What Stadtwerke Mühlacker Gmbh does

Stadtwerke Mühlacker GmbH is a municipally owned multi-utility company headquartered in Mühlacker, Baden-Württemberg, Germany, providing integrated energy, water, telecommunications, mobility, and leisure services to the Mühlacker service area and surrounding Enzkreis municipalities. Its core operations span electricity and gas distribution network operation (as the regulated local DSO), drinking water supply, natural gas and biomethane sales under the waldäckerGAS brand, green electricity under enzSTROM, fiber optic broadband (MühlackerNet), public bus transit (Stadtbus lines 700, 702, 901), e-mobility charging, bio-CNG refueling stations, and indoor/outdoor swimming pools. The company operates a wholly owned subsidiary, Biomethananlage Mühlacker GmbH & Co. KG, and has extended operations into neighboring municipalities via an asset acquisition in Pforzheim (biogas plant, effective Jan 2026) and a Betriebsführungsvertrag for water supply in Eberdingen (signed March 2026).

The technology stack combines conventional municipal utility infrastructure with selected digital layers: the Kundenportal (OAuth2-based), an online tariff calculator and ordering portal, the EMMA chatbot (built on Microsoft Azure Language Understanding Services in collaboration with hsag), the enZJOY mobile app (integrating Google Maps APIs and Firebase analytics), and the laderechnung Single Sign-On hub (Auth0/Okta). The company holds DVGW TSM certification for gas and water networks and VDE TSM certification for electricity networks, both issued in 2024. Renewable energy investments include a biomethane upgrading facility with an Avus 1000 Plus BHKW from 2G Energy AG, and the in-development Windpark Großglattbach project with KommunalPartner, JUWI, and Bürger-Energie Region Mühlacker eG, planned to deliver up to four turbines from 2027.

The business model is subscription/recurring across all revenue streams: consumption-based electricity and gas tariffs, regulated grid fees, water supply charges, fiber internet subscriptions, transit and admission fees for leisure facilities, and contracted energy services. Customer acquisition combines physical (customer center, door-to-door field sales with branded identification) and digital (tariff calculators, self-service portal, AI chatbot) channels. Customer segments are residential households (primary), commercial and business customers (separate Geschäftskunden track), and municipal/public sector partners. The company is led by Managing Director Roland Jans under the oversight of Supervisory Board Chair and Oberbürgermeister Stephan Retter, with 100% ownership held by the city of Mühlacker.

Name

Stadtwerke Mühlacker Gmbh

Legal name

Stadtwerke Mühlacker GmbH

Website

https://stadtwerke-muehlacker.de

Company type

Private

Operating status

Operating

Short description

Stadtwerke Mühlacker GmbH is a municipally owned multi-utility company in Baden-Württemberg, Germany, providing electricity, gas, water, fiber broadband, public transit, biomethane, e-mobility, and leisure services to households, businesses, and neighboring municipalities in the Mühlacker and Enzkreis region.

Ownership category

akta.pro rank

Headquarters

HQ city

Mühlacker

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Supply: Sale of electricity (standard tariff, eco-tariff 'enzSTROM', dynamic tariff, heat electricity 'Wärmestrom') to residential and commercial customers in the Mühlacker supply area. Revenue from consumption-based electricity tariffs.
2. Gas Supply: Sale of natural gas under 'waldäckerGAS' brand, biomethane, and heat contracting services. Revenue from consumption-based gas tariffs and contracting fees.
3. Drinking Water Supply: Drinking water supply and distribution to households in Mühlacker, including billing and tariff management. Also provides operational management for neighboring municipality Eberdingen.
4. Public Transport: Operation of Stadtbus Mühlacker local bus service (lines 700, 702, 901) and bio-natural gas refueling stations for vehicle fleet mobility services.
5. Fiber Broadband (MühlackerNet): Fiber optic internet service (MühlackerNet) under subsidized broadband expansion program (geförderter Breitbandausbau). Revenue from internet subscription packages.
6. Leisure Facilities: Operation of Hallenbad Mühlacker (indoor swimming pool) and Freibad Mühlacker (outdoor swimming pool). Revenue from admission fees and season tickets.
7. Grid Operation and Metering Services: Operator of local electricity and gas distribution networks. Revenue from regulated grid fees and metering point operation (Messstellenbetrieb) under the Metering Point Operation Act.
8. Biogas/Biomethane Plant Operations: Operation of biomethane facility in Mühlacker and takeover of biogas plant in Pforzheim (effective 1 January 2026). Revenue from biomethane sales and potential renewable energy certificates.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels8 records

