WT Energiesysteme
WT Energiesysteme GmbH is a German mid-sized engineering and construction firm that designs, builds, and modernizes high-voltage substations (10-380 kV) and switchgear cabinets for energy utilities, wind and solar developers, hydrogen producers, and industrial clients.
- Company typePrivate
- Founded2002
- HeadquartersRiesa, Germany
- Headcount11–50
- GTM typeB2B
- OfferingServices
What WT Energiesysteme does
WT Energiesysteme GmbH is a German mid-sized engineering and construction firm specializing in high-voltage substations (Umspannwerke) for the renewable energy transition. Founded in 2002 and headquartered in Riesa, Saxony, with a secondary office in Dresden and an operations site in Rostock, the company designs, builds, commissions, and modernizes substations and grid feed-in installations in the 10-380 kV voltage range. The customer base spans energy utilities, wind farm operators, solar park developers, hydrogen producers, and industrial enterprises. Management describes the company as one of the leading substation builders for renewable energy in Germany.
The technology stack centers on turnkey substation delivery: feasibility studies, permit application support, primary and secondary engineering, civil works, switchgear cabinet manufacturing (in-house), protection and control system integration, and commissioning. A second product line consists of in-house switch, protection, control, and remote-control cabinets that are accepted by all German grid operators. The company has also extended into battery energy storage systems (BESS) from 5 MW up to 100 MW/2h through subsidiary WT Energiespeicher GmbH, and provides electrical installation and line construction (EAB) services. The group operates three wholly-owned subsidiaries: WT Energiespeicher (BESS), EAS Elektro-Anlagenbau Roland Schneider (low-voltage switchgear and custom solutions), and F&W Industriemontage (substation electrical installation). WT holds ISO 9001, ISO 14001, ISO 45001, and SCC certifications.
The business model is project-based enterprise sales. Pricing is quote-driven and scope-specific, with no public pricing and multi-year contract cadence on large infrastructure deployments. Revenue mechanics are dominated by one-time substation construction contracts, supplemented by hardware sales of switchgear cabinets and ancillary professional services. Distribution is direct enterprise field sales with a single point of contact from greenfield to key handover, supported by participation in flagship trade shows (WindEnergy Hamburg, Husum Wind, The smarter E Europe, Windenergietage Linstow). Stated annual revenue exceeds €190 million with reported return on equity above 200%; the company is privately held by three managing directors with no identified institutional ownership.
WT Energiesysteme firmographics
Firmographics- Name
- WT Energiesysteme
- Legal name
- WT Energiesysteme GmbH
- Website
- https://wt-energiesysteme.de
- Company type
- Private
- Founded year
- 2002
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- WT Energiesysteme GmbH is a German mid-sized engineering and construction firm that designs, builds, and modernizes high-voltage substations (10-380 kV) and switchgear cabinets for energy utilities, wind and solar developers, hydrogen producers, and industrial clients.
- Ownership category
- akta.pro rank
WT Energiesysteme industry classification
Industry- Product category
- High-Voltage Substation Engineering and Construction
- NAICS
- Switchgear and Switchboard Apparatus Manufacturing (335313), Electric Bulk Power Transmission and Control (221121), Power and Communication Line and Related Structures Construction (237130)
- SIC
- Switchgear & Switchboard Apparatus (3613)
- akta.pro primary industry
- High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control) (EUAEAFAA)
- akta.pro secondary industries
- Testing, Commissioning, Maintenance & Retrofit/Modernization (Substations/Switchgear) (EUADACAL), Energy Storage Balance-of-Plant (enclosures, switchgear, protection, metering) (IMAGAHAK), Transmission & Substation O&M (HV Equipment Maintenance) (EUAEAGAD)
Keywords
Where WT Energiesysteme is headquartered
LocationHeadquarters
- HQ city
- Riesa
- HQ country
- Germany
- HQ region
- Europe
Offices3 records
Markets served
WT Energiesysteme business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Substation Engineering & Construction: Turnkey substation construction including feasibility studies, permit applications, planning, construction, and commissioning for 10-380 kV installations.
- Switchgear Cabinet Manufacturing: In-house design and fabrication of switch, protection, control, and remote control cabinets for substations and third-party customers.
