WTE Wassertechnik

What WTE Wassertechnik does

WTE Wassertechnik GmbH, headquartered in Essen, Germany, is an integrated municipal water management specialist delivering the full lifecycle of wastewater treatment, drinking water supply, sewage sludge processing, and pipeline infrastructure. Founded in 1993 (with prior corporate history dating to 1984), the company operates across 11 countries with more than 10 subsidiaries and approximately 650 employees, treating around 10 million cubic metres of wastewater per day and providing technical and commercial operational management for water treatment plants serving roughly 4 million people. Its technology stack combines conventional process engineering with proprietary assets: sludge2energy GmbH's thermal sewage sludge utilisation process (auto-thermal fluidised bed combustion, 4,000–7,000 t DS/a throughput, 8,000 h/a availability), the WARIOS digital monitoring and benchmarking platform, the gbm4 billing module, and an emerging microbial fuel cell pilot (1,000 L, up to 113 mW/m²Kat output) developed with Ruhr-Universität Bochum under BMBF funding. The company also holds long-standing ISO 9001, 14001, 50001, and OHSAS/ISO 45001 certifications and has logged 10 million accident-free working hours.

WTE makes money through five interlocking revenue streams tied to municipal and government clients: (i) professional design and engineering services, (ii) one-time construction contracts delivered as EPC, BOT, or PPP packages, (iii) recurring managed services for the long-term operational management of plants it has built or acquired, (iv) project financing arrangements that often bring EU Cohesion Fund, Swiss Federal Council, or development-bank capital alongside municipal budgets, and (v) subscription-based digital products (WARIOS, gbm4). Pricing is bespoke per project and not publicly disclosed. Customer concentration is entirely governmental — cities, municipal utilities, and ministries across Germany, Poland, the Baltic states, Czech Republic, Romania, North Macedonia, Montenegro, Bahrain, and Kuwait. Until June 2025, WTE was a wholly-owned subsidiary of Austrian listed utility EVN AG; on 18 June 2025 STRABAG SE signed a purchase agreement to acquire WTE for €100 million plus assumed shareholder loans, with closing subject to regulatory approval within six months, transitioning WTE into a construction-services-led group with materially larger capital and tendering capacity.

Name

WTE Wassertechnik

Legal name

WTE Wassertechnik GmbH

Website

https://wte.de

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

251–500 employees

Short description

WTE Wassertechnik is a German integrated municipal water management company that designs, finances, builds, and operates wastewater, drinking water, and sewage sludge treatment plants for public-sector clients across 11 countries, serving 4 million people.

Ownership category

akta.pro rank

Product category

Municipal Water Infrastructure Services

NAICS

Sewage Treatment Facilities (221320), Water Supply and Irrigation Systems (22131), Water, Sewage and Other Systems (2213)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Sanitary Services (4950), Water Supply (4941), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Wastewater Treatment Plant (WWTP) Operations & Maintenance (BPALAMAB)

akta.pro secondary industries

Wastewater Treatment Plant Construction (WWTP) (IMAFAGAB), Water Treatment Plant Construction (Drinking Water) (IMAFAGAA), Waste-to-Energy (WtE) Incineration & Power/Heat Generation (EUAIACAG), WtE Plant Development, EPC & O&M Services (Project delivery and operations) (EUAAAKAK)

Keywords

• Municipal wastewater treatment
• Sewage sludge incineration
• Drinking water supply
• Wastewater plant construction
• Water infrastructure financing