Core offering

Stadtwerke Mühlacker is a municipal utility company that supplies electricity (including the green tariff enzSTROM and dynamic tariff), natural gas and biomethane (waldäckerGAS), drinking water, fiber broadband internet (MühlackerNet), and operates local public bus transport (Stadtbus), bio-CNG refueling stations, indoor (Hallenbad) and outdoor (Freibad) swimming pools, plus the local electricity and gas distribution grids for the Mühlacker service area and surrounding Enzkreis municipalities.

Product overview

Stadtwerke Mühlacker GmbH is a multi-utility municipal company offering an integrated portfolio of energy products (electricity, gas, renewable/biomethane), drinking water supply, mobility services (e-mobility, city bus, CNG stations), fiber optic internet, and recreational facilities (indoor and outdoor swimming pools). The core offering centers on regulated energy supply (enzSTROM green electricity, waldäckerGAS natural gas) and distribution networks (electricity, gas, water, fiber), complemented by value-added services including energy consulting, contracting, heating cost billing, and municipal heating solutions. Digital services include the customer portal (Kundenportal), enZJOY mobile app, EMMA AI chatbot for 24/7 support, the laderechnung Single Sign-On hub, and meter reading portal. Recent expansions include the Windpark Großglattbach wind energy project, takeover of the Pforzheim biogas plant (effective 2026), and fiber optic broadband rollout (Glasfaserausbau) across the service territory.

Differentiator

Problem solved

Functional benefit

Brands

• enzSTROM: Eco-friendly electricity product
• waldäckerGAS
• SWM-Energiedach
• Mühlackernet
• enzJOY-App
• SWM Vorteilswelt

Products and services

• enzSTROM (Green Electricity)
• waldäckerGAS (Natural Gas)
• Drinking Water Supply (Trinkwasser)
• MühlackerNet Fiber Broadband
• Stadtbus Mühlacker (Public Bus Service)
• E-Mobility (Charging Infrastructure)
• Bio-CNG Refueling Stations
• Biomethane Production Facility
• Windpark Großglattbach
• Heat Contracting (Wärmecontracting)
• Hallenbad (Indoor Swimming Pool)
• Freibad (Outdoor Swimming Pool)
• Grid Operation and Metering Services
• Grid and Building Connection Services
• Energy Consulting (Energieberatung)

Quantifiable outcome

• Fiber broadband expansion (Glasfaserausbau) underway across Mühlacker districts
• +3 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration12 records

