What Stadtwerke Bielefeld does

Stadtwerke Bielefeld GmbH is a 100% municipally-owned multi-utility group headquartered in Bielefeld, Germany, serving approximately 330,000 residents and the surrounding Ostwestfalen region. Founded in 1856 (with subsequent additions of water in 1890, electricity in 1900, and district heating in 1955), the company employs approximately 1,400 staff across a portfolio that includes electricity, natural gas, drinking water, district heating (Fernwärme), fiber-optic telecommunications, public transport, and public swimming/leisure facilities. Operations are structured through wholly-owned subsidiaries: moBiel GmbH (StadtBahn light rail and bus), BITel Gesellschaft für Telekommunikation mbH (FTTP fiber internet and telephony), Bielefelder Netz GmbH (electricity and gas distribution network), and Bielefelder Bäder und Freizeit GmbH (swimming pools and leisure). Revenue is generated through recurring consumption-based tariffs for residential (Privatkunden) and business (Geschäftskunden) customers — including fixed-price products (meinTreueStrom, meinTreueGas) and variable-price products (meinFlexStrom, meinBestStrom) — supplemented by transport ticket sales, fiber internet contracts, subscription leisure access (meinBäderAbo at €25/month), EV charging usage fees, and renewable generation land-lease arrangements.

The technical footprint combines legacy monopoly grid infrastructure (electricity, gas, and water distribution networks; the only district heating network in Bielefeld; FTTP fiber network across Ostwestfalen) with owned renewable generation assets totaling nearly 6 MW of photovoltaic capacity and approximately 102 million kWh/year of wind generation (Brönninghausen, Friedrichsdorf, Hasselbach, Windpark Ostwestfalen), plus a 25,000-ton-per-year wood-fired combined-heat-and-power plant and a Dornberg biogas facility. Customer-facing technology includes the 24/7 AI chatbot 'Kim,' an AI-powered voicebot, the meinEnergiePortal self-service portal, online ordering portals (bestellung.stadtwerke-bielefeld.de), and the Terminland appointment booking system. The company also holds Grundversorger (default supplier of last resort) status for electricity and gas in its concession area, providing a regulated baseline of customers.

The go-to-market model is hybrid: direct-to-consumer digital self-service plus in-person consultation at the Kundenzentrum Jahnplatz Nr. 5, combined with a dedicated enterprise sales channel (Geschäftskunden division) serving commercial, industrial, housing associations, property managers, municipalities, social institutions, and chain operators with customized energy solutions. Cross-promotion runs through the moBiel YOU app, BITel retail channels, and the Sparkasse Bielefeld 'Klimasparen' partnership. The company is governed by a Geschäftsführung led by Martin Uekmann and Rainer Müller, sits under City of Bielefeld ownership with no external institutional investment, and reports no funding rounds or M&A activity. Forward strategy centers on decarbonization: municipal heat planning (Kommunale Wärmeplanung), district heating and near-heating network expansion, hydrogen-ready gas infrastructure, ongoing solar and wind capacity additions, EV fleet electrification (100+ EVs with EU NextGenerationEU funding), and continued fiber-optic roll-out.

Name

Stadtwerke Bielefeld

Legal name

Stadtwerke Bielefeld GmbH

Website

https://stadtwerke-bielefeld.de

Company type

Private

Founded year

1856

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Stadtwerke Bielefeld is a 100% municipally-owned multi-utility group serving approximately 330,000 residents of Bielefeld, Germany, and the Ostwestfalen region with electricity, natural gas, drinking water, district heating, fiber-optic internet (BITel), public transport (moBiel), and leisure facilities (Bielefelder Bäder) across approximately 1,400 employees.

