Stawag Energy

What Stawag Energy does

STAWAG Energie GmbH, founded on 11 November 2003 and headquartered at Lombardenstraße 12-22 in Aachen, Germany, is a wholly-owned subsidiary of STAWAG — Stadt- und Städteregionswerke Aachen AG, which is itself integrated into E.V.A. Energieversorgungs- und Verkehrsgesellschaft mbH Aachen, a 100% subsidiary of the City of Aachen. The company plans, develops, finances, and operates renewable energy generation facilities — primarily wind energy and photovoltaics, with additional combined heat and power (CHP) and biogas assets — covering the full project lifecycle from site selection and permitting through construction, financing, and 20-year technical and commercial operations management. Its operating portfolio comprises 88 wind turbines (276 MW) and 91 MWp of photovoltaic capacity distributed across more than 25 wind parks in Germany, supplemented by offshore participation through Trianel Windpark Borkum (10 MW share). STAWAG Energie also offers repowering services for aging wind parks, 24/7 remote monitoring and operations management for 28 project companies, citizen participation (Bürgerbeteiligung) investment models, and an innovation pipeline including wastewater heat recovery and biogas feed-in to gas networks via Thyssengas.

The business model is project-based and asset-heavy, blending one-time project investment and development revenue with recurring electricity generation revenue (over 600 million kWh annually, equivalent to supply for 170,000+ households) and long-dated managed services fees. Indicative project economics include approximately 34 million euros invested in Windpark Nieder-Schleidern (three Vestas V162 turbines, 16.8 MW) and roughly 5.5 million euros in Solarpark Albessen (~3 MW). Go-to-market is primarily channel-driven through municipal utility (Stadtwerke) partnerships — including Trianel, Stadtwerke Lübeck, BETREM/ELWEA, enwor, e-regio, Stadtwerke Bergheim, Stadtwerke Ingolstadt, Thüga, and 100% RE IPP — combined with direct engagement of municipalities (e.g., Stadt Aachen purchases 22 million kWh annually for municipal buildings), landowners (land lease arrangements), and project development partners such as juwi. The company's customer base is concentrated in public-sector and municipal counterparties, and its reported 2013 revenue of approximately 16 million euros has since grown alongside a substantially larger operational asset base.

Name

Stawag Energy

Legal name

STAWAG Energie GmbH

Website

https://stawag-energie.de

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

11–50 employees

Short description

STAWAG Energie GmbH, founded in 2003 as a wholly-owned subsidiary of Aachen municipal utility STAWAG, plans, develops, finances, and operates renewable energy facilities — wind, solar PV, CHP, and biogas — serving municipalities, municipal utilities (Stadtwerke), landowners, and commercial customers across Germany and the Netherlands.

Ownership category

akta.pro rank

Product category

Renewable Energy Generation and Operations

NAICS

Wind Electric Power Generation (221115), Solar Electric Power Generation (221114), Electric Power Generation, Transmission and Distribution (2211)

SIC

Electric Services (4911), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Wind Farm EPC & Balance of Plant Construction (Civil, Electrical, Substations) (EUAMACAF)

akta.pro secondary industries

Wind Power Plant EPC (Onshore/Offshore) (EUAEAAAF), Wind Balance-of-Plant EPC (Crane Pads, Turbine Foundations, Internal Roads) (EUAEADAI), Electrical Balance-of-Plant EPC (MV Collection, Cabling, Earthing, Lighting) (EUAEADAB), Commissioning, Testing & Energization Services (Pre-Commissioning, Grid Code Compliance) (EUAMAFAK), Transmission Interconnection & Line Works (Gen-Tie Lines, Overhead/Underground Lines) (EUAMAFAF), Major Component Service & Overhauls (Gearboxes, Blades, Generators, Inverters, Turbines) (EUAMAGAF)

Keywords

• Renewable energy development
• Wind power generation
• Photovoltaic solar systems
• Wind park repowering
• Energy project financing

Headquarters

HQ city

Aachen

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Renewable Energy Project Development and Operation: Planning, realization, financing and operation of renewable energy generation facilities including wind energy, photovoltaics, and block heating power stations. The company operates its own portfolio of renewable energy assets.
2. Electricity Generation and Sales: Generation and sale of green electricity from wind parks and solar parks, supplying municipal customers and private households.
3. Project Investment: Direct investment in renewable energy projects with total investments of approximately 34 million euros for individual wind parks.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels4 records

Core offering

STAWAG Energie GmbH plans, realizes, finances, and operates renewable energy generation facilities, including wind energy parks (88 turbines / 276 MW), photovoltaic installations (91 MWp), and combined heat and power (block heating) stations. It additionally provides repowering services for aging wind parks, 24/7 technical and commercial operations management for 28 project companies, wastewater heat recovery solutions, and citizen participation investment programs for wind park projects.

Product overview

STAWAG Energie GmbH is a renewable energy company offering a portfolio of energy generation products and operational services. Core offerings include wind energy systems (88 turbines, 276 MW capacity), photovoltaic installations (91 MWp total capacity), and combined heat and power (CHP) systems. The company provides complementary services including repowering (replacing older turbines with modern units), technical operations management (24/7 monitoring, maintenance), and commercial operations management (contract optimization, financial reporting for 28 project companies). The company also developed wastewater heat recovery technology and offers citizen participation programs for community investment in wind projects. The portfolio generates approximately 567,992 tonnes of CO2 savings annually.

