Name

Stadtwerke Flensburg

Legal name

Stadtwerke Flensburg GmbH

Website

https://stadtwerke-flensburg.de

Company type

Private

Founded year

1854

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Product category

Municipal Energy Utility

NAICS

Electric Power Generation, Transmission and Distribution (2211), Electric Power Transmission, Control, and Distribution (22112), Steam and Air-Conditioning Supply (221330), Steam and Air-Conditioning Supply (22133), Water Supply and Irrigation Systems (221310)

SIC

Electric, Gas & Sanitary Services (4900), Cogeneration Services & Small Power Producers (4991), Water Supply (4941)

akta.pro primary industry

Energy, Utilities & Sustainability Management (BPABAAAF)

akta.pro secondary industry

Chillers, Boilers & Central Plant Operations (BPABACAG)

Keywords

• Municipal energy supply
• Electricity retail
• Natural gas distribution
• District heating services
• Fiber optic internet

Headquarters

HQ city

Flensburg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Elektrizitätsversorgung: Stromlieferung an Endkunden bundesweit (Privat, Gewerbe, Individualkunden) sowie regional im Versorgungsgebiet Flensburg/Glücksburg/Harrislee. Umsatz 2021: 552,964 TEUR (brutto inkl. Stromsteuer).
2. Gasverteilung: Erdgaslieferung bundesweit. Umsatz 2021: 102,348 TEUR (brutto inkl. Erdgassteuer).
3. Fernwärmeversorgung: Wärmelieferung über Fernwärmenetz im regionalen Versorgungsgebiet. Umsatz 2021: 83,740 TEUR.
4. Wasserversorgung: Trinkwasserlieferung im regionalen Versorgungsgebiet. Umsatz 2021: 9,349 TEUR.
5. Telekommunikation (Glasfaser): Glasfaser-Internet, Telefonie und IPTV (waipu.tv) für Privatkunden und Gewerbe in Flensburg, Nordfriesland und Angeln. Umsatz 2021: 4,749 TEUR.
6. E-Mobilität (Ladestationen & THG-Quote): Ladestationen für Elektrofahrzeuge im Flensburger Stadtgebiet sowie THG-Quoten-Prämie (270 EUR/Jahr für E-Auto-Besitzer).
7. Deponie Böxlund: Entsorgung von Bau- und Abbruchabfällen (Deponieklasse 2) für Bauunternehmen und Tiefbaufirmen.
8. Netzbetrieb und Messstellenbetrieb: Regulierter Netzbetrieb (Strom, Gas) und Messstellenbetrieb (intelligente Messsysteme) im eigenen Netzgebiet Flensburg/Glücksburg/Harrislee.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels6 records

Core offering

Stadtwerke Flensburg is a municipal utility supplying electricity, natural gas, district heating, drinking water, FTTH fiber-optic internet, e-mobility (charging and THG quota), and integrated home energy systems (PV, heat pump, wallbox) to private households, business customers, and large industrial customers in the Flensburg/Glücksburg/Harrislee network area and nationwide for electricity and gas. It also operates regulated electricity and gas network businesses and a thermal heat storage infrastructure, and bundles services through a 24/7 digital customer portal.

Product overview

Stadtwerke Flensburg is a municipal utility company providing a diversified portfolio of energy and telecommunications products. The offering consists of two main categories: nationwide electricity and natural gas products, and regional products including fiber internet (Glasfaser), district heating (Fernwärme), drinking water (Trinkwasser), and e-mobility services. Electricity products range from standard fixed-rate tariffs (Flensburg eXtra) to dynamic pricing based on stock market rates (Flensburg eXtra smart öko), with eco-certified variants (Öko) and heat pump electricity options. Natural gas is offered through the Flensburg eXzellent tariff. The fiber internet portfolio, branded Förde-Flat, offers speeds from 50 Mbit/s to 1000 Mbit/s across three regions (Flensburg, Nordfriesland, Angeln), with optional add-ons including Förde-Flat-TV, waipu.tv IPTV, Förde-Flat-Cloud storage, and phone services. E-mobility products include charging cards and THG quota trading. Regional heating and water services are available in designated areas around Flensburg.