Ownership category

akta.pro rank

Headquarters

HQ city

Bielefeld

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Sales: Sale of electricity to residential (Privatkunden) and business (Geschäftskunden) customers under multiple tariff models including fixed-price (meinTreueStrom, meinBestStrom) and variable-price (meinFlexStrom) offerings, with 100% green electricity certified tariffs. Revenue is generated through recurring consumption-based billing on a monthly/annual basis.
2. Natural Gas Sales: Sale of natural gas to residential and business customers, including tariff products like meinTreueGas and unserBestGas. Includes L-Gas to H-Gas network conversion services. Revenue is consumption-based recurring billing.
3. District Heating (Fernwärme): Supply of district heating to residential and commercial buildings through an expanding network. Includes connection services, compact stations, billing, and heating planning. Price adjustment scheduled for April 2027.
4. Drinking Water Supply: Reliable drinking water supply to Bielefeld's approximately 330,000 residents. Includes water quality management, drinking water indicator (Trinkwasserampel), and infrastructure services.
5. Telecommunications (BITel): High-speed fiber internet, telephone, and data center services through subsidiary BITel GmbH, targeting residential and business customers in Bielefeld and the Ostwestfalen region. Gigabit fiber broadband services.
6. Public Mobility (moBiel): Public transportation revenue through StadtBahn (tram) and bus operations across Bielefeld, managed by subsidiary moBiel GmbH. Includes ticket sales, JobTicket, and advertising.
7. Baths & Leisure (Bielefelder Bäder): Revenue from swimming pools, saunas, and leisure facilities operated by Bielefelder Bäder und Freizeit GmbH, including entry fees, meinBäderAbo subscription (€25/month unlimited swimming), and events.
8. Electric Vehicle Charging Infrastructure: Public EV charging stations across Bielefeld, providing charging services for electric vehicles with ourKlimaprämie incentives for business customers.
9. Freiflächen-Projekte (Land Lease for Energy): Long-term land lease arrangements for photovoltaic and wind energy installations on third-party land (agricultural, former landfill, etc.), generating stable rental income from renewable energy infrastructure.

Pricing tiers

Go-to-market motion3 records

Distribution channels9 records

Marketing channels9 records

Core offering

Stadtwerke Bielefeld is a municipal multi-utility group supplying electricity, natural gas, district heating, and drinking water to residential and business customers in Bielefeld. Through wholly-owned subsidiaries it also provides public transportation (moBiel), fiber-optic telecommunications and broadband (BITel), swimming and leisure facilities (Bielefelder Bäder), and electricity and gas distribution network operations (Bielefelder Netz). The group operates renewable energy generation assets including wind farms, photovoltaic parks, a biogas plant, and a wood-fired CHP, and sells heat pumps, solar thermal, and EV charging solutions.

Product overview

Stadtwerke Bielefeld Gruppe is a municipal multi-utility conglomerate operating as a platform of distinct subsidiaries serving Bielefeld and the region. The core division Stadtwerke Bielefeld provides essential utilities (electricity, gas, water, district heating) to residential and business customers through products like meinBestStrom, meinFlexStrom, meinTreueStrom, meinTreueGas, and Fernwärme. The group also encompasses moBiel (public transportation via StadtBahn and bus), BITel (telecommunications including fiber internet), and Bielefelder Bäder (recreation facilities). The product portfolio includes renewable energy solutions (Photovoltaik, Windkraft, Biogas, Holzkraft, Wärmepumpen) and customer-facing digital services (meinEnergiePortal, Chatbot Kim, Stadtwerke Club). Customers access services through online portals, the 24/7 chatbot Kim, mobile apps (moBiel YOU), and physical locations like Kundenzentrum Jahnplatz Nr. 5.