- Battery Energy Storage Systems (BESS): Development, planning, and construction of battery energy storage systems including grid connection point.
- Energy Systems Construction (EAB): Electromontage and line construction services including cable laying, fiber optic deployment, mast replacement, and tower extensions.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-specific pricing based on scope and voltage level |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels9 records
WT Energiesysteme product offering
Product offeringCore offering
WT Energiesysteme GmbH is a German mid-sized company that builds, maintains, and modernizes high-voltage substations (Umspannwerke) and grid connection infrastructure in the 10 to 380 kV range, with a turnkey offering from feasibility study through permit applications, planning, construction, and commissioning. The company complements its substation work with in-house switchgear cabinet manufacturing, battery energy storage systems (BESS) from 5 MW up to 100 MW/2h, and electromontage/line construction services for energy utilities, wind and solar operators, hydrogen producers, and industrial customers.
Product overview
WT Energiesysteme is a medium-sized German company specializing in energy conversion infrastructure for renewable energies. Their product portfolio centers on the construction of high-voltage substations (Umspannwerke) ranging from 10 to 380 kV, complemented by in-house switchgear cabinet manufacturing (Schaltschränke), battery energy storage systems (BESS) for grid stabilization from 5 MW to 100 MW/2h, and comprehensive energy systems construction services (EAB) including electromontage and line construction. The company offers a complete turnkey service from greenfield to handover for substations serving wind, solar, and hydrogen production facilities, as well as industrial applications.
Differentiator
Problem solved
Functional benefit
Brands
- BESS (Batteriespeicher): Battery Energy Storage Systems from 5MW, with focus on solutions from 20MW/2h to 100MW/2h for renewable energy integration, energy trading, and provision of control power.
- Schaltschränke
- EAB (Energieanlagenbau)
Products and services
- Umspannwerke (Substations) Turnkey construction of high-voltage substations from greenfield to handover in the 10 to 380 kV range, including feasibility studies, permit applications, planning, construction, and commissioning. Serves energy utilities, wind and solar park operators, hydrogen producers, and industrial companies for renewable energy grid integration.
- Schaltschränke (Switchgear Cabinets)
- Batteriespeicher – BESS (Battery Energy Storage Systems)
- Energieanlagenbau – EAB (Energy Systems Construction Services)
Quantifiable outcome
- Over 250 substations successfully commissioned
- +2 more outcomes
Companies that use WT Energiesysteme
Customer profileNamed customers5 records
Segments5 records
Ideal customer profiles3 records
WT Energiesysteme technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
WT Energiesysteme partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and minor.
- SiemenscoreStrategic collaboration with Siemens on substation projects, including UW Lüerte project featuring joint video documentation of completed substation installation.
- SG Dynamo DresdenminorOfficial Exclusive Partner, sleeve partner of women's team, and official partner of Dynamo Kinderangebote supporting children's football school with 1325 participants, youth sports, and 17 holiday camps. Particularly supports Giraffenbande enabling children from low-income families to participate.
- DSC Volleyball Bundesliga FrauenminorOfficial Premium Partner of DSC Volleyball women's first division team.
- BSG Stahl RiesaminorOfficial Stahl-Partner of local Riesa football club BSG Stahl Riesa.
- Marien-Hospiz DresdenminorFirst construction patron (erster Baupate) of the day hospice in Dresden.
- Internationales Dixieland FestivalminorSponsor of the Dresdner Jazzmeile of WT Energiesysteme.
- WT Energiesysteme ArenacoreNaming rights sponsor of WT Energiesysteme Arena, the sports venue in Riesa.
Scale indicators5 records
Recent moves6 records
Expansion highlights6 records
WT Energiesysteme competitors and assessment
Company assessmentDirect peers
- Eaton: Global power management company providing switchgear, substations, and electrical solutions for utility and industrial customers. Competes with WT Energiesysteme in secondary equipment manufacturing and medium-voltage substation integration.
- Sungrow: Global leader in solar inverters and increasingly in utility-scale BESS solutions. Competes for European BESS projects in the same MW-scale range as WT Energiesysteme / WT Energiespeicher GmbH.