Headquarters

HQ city

Essen

HQ country

Germany

HQ region

Europe

Offices12 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Plant Design and Engineering Services: WTE plans and engineers water and wastewater treatment plants, sewage sludge incineration facilities, and pipeline infrastructure. Revenue is earned through engineering and design contracts, typically as part of larger DBO (Design, Build, Operate) or EPC (Engineering, Procurement, Construction) project contracts.
2. Plant Construction: WTE finances, constructs and commissions water infrastructure projects including wastewater treatment plants, drinking water supply systems, sewage sludge incineration plants, and pipeline networks. Revenue is generated through construction contracts, often as part of BOT (Build-Operate-Transfer) or PPP arrangements.
3. Operational Management: WTE provides long-term technical and commercial operational management of water treatment plants. The company manages operational contracts for municipal clients across multiple countries, serving approximately 4 million people through operational management of water treatment plants. Revenue is recurring over contract terms.
4. Financing Services: WTE arranges and provides project financing for water infrastructure. The company structures financing for large-scale municipal projects, including EU Cohesion Fund co-financing, international development bank funding, and private finance arrangements.
5. Digital Products: WTE offers digital products including WARIOS software for plant monitoring, benchmarking and operational management, and gbm4 for fee/billing management.

Go-to-market motion2 records

Distribution channels6 records

Marketing channels9 records

Core offering

WTE Wassertechnik provides integrated water management services to municipal governments and utilities on a full-lifecycle basis: plant design, project financing, construction, commissioning, and long-term technical/commercial operational management. Core service lines include municipal wastewater treatment, drinking water supply, sewage sludge incineration with energy recovery, and pipeline construction. The company also licenses digital products (WARIOS® plant monitoring platform and gbm4® billing module) used to operate and benchmark its plants.

Product overview

WTE Wassertechnik is a provider of integrated water management solutions operating on a full-service model covering plant design, financing, construction, and operational management. The company offers both physical infrastructure services (drinking water supply, wastewater treatment, sewage sludge incineration, pipeline construction) and digital products. The digital product portfolio includes WARIOS®, a water management software platform featuring descriptive dashboards for operational monitoring and benchmarking of international wastewater treatment plants, and gbm4®, a fees and contributions management module. The physical services and digital products work together as an integrated offering where operational data from treatment plants can be visualized and managed through the digital platforms.

Differentiator

Problem solved

Functional benefit

Brands

• WARIOS®: Digital product platform for water management solutions
• gbm4®

Products and services

• Plant Design Engineering and process design services for water and wastewater treatment plants, sewage sludge incineration facilities, and pipeline infrastructure. Sold to municipal clients as part of integrated DBO/EPC project contracts.
• Project Financing Structuring and provision of project financing for large-scale municipal water infrastructure, including EU Cohesion Fund co-financing, international development bank funding, and private finance arrangements under BOT/PPP/DBO models. Sold to municipal governments.
• Plant Construction Construction and commissioning of drinking water supply systems, wastewater treatment plants, sewage sludge incineration plants, and pipeline networks. Delivered as part of DBO, BOT, or EPC project contracts for municipal clients.
• Operational Management Long-term technical and commercial operational management of water treatment plants for municipal clients across Germany, Poland, the Baltics, Kuwait, and Bahrain, serving approximately 4 million people.
• Drinking Water Supply Design, construction, and operation of drinking water treatment and supply facilities (e.g., Gilău drinking water plant, 228,960 m³/day) for municipal clients.
• Wastewater Treatment Municipal wastewater treatment plant design, construction, and operation, including flagship projects such as Umm Al Hayman (Kuwait), Prague WWTP, Skopje, and Opole.
• Sewage Sludge Incineration Thermal utilisation of sewage sludge delivered through the proprietary sludge2energy (S2E) process — combined drying and combustion in a fluidised bed furnace, with energy recovery and phosphorus-rich ash output. Sold to municipal clients by sludge2energy GmbH (WTE subsidiary).
• Pipeline Construction Construction of pipelines for water transport and distribution networks as part of integrated water infrastructure projects for municipal clients.
• WARIOS® Proprietary software platform for plant monitoring, operational management, and international benchmarking of municipal wastewater treatment plants. Used by WTE and offered to municipal utilities.
• gbm4® Fee and contribution management software module that integrates with the WARIOS® platform for administrative and billing purposes. Offered to municipal utilities.

Quantifiable outcome

• 10 million m³ wastewater treated per day
• +6 more outcomes

Named customers14 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

16 partnerships are on record, tiered major, core and minor.

