SWB energy and water

What SWB energy and water does

SWB Energie und Wasser is the energy and water supply arm of Stadtwerke Bonn, a municipally-owned utility group serving Bonn, Rhein-Sieg-Kreis, and Landkreis Ahrweiler in North Rhine-Westphalia, Germany. Founded in 1879 and legally constituted as Energie- und Wasserversorgung Bonn/Rhein-Sieg GmbH, the company provides electricity, natural gas, district heating (Fernwärme), and water to approximately 800,000 people, alongside an expanding portfolio of e-mobility (250+ public charging stations, SWB-Wallbox), photovoltaic (BonnPlus PV), and heat pump (BonnPlus Wärme) solutions. Residential and business customer tiers are served through differentiated product brands including Beethoven-Strom, BonnNatur Strom (Grüner Strom Label Gold-certified), and BonnBusiness Profi, with combined offerings such as BonnDuo providing cross-product discounts.

The company's underlying technology stack centers on a modernized combined heat and power (CHP) plant — Heizkraftwerk Nord, operating at 90% efficiency since its 2013 conversion and being expanded for hydrogen use by 2024 — together with a growing district heating network featuring Hausanschlussstation house connections with 40-60 year operational lifespans. SWB sources approximately 80% of its energy portfolio from renewables, supplemented by the Trianel Windpark Borkum (40+ turbines) joint investment. The company is building Smart Grid and LoRaWAN IoT infrastructure as part of Bonn's Smart City initiatives, and operates smart meter-based consumption analytics through its EnergieCockpit platform for business customers.

SWB's business model is a multi-utility subscription and consumption-based revenue structure: base fees plus per-kWh pricing for electricity, gas, water, and district heating, with monthly billing, 12-month price guarantees on standard tariffs, and new-customer bonuses. Go-to-market combines a 24/7 online self-service portal, a physical Service Center on Theaterstraße in Bonn, a toll-free hotline (0800 10 11 700), WhatsApp Business, and dedicated account managers plus a Business Portal for commercial and housing-industry customers. Distribution is entirely regional, anchored by exclusive physical infrastructure (water grid, district heating network, charging stations) that creates structural barriers to entry and supports the company's climate-neutrality target by 2035.

Name

SWB energy and water

Legal name

Energie- und Wasserversorgung Bonn/Rhein-Sieg GmbH

Website

https://stadtwerke-bonn.de

Company type

Private

Founded year

1879

Operating status

Operating

Headcount range

11–50 employees

Short description

SWB Energie und Wasser is the municipally-owned energy and water utility of Bonn, Germany, supplying electricity, natural gas, district heating, and water to approximately 800,000 residents across Bonn, Rhein-Sieg-Kreis, and Landkreis Ahrweiler, with growing e-mobility, photovoltaic, and heat pump offerings.

Ownership category

akta.pro rank

Headquarters

HQ city

Bonn

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Supply: Residential and business electricity supply under various product brands including Beethoven-Strom, BonnNatur Strom, and BonnBasis. Revenue generated from base fees and consumption-based pricing per kWh. Includes 12-month price guarantees on selected products.
2. Natural Gas Supply: Natural gas delivery for heating and cooking to residential and business customers. Products include Beethoven-Gas, BonnNatur Gas, and BonnBasis. Revenue from base fees and consumption-based pricing.
3. District Heating (Fernwärme): Supply of district heating through a growing network currently serving approximately 2,800 households. Revenue generated through connection fees and consumption-based pricing. Offered with option to purchase or rent house connection stations (Contracting model).
4. Water Supply: Water supply to approximately 800,000 people in Bonn, Rhein-Sieg-Kreis, and Landkreis Ahrweiler. Revenue from consumption-based water pricing.
5. E-Mobility Services: Public charging infrastructure with over 250 E-charging stations, SWB-Wallbox for home charging, and SWB home charging solutions for apartment buildings. Revenue from charging fees.
6. Photovoltaik and Energy Services: Solar package (BonnPlus PV) for generating own electricity, heat pump solutions (BonnPlus Wärme), and heating contracting services. Revenue from installation, equipment sales, and ongoing service fees.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

SWB Energie und Wasser supplies electricity, natural gas, district heating (Fernwärme), and drinking water to residential and commercial customers in the Bonn region of Germany. The company also offers E-mobility charging solutions (250+ public charging stations, home wallboxes), photovoltaic installations (BonnPlus PV), heat pumps (BonnPlus Wärme), and digital customer portals for self-service and account management. Products are marketed under multiple brands (Beethoven-Strom, BonnNatur Strom, BonnDuo, BonnPlus) with a focus on renewable energy (~80% portfolio share) and climate neutrality by 2035.