Differentiator

Problem solved

Functional benefit

Products and services

• Electricity Supply (Strom) Sale and supply of electricity to residential and business customers in the Bielefeld concession area, with multiple tariff options including 100% certified green electricity (Ökostrom) and standard supply.
• Natural Gas Supply (Erdgas) Sale and supply of natural gas to residential (meinTreueGas) and business (unserBestGas) customers in Bielefeld, including tariff products and L-Gas to H-Gas network conversion support.
• District Heating (Fernwärme) District heating supply to connected residential and commercial buildings in Bielefeld, including connection, Kompaktstation, billing, meter reading, and municipal heat planning services.
• Drinking Water Supply (Trinkwasserversorgung) Reliable drinking water supply to Bielefeld's approximately 330,000 residents, with quality management and a real-time Trinkwasserampel availability indicator for drought and heat events.
• Photovoltaic Solar Energy (Photovoltaik) Solar energy generation and solutions including rooftop photovoltaic installations for business customers, freestanding solar parks, and the 'Sonne macht Schule' school solar program.
• Wind Power Generation (Windkraft) In-house wind power generation through four wind farms in the Bielefeld region and beyond, producing approximately 102 million kWh annually, sufficient for roughly 36,000 households.
• Biogas Production Biogas production facility in Dornberg generating climate-friendly electricity and heat from biomass using combined heat and power technology.
• Wood Power (Holzkraft) Wood-fired heating power plant processing 25,000 tons of wood annually to produce up to 5.5 MW of thermal energy and 1.35 MW of electricity.
• Heat Pumps and Solar Thermal (Wärmepumpen und Solarthermie) Heat pump and solar thermal solutions for environmentally friendly and efficient heating of residential and commercial buildings.
• Electric Mobility and EV Charging (Elektromobilität) Public EV charging stations across Bielefeld plus charging infrastructure and the unsereKlimaprämie incentive program for business customers investing in EV charging.
• Fiber Optic Telecommunications (BITel) High-speed Gigabit fiber internet, telephone, and data center services for residential and business customers in Bielefeld and the Ostwestfalen region, delivered via subsidiary BITel GmbH.
• Public Transportation (moBiel) Public transportation services including StadtBahn (light rail) and bus operations across Bielefeld, delivered by subsidiary moBiel GmbH, with tickets via the moBiel YOU app and the JobTicket program.
• Swimming and Leisure Facilities (Bielefelder Bäder) Swimming pools, saunas, and leisure facilities in Bielefeld, including Badewelt Ishara, operated by subsidiary Bielefelder Bäder und Freizeit GmbH, with the meinBäderAbo monthly unlimited subscription at €25.

Quantifiable outcome

• Wind farms generate ~102 million kWh/year, avoiding >75,000 tonnes CO₂ annually — sufficient for ~36,000 households
• +4 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Nine partnerships are on record, tiered core.