Differentiator

Problem solved

Functional benefit

Products and services

• Wind Energy Systems (Windparks)
• Photovoltaic Solar Systems (Photovoltaik)
• Combined Heat and Power Systems (Blockheizkraftwerke)
• Repowering Services
• Technical Operations Management (Technische Betriebsführung)
• Commercial Operations Management (Kaufmännische Betriebsführung)
• Wastewater Heat Recovery (Abwasserwärmenutzung)
• Citizen Participation Programs (Bürgerbeteiligung)
• Green Electricity Supply (Ökostrom)

Quantifiable outcome

• 567,992 tonnes of CO2 saved annually through renewable energy operations
• +2 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

Integration2 records

Feature3 records

Partnerships

Twelve partnerships are on record, tiered minor and core.

• ALRV (Aachener-Laurensberger Rennverein e.V.)minorStrategic or Co-development Partner · 16 March 2016Joint solar project at Soers venue. Large PV installation on STAWAG tribüne, ~300 kW peak, 700 modules, producing 300,000 kWh annually for ~100 households. Partnership since 1999, strong signal for sustainability at international equestrian events.
• Stadtwerke Lübeck GmbH / Trave Erneuerbare Energien GmbH & Co. KGcoreStrategic or Co-development Partner · 10 February 2014Joint venture for renewable energy development. Goal: ~80 MW capacity through repowering and new projects, primarily in North Germany. STAWAG holds 25.1% stake in Stadtwerke Lübeck. Also partnered on Windpark Beltheim II (40.1% stake for Lübeck) and Windpark Bokel.
• juwi GmbHcoreStrategic or Co-development PartnerLong-standing cooperation with juwi for wind park development. Successfully collaborated on wind parks including Jülich, Münsterwald, Simmerath (50+ MW combined). Extended partnership at Hamburg WindEnergy trade fair for further regional projects. juwi serves as general contractor for planning and construction.
• BETREM Emscherbrennstoffe GmbH / ELWEA GmbHminorStrategic or Co-development PartnerKooperationsunternehmen (cooperation company) for renewable energy projects, subsidiary of Emschergenossenschaft.
• enwor energie & wasser vor ort GmbHminorStrategic or Co-development PartnerRegional energy and water utility partner for renewable energy projects.
• e-regio GmbH & Co. KGminorStrategic or Co-development PartnerRegional energy company partnership for renewable energy development.
• Stadtwerke Bergheim GmbHminorStrategic or Co-development PartnerMunicipal utility partner. STAWAG offered option for up to 51% participation in Fischbachhöhe wind park for regional green electricity.
• Stadtwerke Ingolstadt Energie GmbHminorStrategic or Co-development PartnerMunicipal utility partnership for renewable energy projects.
• Thüga Erneuerbare Energie GmbH & Co. KGminorStrategic or Co-development PartnerPartnership with Thüga group for renewable energy projects.
• Trianel GmbHcoreStrategic or Co-development PartnerPartner in Trianel Windpark Borkum (offshore, 10 MW STAWAG share) - first purely municipal offshore wind park in Europe. Trianel GmbH coordinates consortium of 32+ municipal utilities and regional suppliers from Germany, Netherlands, Austria, Switzerland.
• 100% RE IPP GmbH & Co. KGminorStrategic or Co-development PartnerPartnership for renewable energy independent power production.
• E.V.A. Energieversorgungs- und Verkehrsgesellschaft mbH AachencoreStrategic or Co-development PartnerParent company holding structure. STAWAG is embedded in E.V.A., a 100% subsidiary of Stadt Aachen. Responsible for HR functions, recruiting services for STAWAG Energie through E.V.A. recruitment team.

Scale indicators11 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Mainova AG: Frankfurt municipal utility with a renewable energy arm and Stadtwerke character comparable to STAWAG's role. Operates larger-scale traditional utility services but matches STAWAG Energie's municipally rooted renewable development approach.
• Stadtwerke München (SWM): Large German municipal utility with one of the country's biggest city-utility renewable energy portfolios and offshore wind investments. Shares the municipal-utility ownership origin and renewable energy expansion mandate that drives STAWAG Energie.
• EnBW Energie Baden-Württemberg AG: One of Germany's largest utilities with a significant wind, solar, and grid infrastructure portfolio across Germany. Offers overlapping renewable development capabilities but at materially larger scale and as part of a fully integrated utility.

Direct peers

• juwi GmbH: German wind and solar project developer and EPC firm, longstanding core project-development partner of STAWAG Energie (e.g., Aachen Nord, Münsterwald). Same target market (municipal utilities, landowners) and same offering (plan-build-finance-operate renewable projects).
• UKA Umweltgerechte Kraftanlagen GmbH & Co. KG: German wind farm developer and operator with greenfield development, repowering, and technical operations capabilities. Comparable scale and mid-sized municipal/citizen-participation-oriented business model.
• Energiekontor AG: Frankfurt-area listed German wind/solar IPP with comparable operational profile (350+ MW owned/operated wind capacity) and full project development to operations value chain, making it a natural size and model comparable for STAWAG Energie.
• Enertrag AG: German hybrid wind/solar/biogas developer with full value-chain capabilities including project development, EPC, and 24/7 operations management. Comparable portfolio mix (wind, solar, CHP/biogas) and operations-management service model.
• ABO Wind AG: Mid-sized German wind and solar project developer with project development, financing, and operations capabilities. Targets municipalities and landowners across Germany and internationally — directly comparable customer base and offering to STAWAG Energie.

Emerging players

• Naturstrom AG: Independent German renewable energy IPP and electricity supplier focused on wind, solar, and biogas, with citizen-participation roots. Comparable generation mix and renewable-PPA/citizen-participation philosophy.
• Energiequelle GmbH: German wind/solar developer with strong presence in repowering and citizen-participation projects. Slightly smaller scale but operates a similar project-development-to-operations model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UC8Pltzjesd06s8OVzw9a4aA
• Facebookfacebook.com/STAWAG
• Instagraminstagram.com/stawag_aachen

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Stawag Energy