• Siemens AGmajorTechnology or Integration · 19 July 2024WTE and Siemens maintain a close, longstanding partnership. A film produced by WTE and Siemens highlights their close partnership in water technology projects. Siemens provides automation, instrumentation, and digitalization solutions integrated into WTE's water and wastewater plants.
• Mitsubishi Electric CorporationmajorTechnology or Integration · 13 October 2021Mitsubishi Electric Corporation is the subcontractor responsible for the electrical substation (300 kV/132 kV/11 kV) at the Umm Al Hayman wastewater treatment project in Kuwait. Upon completion, the substation is operated by Kuwait's Ministry of Electricity and Water (MEW).
• Awite Bioenergie GmbHcoreStrategic or Co-development Partner · 1 September 2018WTE collaborated with Awite Bioenergie GmbH (Langenbach, Bavaria) as project manager and Ruhr University Bochum on the BMBF-funded AGaBZ research project for automated microbial fuel cells (MFCs) at municipal wastewater treatment plants. Awite manages the overall project while WTE operates the pilot plant.
• Ruhr-Universität Bochum (Chair of Urban Water Management and Environmental Engineering, Prof. Dr.-Ing. Marc Wichern)coreStrategic or Co-development Partner · 1 September 2018Ruhr-Universität Bochum is a research partner in the AGaBZ automated microbial fuel cell project, providing scientific expertise in urban water management and wastewater treatment technology. The chair is led by Prof. Dr.-Ing. Marc Wichern.
• HUBER SEcoreStrategic or Co-development Partner · 30 May 2012WTE and HUBER SE co-founded sludge2energy GmbH in 2012 for innovative sewage sludge utilisation concepts. WTE acquired HUBER SE's 50% share in December 2022, gaining full ownership. WTE and HUBER continue to cooperate on execution of sludge2energy projects. The S2E process uses HUBER equipment (RotaDry disc dryers) within the fluidised bed furnace system.
• German Business Council Kuwait (GBCK)minorGTM or Marketing PartnerGBCK is a dynamic organisation dedicated to promoting business relations between Germany (in partnership with Austria and Switzerland) and Kuwait. WTE hosted a GBCK visit to its Umm Al Hayman construction site in October 2023 with ~25 guests including European embassy representatives.
• Ingenieurbüro KocksminorImplementation/ SI/ Consulting PartnerIngenieurbüro Kocks (Koblenz) conducts quarterly construction progress reviews of the Umm Al Hayman project on behalf of the banks financing the BOT portion. Reviews assess: billed construction progress vs. actual progress, quality, and remaining financing adequacy.
• enercity Contracting GmbHmajorChannel Partner/ Reseller/ Distributorenercity Contracting GmbH (Hannover) commissioned sludge2energy GmbH to build the sewage sludge mono-incineration plant Hannover-Lahe. This represents sludge2energy's first major plant under WTE's full ownership, treating ~130,000 t/a dewatered sewage sludge and providing district heating to ~3,500 households.
• GIZ (Deutsche Gesellschaft für Internationale Zusammenarbeit)minorStrategic or Co-development PartnerWTE supports GIZ programmes for international development, currently supervising two interns from North Macedonia under a GIZ programme, providing accommodation assistance, knowledge transfer, and recognised certification.
• Universität Duisburg-EssenminorStrategic or Co-development PartnerWTE maintains contacts with University of Duisburg-Essen, regularly offering bachelor's theses in process engineering and civil engineering. The university includes chairs for Urban Water and Waste Management and for Mechanical Process Engineering/Water Technology.
• Ruhr-Universität BochumminorStrategic or Co-development PartnerWTE maintains active research partnerships with Ruhr-Universität Bochum (Chair of Urban Water Management and Environmental Technology), offering thesis topics and collaborative research including microbial fuel cell projects.
• Forschungsinstitut für Wasserwirtschaft und Klimazukunft an der RWTH Aachen e.V. (FiW)minorStrategic or Co-development PartnerFiW at RWTH Aachen is a key research partner for WTE, focusing on water management and climate future research. WTE sponsors and collaborates on research through this institute.
• Technische Universität Dresden (Institut für Siedlungs- und Industriewasserwirtschaft)minorStrategic or Co-development PartnerWTE collaborates with TU Dresden's Institute for Urban and Industrial Water Management on research and thesis topics related to water and wastewater treatment.
• Technische Universität Hamburg (Institut für Abwasserwirtschaft und Gewässerschutz, Institut für Technische Mikrobiologie)minorStrategic or Co-development PartnerWTE maintains research partnerships with TU Hamburg's Institute for Waste Water and Water Protection (AWW) and Institute for Technical Microbiology, providing thesis opportunities and collaborative R&D.
• TuTech Innovation GmbH, HamburgminorStrategic or Co-development PartnerWTE collaborates with TuTech Innovation GmbH in Hamburg on innovation projects in the water sector, supporting technology transfer and research commercialisation.
• Biomasseverwertung Straubing GmbH (BSR)majorChannel Partner/ Reseller/ DistributorBSR GmbH commissioned sludge2energy GmbH (WTE subsidiary) to build a sewage sludge mono-incineration plant in Straubing, Bavaria, designed for 120,000 t/a sewage sludge. This project significantly reduces transport distances (previously up to 400 km) in Bavaria.

