What Mainzer Netze GmbH does

Mainzer Netze GmbH is a regulated multi-utility network operator based in Mainz, Germany, and a wholly-owned subsidiary of the municipal utility Mainzer Stadtwerke AG. The company plans, builds, operates, and maintains the electricity, natural gas, and drinking water distribution networks serving Mainz and the surrounding Rheinhessen and Groß-Gerau regions, supplying approximately 265,000-270,000 citizens through three waterworks (Eich, Hof Schönau, Petersaue) and an integrated grid. Operations are monitored 24/7 from a dedicated network control center that handles roughly 10,000 incident reports per year, and the company invests approximately 40 million EUR annually in grid expansion and maintenance.

The company monetizes its infrastructure through regulated network usage fees (Netzentgelte) supervised by the Federal Network Agency, one-time grid connection charges for new electricity, gas, and water connections, recurring metering operations (including smart meter gateways), and a portfolio of ancillary services such as street lighting, communication and security technology, industrial port operations at Industriehafen Mainz, port railway (Hafenbahn), and third-party facility management. Customers are served through a digital-first platform with online applications for grid connections, heat pump registrations, PV system feed-in, and meter reading submissions, supplemented by a customer service center and 24/7 fault reporting.

The business is protected by an exclusive territorial concession and operates under stringent technical and environmental certifications (EMAS, DIN EN ISO 14001, DIN EN ISO 9001, DVGW TSM, and an ISMS certification per § 11 Abs. 1a EnWG). The company employs approximately 500 staff and is led by Geschäftsführer Dr. Jens Priebe and Technical Managing Director Michael Worch. No external funding, private equity, or venture capital is indicated; the company is fully owned by the City of Mainz through the Mainzer Stadtwerke group.

Name

Mainzer Netze GmbH

Legal name

Mainzer Netze GmbH

Website

https://mainzer-netze.de

Company type

Private

Operating status

Operating

Headcount range

251–500 employees

Short description

Mainzer Netze GmbH is a regulated municipal network operator in Mainz, Germany, that plans, builds, operates, and maintains the electricity, natural gas, and drinking water distribution networks serving approximately 270,000 citizens, with a 24/7 control center, three waterworks, and ancillary services including street lighting and port operations.

Ownership category

akta.pro rank

Headquarters

HQ city

Mainz

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Network Usage Fees (Netzentgelte): Regulated network usage fees charged to energy suppliers for access to electricity and gas distribution networks. These tariffs are subject to regulatory oversight by the Federal Network Agency (Bundesnetzagentur).
2. Grid Connection Services: Fees for connecting properties to the electricity, gas, and drinking water networks including new connections and modifications.
3. Metering Operations (Messstellenbetrieb): Operation and maintenance of electricity, gas, and water meters including smart meter infrastructure.
4. Infrastructure Services: Additional services including street lighting, communication technology, port railway (Hafenbahn), and industrial port operations.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Mainzer Netze GmbH plans, builds, operates, and maintains the electricity, natural gas, and drinking water distribution networks for Mainz and the surrounding region. The company provides regulated network access to energy suppliers, grid connection services to property owners, metering operations including smart meter infrastructure, and a 24/7 Network Control Center for grid operations. Complementary services include communication and security technology systems, street lighting, industrial port operations, and a port railway (Hafenbahn).

Product overview

Mainzer Netze GmbH is a network operator (Netzbetreiber) providing integrated utility infrastructure management for Mainz and the surrounding region. The company's core offering consists of three utility networks: electricity (Strom), natural gas (Erdgas), and drinking water (Trinkwasser) supply networks, which it plans, builds, operates, and maintains 24/7 through a network control center. The portfolio is structured around these three core networks, complemented by a range of specialized services including communication and security technology systems, street lighting (including LED modernization), industrial port and harbor railway operations, facility management, and a customer portal for consumption data access. Supporting digital services include smart metering, online meter reading submission, outage mapping with digital reporting, network connection applications, PV/heat pump registration, and a district heating master planning initiative. The company operates three waterworks (Eich, Hof Schönau, Petersaue) serving approximately 265,000-270,000 citizens and invests approximately 40 million euros annually in network expansion and maintenance, employing around 500 staff.

Differentiator

Problem solved

Functional benefit

Products and services

• Electricity Network (Stromnetz) Planning, construction, operation, and maintenance of electricity supply networks including substations, power lines, and grid connections for residential, commercial, and industrial customers in Mainz and surrounding region.
• Natural Gas Network (Erdgasnetz) Operation and maintenance of natural gas distribution networks including industrial applications, supply connections, and biogas/hydrogen feed-in capabilities.
• Drinking Water Supply (Trinkwasserversorgung) Supply of high-quality drinking water to approximately 265,000–270,000 people through three waterworks (Eich, Hof Schönau, Petersaue) and associated distribution networks.
• Smart Meter / Intelligent Metering System (Intelligentes Messsystem) Smart metering equipment and systems for electricity, gas, and water meters enabling remote reading and digital meter data management for residential and commercial customers.
• Network Connection Service (Netz- und Hausanschluss) Digital application process for connecting properties to electricity, gas, or drinking water networks. Seven-step process from application to commissioning for residential and commercial customers.
• Electromobility Services (Elektromobilität) Advisory, planning, and installation support for wallbox connections and EV charging infrastructure for residential and commercial customers.
• PV/Grid Feed-in Services (Netzeinspeisung) Services for feed-in of solar power, balcony PV systems, and power storage installations including registration, commissioning, and grid connection support for distributed energy operators.
• Heat Pump Registration (Wärmepumpe melden) Digital registration and notification service for heat pump installations including connection to electricity grid for residential and commercial customers.
• Communication Technology (Kommunikationstechnik) Products and services including radio technology, network technology, telephone systems, and ICT infrastructure for businesses and public entities.
• Security Technology (Sicherheitstechnik) Fire alarm systems, intrusion detection, access control, voice alarm systems, and video systems for businesses and public institutions.
• Street Lighting (Straßenbeleuchtung) Planning, calculation, installation, and maintenance of street lighting systems including LED retrofits and modernization projects for municipalities.
• Hafenbahn Mainz (Port Railway) Port railway operations and industrial port services at Industriehafen Mainz for industrial and commercial customers.
• Industry Port Mainz (Industriehafen Mainz) Industrial port operations and logistics services at Mainz industrial harbor for industrial and commercial customers.
• Operation Management (Betriebsführung) Operational management services for third-party infrastructure and facilities.
• Standpipe Rental (Standrohr) Rental of standpipes for temporary water supply at construction sites and events for commercial and construction customers.
• Umspannwerk Mainspitze (Transformer Substation) New transformer substation under development to strengthen regional power grid infrastructure and supply security.

