enerlux Power (capacitors and power factor correction systems) and the new HSP US manufacturing facility. The REGENERA sustainability label identifies products with reduced environmental impact. Trench Group positions itself as a technology leader in HVDC transmission and serves grid operators worldwide.

Differentiator

Problem solved

Functional benefit

Brands

• REGENERA: Trench Group's Green Quality Label awarded to offerings that combine technical excellence with environmental responsibility. Includes sustainable products such as Clean Air instrument transformers and Eco Fluid products.
• ARCC
• Trench 765

Products and services

• Instrument Transformers
• Clean Air Instrument Transformers
• Eco Fluid Instrument Transformers
• Conventional Fluid Instrument Transformers
• Conventional Gas Instrument Transformers
• Optical Current Transformers
• High Voltage Test Systems
• Coils
• Air Core Shunt Reactors
• Air Core Series Reactors
• Line Traps
• Eco Fluid Arc Suppression Coils
• ARCC Wildfire Mitigation System
• Earth Fault Detection System
• Bushings
• RIP Transformer Bushings
• RIP HVDC Bushings
• RIP Generator Bushings
• RIP GIS Bushings
• RIS Transformer Bushings
• RIG Generator Bushings
• RIG High Current Transformer Bushings
• Eco Fluid Transformer Bushings
• Conventional Fluid Transformer Bushings
• Enerlux Power Capacitors
• Trench 765 Portfolio

Quantifiable outcome

• Revenue grew nearly 30% in FY2024 compared to FY2023
• +6 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Six partnerships are on record, tiered core and supporting.

• Enerlux Power SRLcoreStrategic or Co-development Partner · 2 March 2026Acquisition completed March 2, 2026. Enerlux, an Italian manufacturer of power capacitors and power factor correction systems, becomes integral part of Trench Group. Combining Trench's leadership in coils and instrument transformers with Enerlux's capacitor expertise creates comprehensive customer offering for power quality segment. 50 skilled employees at Viadana facility join the group.
• Central Piedmont Community CollegesupportingStrategic or Co-development Partner · 1 January 2026U.S. Department of Labor-registered apprenticeship program partnership. Kelsea Ratchford is Trench Group's first US apprentice, combining hands-on training at HSP US factory with studies at Central Piedmont Community College as an Apprentice Electrical Maintenance Technician.
• Reinhausen Power Composites (RPC)supportingStrategic or Co-development Partner · 1 December 2025Trench Group acquired production facilities for composite insulators from RPC. The acquisition includes all key machines, equipment, software, and intellectual property rights required for development, design, and manufacturing of the entire hollow core composite insulator portfolio.
• Luminance AIsupportingTechnology or IntegrationLuminance AI provides contract management AI platform that enables Trench Group to autonomously handle 80% of contracts across the enterprise. Implementation reduced average contract review time from 150 minutes to 30 minutes and cut tariff analysis on 700 contracts from 2.5 weeks to under two hours.
• Major Transformer Manufacturers (US)coreChannel Partner/ Reseller/ DistributorLong-term supply agreements with major transformer manufacturers in the US for dry-type transformer bushings supporting power grid infrastructure expansion and modernization projects.
• Hyperscalers (US)coreChannel Partner/ Reseller/ DistributorKey hyperscalers in the US with long-term supply agreements for transformer bushings supporting data center power infrastructure and grid connections for massive electricity demand.

Scale indicators11 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Hitachi Energy: Hitachi Energy is the closest direct peer to Trench, offering HV instrument transformers, bushings, HVDC converter stations, and grid integration solutions up to 1200 kV. Both compete head-to-head for utility, OEM, and hyperscaler HV component supply agreements.
• Arteche: Arteche is a Spain-based direct peer in HV instrument transformers, with deep presence in utilities worldwide. Both companies supply current/voltage transformers and auxiliary equipment to transmission utilities and OEMs at comparable voltage classes.
• Pfiffner Group: Pfiffner is a Swiss-based direct peer specializing in HV instrument transformers and oil-immersed power products. Like Trench, it focuses on niche, high-quality HV measurement and protection products for utility and industrial customers.
• Hammond Power Solutions: Hammond Power Solutions manufactures dry-type and cast-resin transformers and magnetics for industrial and utility markets. While smaller and more focused on distribution-class transformers, it overlaps with Trench's RIS dry-type insulation technology and serves similar OEM channels.

Broad incumbents

• ABB: ABB's Electrification and Motion divisions offer HV instrument transformers, bushings, switchgear, and full grid solutions. As a broader incumbent with a wider portfolio (drives, robotics, process automation), ABB overlaps with Trench's HV component offerings while serving many adjacent markets.
• Siemens Energy: Siemens Energy was Trench's former parent and remains a direct competitor across HV transformers, HVDC, and grid technology. Its Grid Technologies division competes for many of the same utility, OEM, and hyperscaler HV component contracts globally.
• GE Vernova: GE Vernova's Grid Solutions business offers HV instrument transformers, HVDC systems, switchgear, and grid software. As a broad incumbent spun out of GE, it competes for utility-scale HV projects that Trench also targets, particularly in the US.
• Eaton: Eaton's Electrical Americas and Global Energy divisions supply transformers, switchgear, and power management components to utilities and data centers. It competes indirectly via transformer OEMs and offers a broader portfolio than Trench's specialized HV component focus.
• Schneider Electric: Schneider Electric's Grid Equipment and Digital Energy businesses compete in HV substations, MV switchgear, and grid automation. While its core focus is on MV and digital solutions, it serves many of the same utility customers as Trench and is a meaningful adjacent competitor.

Emerging players

• Maschinenfabrik Reinhausen: Reinhausen is the global leader in on-load tap-changers and a partner/former counterparty to Trench via the RPC composite insulator divestiture. Both serve transformer OEMs with complementary HV components, making them adjacent rather than head-to-head competitors.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@trenchgroup8585
• LinkedInlinkedin.com/company/trench-group

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries11 records

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Trench Group