Scale indicators19 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• VA Tech WABAG: India-headquartered global EPC and O&M specialist for municipal water and wastewater treatment plants, with strong MENA and European project track record. Direct competitor for the same international municipal DBO tenders that WTE pursues.
• IDE Technologies: Israeli water treatment specialist with growing municipal wastewater and reuse footprint alongside its desalination core. Comparable in targeting international municipal tenders and offering integrated project delivery, including in MENA.
• Doosan Enpure (Doosan Heavy Industries & Construction): Korean EPC contractor for large-scale municipal water and wastewater treatment plants globally, including DBO projects in MENA and Southeast Asia. Comparable in scale, project delivery model, and international tender participation.
• Aqualia (FCC Environment): Spanish municipal water utility and services operator, part of FCC Group; operates WWTPs and drinking water networks under long-term concessions across Europe, MENA and Latin America. Direct comparator for WTE's municipal DBO and operational management business.
• Acciona Agua: Spanish specialist in DBO/BOT/PPP municipal water and wastewater treatment, serving clients in Europe, Latin America, Middle East and Africa. Closely mirrors WTE's full-lifecycle municipal DBO model with comparable contract sizes and geographic profile.

Broad incumbents

• Veolia Water Technologies & Solutions: Global leader in water treatment technologies, EPC and operational services for municipal and industrial clients. Directly comparable to WTE in offering integrated water solutions, but with vastly larger scale, broader geographic footprint, and a much wider portfolio beyond municipal wastewater.

Emerging players

• Ovivo (Groupe Ovivo): Canadian-headquartered provider of water and wastewater treatment equipment and solutions, with municipal and industrial focus. Comparable as a mid-sized specialist competing for municipal WWTP contracts, though Ovivo is more equipment-supply-led.
• Organica Water: Hungarian-origin biological wastewater treatment specialist using Fixed-Biofilm Activated Sludge (FBAS) technology in containerised municipal plants. Comparable as an emerging technology-focused competitor targeting municipal WWTPs in Europe and emerging markets.
• Fluence Corporation: Provider of decentralized and modular water and wastewater treatment solutions, with growing municipal and industrial focus. Comparable as an emerging technology-led competitor in mid-sized municipal WWTP tenders where WTE also competes.

Others

• HUBER SE: German manufacturer of water, wastewater and sludge treatment equipment (screens, sludge thickeners, disc dryers), and WTE's former 50/50 joint-venture partner in sludge2energy GmbH. Closely comparable on sludge treatment technology, and continues to cooperate with WTE on sludge2energy project execution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks1 record

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about WTE Wassertechnik