Quantifiable outcome

• ~40 million EUR annual investment in infrastructure expansion and maintenance
• +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

Integration5 records

Feature4 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• COUNT+CARE GmbH & Co. KGcoreTechnology or Integration · 1 January 2024Operationally independent IT service provider within the Mainzer Stadtwerke group handling meter data management, web hosting for www.mainzer-netze.de, and meter reading services. Processes customer meter data as data processor under Art. 28 DS-GVO.
• Überlandwerk Groß-Gerau GmbH (ÜWG)coreTechnology or IntegrationTechnical service provider for Mainzer Netze, operating electricity networks in the Groß-Gerau area. Also shares warehouse facilities and procurement processes.
• Rheinhessen-Energie GmbH (RHE)minorStrategic or Co-development PartnerNetwork owner and concession holder for electricity networks in Rheinhessen region, part of the equal treatment program group.
• ÜWG Stromnetze GmbH & Co. KGminorStrategic or Co-development PartnerNetwork owner and concession holder for electricity networks in Groß-Gerau area, part of the equal treatment program group.
• ePilot GmbHcoreTechnology or IntegrationDigital form solution provider for online applications including grid connections, heat pump registrations, PV system registrations, and contract cancellations.
• DocuSign Germany GmbHcoreTechnology or IntegrationDigital signature service enabling legally binding online contract execution. Customer signature obtained via email link to DocuSign platform.
• CAMAO AGminorImplementation/ SI/ Consulting PartnerWebsite design and programming agency for www.mainzer-netze.de located in Darmstadt.
• NABU (Naturschutzbund Deutschland)minorStrategic or Co-development PartnerEnvironmental organization collaborating on white stork protection programs. Partners on alternative nesting solutions and annual stork chick ringing during warmer months.
• Landesvogelwart Rheinland-Pfalz/HessenminorStrategic or Co-development PartnerState bird protection authority participating in round table discussions on balancing power line maintenance with white stork breeding protection.
• Meravo-Luftreederei Fluggesellschaft mbHminorImplementation/ SI/ Consulting PartnerHelicopter service provider for annual power line inspection flights. Experienced pilot teams conduct multi-hour inspections checking mast conditions, cables, insulators, and safety distances.

Scale indicators7 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Westnetz GmbH: Largest German DSO operating electricity, gas, and water networks across North Rhine-Westphalia as a subsidiary of E.ON. Directly comparable in business model and operating scope, though materially larger in scale.
• RheinEnergie AG: Cologne municipal utility operating electricity, gas, water, and district heating networks serving the Cologne region. Highly comparable multi-utility network operator with similar German municipal utility profile.
• EWE Netz GmbH: DSO in Northwest Germany (Lower Saxony, Brandenburg, parts of North Rhine-Westphalia) operating electricity, gas, and telecom networks. Comparable regulated utility network operator with similar municipal ownership characteristics.
• Avacon Netz GmbH: Regional DSO in Northern Germany operating electricity and gas networks as an E.ON subsidiary. Comparable regulated multi-network operator with municipal concession structure.
• Stromnetz Hamburg GmbH: Hamburg DSO operating the city's electricity distribution network as a subsidiary of Hamburg city utility. Closely comparable municipal-owned DSO serving a major German city.
• N-ERGIE Netz GmbH: Regional DSO in Franconia/Nuremberg operating electricity, gas, and water distribution networks. Highly comparable in scale, scope, and municipal-utility ownership structure.
• Netze BW GmbH: Major German DSO operating electricity and gas distribution networks in Baden-Württemberg as a subsidiary of EnBW. Closely comparable regulated multi-utility network operator with similar municipal concession structure.
• Mainova AG: Frankfurt municipal multi-utility providing electricity, gas, water, and district heating to Frankfurt and surrounding region. Closely comparable in scope, scale, and municipal ownership.
• SWM Infrastruktur GmbH & Co. KG: Munich municipal utility operating electricity, gas, water, and district heating networks as a subsidiary of Stadtwerke München. Comparable municipal multi-utility DSO, though materially larger scale.
• Berliner Wasserbetriebe (BWB): Berlin water utility operator serving ~3.7M residents with drinking water and wastewater networks. Comparable in water network operations and municipal ownership, though materially larger and water-only.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/stadtwerkemainz
• Facebookfacebook.com/mainzerstadtwerke
• LinkedInlinkedin.com/company/mainzer-netze-gmbh
• Instagraminstagram.com/mainzer_stadtwerke
• TikToktiktok.com/@mainzer.stadtwerke

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Mainzer Netze GmbH