Product overview

SWB Energie und Wasser (Stadtwerke Bonn) is a municipal energy and water utility offering a comprehensive portfolio of energy products, water supply, and digital services for residential and commercial customers in Bonn. The core product lines include electricity (with Beethoven-Strom as the standard tariff and BonnNatur Strom as the premium green power option), natural gas (Beethoven-Gas, BonnNatur Gas), and district heating (Fernwärme) delivered through an expanding network currently serving ~2,800 households. Supporting offerings include E-mobility solutions (SWB-Wallbox, public charging stations with 250+ points), photovoltaic systems (BonnPlus PV), heat pumps (BonnPlus Wärme), mobile heating units, and controllable load management for heat pumps and wallboxes under §14a EnWG. For business customers, the portfolio extends to the Business-Portal for contract management, EnergieCockpit for energy data analytics, LoRaWAN IoT connectivity, and fiber services. Water supply serves approximately 800,000 people across Bonn, Rhein-Sieg-Kreis, and Landkreis Ahrweiler. The products operate through an Online-Service Portal for residential customers, with special solutions for housing management (Wohnungswirtschaft) including tenant change notifications, fixed-date billing, and CO2 cost calculators.

Differentiator

Problem solved

Functional benefit

Brands

• SWB Bus und Bahn: Public transportation services including bus and tram
• SWB Verwertung
• SWB Klimawerke
• BonnNatur
• BonnDuo
• Beethoven-Strom
• Beethoven-Gas
• BonnPlus PV
• BonnPlus Wärme
• BonnNatur Strom
• BEETHOVEN STROM

Products and services

• Beethoven-Strom Standard residential electricity tariff supplied under the Beethoven-Strom brand with 100% certified green power, 12-month price guarantee, and personal customer service.
• BonnNatur Strom Premium green electricity product certified by Grüner Strom Label e.V. delivering 100% regeneratively produced CO2-free electricity and channeling 0.5 cent/kWh of customer payments to fund renewable energy expansion projects.
• Beethoven-Gas Residential natural gas tariff offering 12-month price guarantee, sustainable heating supply via natural gas with climate protection contribution, and customer-friendly 12-month contract terms.
• BonnNatur Gas Eco-certified natural gas product supporting sustainable energy supply with Grüner Strom Label-equivalent environmental standards.
• Fernwärme (District Heating) District heating supplied via a growing Fernwärme network offering GEG-compliant heating with a primary energy factor of 0.25, serving approximately 2,800 households in Bonn with network expansion plans to double capacity.
• Wasser (Drinking Water Supply) Drinking water supply sourced from Wahnbachtalsperrenverband serving 800,000 people in Bonn, Rhein-Sieg-Kreis, and Landkreis Ahrweiler, monitored with approximately 1,900 bacteriological examinations annually.
• BonnBusiness Profi Business electricity tariff for commercial customers in Bonn consuming up to 100,000 kWh/year with individual pricing and flexible terms.
• Beethoven-Gas Profi Business natural gas tariff with individual pricing and flexible contract terms for commercial and enterprise customers.
• Online-Service Portal (Residential) and Business-Portal Self-service customer portals for residential customers (css.stadtwerke-bonn.de) and commercial/housing-industry customers (Business-Portal) to manage contracts, invoices, meter readings, installments, and move-in/move-out notifications.
• EnergieCockpit Energy data management and analytics tool for commercial customers providing consumption analysis, benchmarking across properties, alarm functions, and responsive multi-device access.

Quantifiable outcome

• ~194,000 tonnes CO2 saved annually through Heizkraftwerk Nord modernization
• +3 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered core and supporting.