• Sparkasse BielefeldcoreGTM or Marketing Partner · 1 January 2023Jointly launched 'Klimasparen' (climate savings) initiative in 2023. Citizens invested approximately €10 million through Sparkasse Bielefeld, which was used by Stadtwerke Bielefeld to fund renewable energy projects including the Solarpark Schiefe Breede (approximately €3 million investment).
• Stadtwerke GüterslohcoreStrategic or Co-development PartnerJoint development and operation of the Hasselbach wind farm (three turbines, 3x3,450 kW) with Stadtwerke Gütersloh, Stadtwerke Verl, and Energieversorgung Werther, operational since 2017. Collaborative approach to renewable energy generation in the region.
• Stadtwerke VerlcoreStrategic or Co-development PartnerCo-investor in the Hasselbach wind park alongside Stadtwerke Gütersloh and Energieversorgung Werther. Represents the municipal utility alliance in Ostwestfalen for shared renewable energy infrastructure.
• Energieversorgung WerthercoreStrategic or Co-development PartnerPartner in the Hasselbach wind farm consortium, contributing to regional wind energy development in the Ostwestfalen area.
• moBiel GmbH (Subsidiary)coreOthersWholly-owned subsidiary operating StadtBahn (tram) and bus public transport services across Bielefeld. Approximately 50 city railway lines and bus routes serving the city and surrounding areas.
• BITel GmbH – Gesellschaft für Telekommunikation (Subsidiary)coreOthersWholly-owned subsidiary providing high-speed fiber internet (Gigabit), telephone, and data center services across Bielefeld and Ostwestfalen. Responsible for the municipal fiber rollout (Glasfaserausbau) in the region.
• Bielefelder Netz GmbH (Subsidiary)coreOthersSubsidiary managing the electricity and gas distribution network infrastructure in Bielefeld, ensuring reliable grid operations and network expansion.
• Bielefelder Bäder und Freizeit GmbH (Subsidiary)coreOthersSubsidiary operating Bielefeld's public swimming pools, saunas, and leisure facilities, including the Badewelt Ishara, multiple outdoor pools, and the meinBäderAbo subscription.
• Westenergie Netzservice GmbHTechnology or IntegrationProvider of the Störungsauskunft.de portal embedded on the Stadtwerke website, enabling customers to report infrastructure outages. Stadtwerke Bielefeld receives insight into outage data for operational planning and resolution.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Stadtwerke Köln: One of Germany's largest municipal multi-utilities, providing electricity, gas, district heating, water, public transport (KVB) and fiber/B2B telecom to Cologne and surrounding regions. Directly comparable in business model — city-owned multi-utility with mobility, telecom and energy subsidiaries — though materially larger in scale than Bielefeld.
• Stadtwerke München (SWM): Munich's municipal multi-utility, 100% city-owned, operating electricity, natural gas, district heating (one of Germany's largest Fernwärme networks), water, public transport (MVG), and telecommunications (M-net). Closest direct peer by structure (multi-utility + transport + telecom) and by municipal-ownership governance model, though significantly larger.
• Stadtwerke Hamburg: City-owned multi-utility serving Hamburg with electricity, gas, district heating, water, fiber (via subsidiary), and heating network operation. Same integrated municipal-utility model with regulated Grundversorger status and city ownership, making it a relevant structural comparable.
• Mainova AG: Frankfurt am Main's municipal energy utility, majority-owned by the city, supplying electricity, gas, district heating and water. Comparable municipal multi-utility with district heating operations and similar regulatory/Grundversorger dynamics, making it a direct structural and operational peer.
• Stadtwerke Leipzig: Municipal multi-utility for the city of Leipzig, providing electricity, gas, district heating, water and fiber/broadband services. Operates a comparable bundle of regulated and competitive municipal services, making it a directly comparable mid-to-large sized Stadtwerke in terms of portfolio breadth.
• Stadtwerke Düsseldorf: Düsseldorf's city-owned multi-utility supplying electricity, gas, district heating, water and energy services to residential and business customers. Operates a comparable regulated multi-utility bundle within a single German concession area, with similar municipal governance.

Broad incumbents

• E.ON SE: One of Europe's largest investor-owned utilities, operating distribution networks, retail energy supply, and customer solutions across Germany. Not a multi-utility with municipal services, but competes for the same energy retail customers and network-operator roles; represents the nationwide incumbent against which Stadtwerke Bielefeld defends its franchise.
• EnBW Energie Baden-Württemberg: Large German integrated utility with generation, distribution, retail energy supply and EV charging infrastructure. Competes nationally in electricity retail and increasingly in municipal decarbonization (district heating, heat pumps, charging), making it a broad incumbent competitor across multiple of Stadtwerke Bielefeld's lines of business.
• RWE AG: Major German utility with a leading renewable generation portfolio and a municipal-customer sales business. While not a multi-utility operator, it competes as a wholesale renewable energy supplier and increasingly as a partner for municipal heat transition, directly relevant to Stadtwerke Bielefeld's renewable and heat planning strategies.

Regional players

• Stadtwerke Gütersloh: Neighboring municipal utility in the Ostwestfalen region and existing JV partner with Stadtwerke Bielefeld in the Hasselbach wind farm. Provides electricity, gas, water and energy services to Gütersloh — direct regional comparable and collaboration partner, useful proxy for benchmarking against similar-sized Ostwestfalen Stadtwerke.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/stadtwerke-bielefeld
• Facebookfacebook.com/Stadtwerke.Bielefeld
• LinkedInlinkedin.com/company/stadtwerke-bielefeld-gmbh
• Instagraminstagram.com/stadtwerkebielefeld

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries4 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 Stadtwerke Bielefeld