- GE Vernova: Spun off from GE in 2024, GE Vernova provides grid solutions including HV substations, switchgear, and grid software. Competes for utility-scale substation EPC contracts in renewable integration projects worldwide, including Germany.
- Tesla Energy: Tesla's energy business (Megapack, Powerpack) competes directly in utility-scale BESS deployment across Europe, including Germany. Strong balance sheet and standardized product pose scale competition to WT Energiesysteme's BESS offering.
- ABB: Major supplier of switchgear, protection & control systems, and substation components. Competes with WT Energiesysteme's Schaltschrank manufacturing line and supplies primary equipment into substations that WT Energiesysteme then integrates as EPC contractor.
- Siemens Energy: Global leader in substation EPC, grid technology, and HV electrical systems up to and beyond 380 kV. Direct competitor for utility, wind, and hydrogen substation contracts in Germany; also a strategic partner to WT Energiesysteme on select projects.
- SMA Solar Technology: German-headquartered inverter and energy storage solutions provider with deep German utility relationships. Competes with WT Energiesysteme in grid-tied storage and renewable integration projects, with similar regional customer base.
- Schneider Electric: Global electrical equipment, substation, and energy management solutions provider with strong presence in European utility and industrial markets. Competes across secondary equipment, switchgear cabinets, and substation digitalization.
- Fluence Energy: Leading global BESS integrator with strong European presence and utility-scale project track record. Direct competitor to WT Energiesysteme / WT Energiespeicher GmbH in the 20–100 MW/2h battery storage segment for renewable integration and balancing power.
- Hitachi Energy: World-leading provider of substation solutions, switchgear, transformers, and grid integration (formerly ABB Grid Solutions). Competes directly with WT Energiesysteme across the 10–380 kV substation EPC value chain globally and in Germany.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
WT Energiesysteme social profiles
Digital presenceWT Energiesysteme compliance and trust
Trust signalCompliance4 records
WT Energiesysteme financial estimates
Financial estimateRevenue estimate
Valuation estimate
WT Energiesysteme leadership team
Management profileNumber of profiles
Profiles7 records
WT Energiesysteme subsidiaries and ownership
Company hierarchySubsidiaries3 records
WT Energiesysteme funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
WT Energiesysteme M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about WT Energiesysteme
What does WT Energiesysteme do?
WT Energiesysteme GmbH is a German mid-sized company that builds, maintains, and modernizes high-voltage substations (Umspannwerke) and grid connection infrastructure in the 10 to 380 kV range, with a turnkey offering from feasibility study through permit applications, planning, construction, and commissioning. The company complements its substation work with in-house switchgear cabinet manufacturing, battery energy storage systems (BESS) from 5 MW up to 100 MW/2h, and electromontage/line construction services for energy utilities, wind and solar operators, hydrogen producers, and industrial customers.
Is WT Energiesysteme a public or private company?
WT Energiesysteme is a private company. It is classified as management employee owned and is currently operating.
When was WT Energiesysteme founded?
WT Energiesysteme was founded in 2002. It employs 11 to 50 people.
Where is WT Energiesysteme based?
WT Energiesysteme is headquartered in Riesa, Germany, in the Europe region.
How does WT Energiesysteme make money?
Four revenue lines are on record. Substation Engineering & Construction is the primary driver. The others are switchgear Cabinet Manufacturing, battery Energy Storage Systems (BESS) and energy Systems Construction (EAB).
Who are WT Energiesysteme's main competitors?
Direct peers on record are Eaton, Sungrow, GE Vernova, Tesla Energy, ABB, Siemens Energy, SMA Solar Technology, Schneider Electric, Fluence Energy and Hitachi Energy.
Does WT Energiesysteme have an API?
No public API is recorded for WT Energiesysteme.
What industry is WT Energiesysteme in?
WT Energiesysteme's product category is High-Voltage Substation Engineering and Construction. Its primary akta.pro industry code is EUAEAFAA, High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control), with a secondary code of EUADACAL, Testing, Commissioning, Maintenance & Retrofit/Modernization (Substations/Switchgear). Its NAICS code is 335313 and its SIC code is 3613.