• TrianelcoreStrategic or Co-development PartnerCitywerke cooperation supporting renewable energy expansion through joint investments in wind and solar projects. Through this partnership, SWB participates in Trianel Windpark Borkum with 40+ wind turbines (200,000 households supplied), Windpark Borkum II doubling capacity, and PV ground-mounted installations. Joint efforts save over 2,000 tonnes CO2 annually.
• The Things Network (LoRaWAN Initiative)supportingTechnology or IntegrationSWB participates in the LoRaWAN 'The Things Network' initiative and is responsible for building the necessary infrastructure. This supports Bonn's Smart City development through IoT connectivity for energy management and environmental monitoring.
• Grüner Strom Label e.V.coreStrategic or Co-development PartnerCertification body for BonnNatur Strom and BonnNatur Gas products. The partnership ensures third-party verified environmental standards with 0.5 Cent/kWh of customer payments funding renewable energy expansion projects.
• KfW BanksupportingOthersKfW provides favorable loans (KfW-Förderung) for buildings connected to district heating, enabling customers to access low-interest financing for house connection stations and energy efficiency improvements.
• Schutzgemeinschaft Deutscher Wald (SDW)supportingStrategic or Co-development PartnerCollaborative tree-planting initiative since 2009, planting over 30,000 tree seedlings to combat forest dieback and promote biodiversity. Awarded UN Decade on Biodiversity recognition in 2020.
• Auto Thomas, Volksbank Köln Bonn, Haus Venusberg, VEBOWAG, Beethoven-HaussupportingGTM or Marketing PartnerBusiness customers participating in 'Meine Klimawerke' campaign, publicly endorsing SWB as their energy partner and committing to CO2 reduction goals. Represents range of industries: automotive, banking, education, housing, and culture.

Scale indicators12 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• RheinEnergie: Cologne-based municipal multi-utility offering electricity, gas, water, district heating, and EV charging to the Cologne region. Highly comparable to SWB in product scope, municipal ownership model, and customer segments served.
• Mainova: Frankfurt municipal utility supplying electricity, gas, water, district heating, and energy services to the Frankfurt/Rhine-Main region. Comparable multi-utility model, municipal ownership, and customer base of ~1 million residents.
• Stadtwerke Düsseldorf: Düsseldorf municipal multi-utility offering electricity, gas, water, district heating, and mobility services. Comparable regional Stadtwerke model with similar product breadth and target customers.
• Stadtwerke Leipzig: Leipzig municipal utility supplying electricity, gas, water, district heating, and broadband. Comparable German Stadtwerke model with similar regulatory framework and municipal ownership.
• N-ERGIE: Nuremberg/Franconia regional multi-utility supplying electricity, gas, water, and district heating. Comparable municipal utility model serving residential and business customers across multiple districts.
• EWE: Oldenburg-based multi-utility serving Lower Saxony, Bremen, Brandenburg, and parts of North Rhine-Westphalia. Comparable product mix including electricity, gas, water, district heating, and digital services, with some operations overlapping SWB's western service territory.
• DEW21: Dortmund municipal utility offering electricity, gas, water, district heating, and energy services. Comparable Stadtwerke model for mid-sized German city with similar product portfolio and customer segments.

Broad incumbents

• Stadtwerke München (SWM): Munich municipal utility, significantly larger than SWB, operating electricity, gas, water, district heating, and Munich's U-Bahn transit. Same municipal ownership model and product scope, but at materially larger scale and broader geographic footprint.
• EnBW: Major Baden-Württemberg-based integrated utility with generation, transmission, distribution, retail, and EV charging across Germany. Overlapping product categories (electricity, gas, EV charging, heat) but operates at national/international scale rather than municipal.

Others

• Trianel: Cooperative of ~60 German municipal utilities including SWB, jointly investing in renewable generation (Windpark Borkum, Borkum II). Not a competitor but a partner network that supports SWB's renewable energy access and procurement scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Customer concentration

• Xx.com/stadtwerkebonn
• Facebookfacebook.com/BlaueCouch
• LinkedInlinkedin.com/company/energie--und-wasserversorgung-bonn-rhein-sieg-gmbh-swb-energie-und-wasser-

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 SWB energy and water