AI capability2 records

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Gemeinde EberdingencoreOthers · 1 March 2026Neighboring municipality of Mühlacker for which Stadtwerke Mühlacker assumed operational management (Betriebsführung) of the drinking water supply under a management contract signed in March 2026.
• KommunalPartner (Stadtwerke-Verbund)coreStrategic or Co-development Partner · 1 January 2026KommunalPartner is a municipal utility network (Stadtwerke-Verbund) that Stadtwerke Mühlacker collaborates with on the Windpark Großglattbach project. The partnership involves joint project development, citizen participation frameworks, and information events. Project partners include Stadtwerke Tübingen and the project is managed by Michael Krieger (Stadtwerke Tübingen) as project lead for KommunalPartner.
• Bürger-Energie Region Mühlacker eG ( Bürger-Energie Mühlacker )coreStrategic or Co-development Partner · 1 January 2026Citizen energy cooperative active in the Mühlacker region, partnered with Stadtwerke Mühlacker and KommunalPartner on the Windpark Großglattbach project. Manages citizen participation and investment opportunities in renewable energy projects. Certified by GUTcert.
• JUWI / JUWI AGcoreStrategic or Co-development Partner · 1 January 2026Renewable energy project developer collaborating on Windpark Großglattbach. JUWI handles project planning and execution as part of the KommunalPartner-led consortium with Stadtwerke Mühlacker.
• NEXOGAS Holding GmbHminorOthers · 1 January 2026Former owner of the biogas plant in Pforzheim that Stadtwerke Mühlacker acquired effective 1 January 2026. The plant was previously owned by Unomondo from Mühlacker before NEXOGAS.
• Ratisbona Compliance GmbHminorImplementation/ SI/ Consulting PartnerLegal compliance firm operating the whistleblower system (Hinweisgebersystem) for Stadtwerke Mühlacker as required under German whistleblower protection law (Hinweisgeberschutzgesetz). Provides legally compliant reporting infrastructure with attorney-led initial assessment.
• CRIF GmbHminorOthersCredit reference agency used for creditworthiness checks on customers as required under §§ 505a and 506 BGB (German civil code) for energy supply contracts.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Regional players

• Pfalzwerke: Regional energy utility in Rhineland-Palatinate supplying electricity and gas to municipal utilities and end customers. Operates a comparable regulated utility model with renewable energy portfolio; different geography but similar mid-sized German utility profile.
• Lechwerke: Regional energy utility in Bavaria operating electricity distribution, renewable generation, and grid services with municipal utility partnerships. Comparable scale and renewable energy focus but serves a different geography within Germany.

Direct peers

• Mainova AG: Frankfurt-based municipal multi-utility supplying electricity, gas, water, and district heating under a similar regulated multi-utility model. Larger in scale but directly comparable in operating structure, customer-facing digital services, and renewable energy integration.
• Stadtwerke Tübingen: Closest direct peer — a Baden-Württemberg municipal utility of comparable size operating electricity, gas, water, fiber, public transport, and swimming pools. Stadtwerke Tübingen is explicitly named as the KommunalPartner project lead for the Windpark Großglattbach initiative, confirming near-identical operating model and geographic context.
• Stadtwerke Pforzheim: Neighboring municipal multi-utility in the immediate Enzkreis service region, offering electricity, gas, water, public transport, and fiber. Directly comparable in scale and product mix; the two companies are natural regional counterparts competing for the same household and commercial customer base.
• Stadtwerke Ludwigsburg: Municipal utility in Baden-Württemberg of similar size operating a comparable multi-utility portfolio (electricity, gas, water, fiber, public transport, leisure). Same regulatory framework under EnWG and DVGW standards, with similar renewable energy and fiber expansion strategies.
• Stadtwerke Bonn (SWB): German municipal multi-utility operating electricity, gas, water, public transport, and fiber broadband with strong renewable energy positioning. Comparable multi-vertical municipal utility model with similar digital customer service investments.

Others

• Deutsche Telekom: National fiber broadband and telecommunications incumbent. While not a direct utility competitor, Deutsche Telekom is the dominant infrastructure provider in the same geographic markets where MühlackerNet is rolling out fiber, and sets the pricing benchmark for broadband services.

Broad incumbents

• EnBW Energie Baden-Württemberg: Dominant energy incumbent in Baden-Württemberg with generation, transmission, distribution, and retail operations across electricity, gas, and water. Competes with Stadtwerke Mühlacker in adjacent municipalities (Maulbronn, Vaihingen) where it has stronger brand and pricing power.
• Stadtwerke Karlsruhe: Larger municipal multi-utility operating electricity, gas, water, district heating, and tram/bus networks in the Karlsruhe technology region. Same regulatory environment and multi-utility structure but materially larger asset base and customer footprint.

Market position

Strengths5 records

Competitive moat4 records

Customer concentration

• Facebookfacebook.com/stadtwerkemuehlacker
• Instagraminstagram.com/stadtwerkemuehlacker

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

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 Stadtwerke Mühlacker Gmbh