Differentiator

Problem solved

Functional benefit

Brands

• Flensburg eXtra: Standard electricity tariff brand for private households
• Flensburg eXtra öko
• Flensburg eXtra Regio
• Flensburg eXzellent
• Flensburg eXtra Wärme
• Flensburg eXtra Ökowärme
• Flensburg eXtra smart öko
• Flensburg Profi
• Flensburg Profi Öko
• Flensburg Profi Regio
• Flensburg Profi eXzellent
• Flensburg Profi smart öko
• Förde-Flat
• Förde-Flat-TV
• Förde-Flat-Cloud
• waipu.tv
• Flensburg Ladekarte
• THG-Prämie
• greenco2ncept

Products and services

• Flensburg eXtra (Haushaltsstrom) Standard household electricity tariff for private customers across Germany with fixed pricing and a 12-month contract term.
• Flensburg eXtra öko Eco-certified electricity tariff using 100% renewable energy sources, certified by TÜV Nord, for household customers.
• Flensburg eXtra smart öko Dynamic electricity tariff with hourly/quarter-hourly variable prices based on EPEX Spot market rates. Requires intelligent metering system. Features 100% renewable energy with real-time cost and consumption visualization in customer portal.
• Flensburg eXtra Wärme (Wärmepumpenstrom) Heat pump electricity tariff with a separate, controllable meter. Includes 12-month price guarantee and 14-day cancellation notice, designed for heat pump owners.
• Flensburg eXtra Ökowärme Heat pump electricity tariff using 100% renewable energy sources. TÜV-certified eco electricity with annual certification process under TÜV NORD Standard A75-S026-1.
• Flensburg eXzellent (Erdgas) Natural gas tariff for households nationwide, representing the company's most economical gas offering with transparent pricing.
• Förde-Flat 50 (FTTH Internet) Entry-level fiber internet tariff offering 50 Mbit/s download and 25 Mbit/s upload speeds with included FRITZ!Box router, in the Nordfriesland build-out area.
• Förde-Flat 300 (FTTH Internet) Fiber internet with 300 Mbit/s download and 100 Mbit/s upload speeds. Includes FRITZ!Box 7630 router, phone flatrate for German and Danish landlines, and 12-month minimum contract term, in Flensburg.
• Förde-Flat 1000 (FTTH Internet) Ultra-fast fiber internet with up to 1000 Mbit/s download and 500 Mbit/s upload speeds for the Angeln region.
• waipu.tv (IPTV) IPTV streaming service offered as an add-on to Förder-Flat fiber internet tariffs, providing digital television with up to 270+ channels, over 250 in HD, and access to 30,000+ films, series, and shows, monthly subscription from EUR 7.40.
• Förde-Flat-Cloud Cloud storage service built on Nextcloud platform, providing 50 GB free storage for Förder-Flat fiber customers. Features multi-device access, redundant backups, and data hosted under German privacy laws in Northern Germany.
• Fernwärme (District Heating) Regional district heating service for Flensburg, Glücksburg, Harrislee, Wees, and Tarp areas, utilizing waste heat from power generation and a 29,000 m³ thermal heat storage.
• Trinkwasser (Drinking Water Supply) Drinking water supply service for the Flensburg region, delivered through the municipal water network.
• Flensburg Ladekarte (EV Charging Card) Electric vehicle charging card offering access to charging points throughout the Flensburg city area with favorable rates; also interoperable with the Chargemap network.
• THG-Quote (Greenhouse Gas Quota Premium) CO2 savings quota trading service for electric vehicle owners. Offers EUR 270 THG premium for fully electric vehicles in 2026 for CO2 savings achieved.
• PV, Wärmepumpe & Wallbox (Home Energy Systems) Complete home energy system packages including photovoltaic panels, battery storage, wallbox, and heat pump solutions from a single source, available regionally.
• Ersatz- und Grundversorgung (Default/Basic Supply) Replacement and basic supply tariffs for customers in the Flensburg network area without an active energy contract, under regulated Grundversorgung.

Quantifiable outcome

• Klimaneutralität angestrebt bis 2035 (10 Jahre vor gesetzlichem Kohleausstieg 2038)
• +3 more outcomes

Named customers3 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

Integration3 records

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Rating Peak GmbHcoreChannel Partner/ Reseller/ Distributor · 1 January 2024Glasfaser-Berater von Rating Peak GmbH im Einsatz vor Ort in den Glasfaserausbaugebieten; Berater können sich mit Stadtwerke-Ausweis ausweisen; beraten bei Hausbegehungen und Hauseinführungen.
• AVM (FRITZ!Box)coreTechnology or Integration · 1 January 2024Stadtwerke Flensburg stattet Förde-Flat-Kunden mit FRITZ!Box 7530 oder vergleichbarem Router aus (kostenfrei während Vertragslaufzeit); WLAN-Mesh, Sicherheitskonzept, IP-basierte Telefonanlage, energiesparend.
• waipu.tvcoreChannel Partner/ Reseller/ Distributor · 1 January 2024IPTV-Partnerschaft: waipu.tv als digitaler TV-Dienst über das Glasfasernetz der Stadtwerke Flensburg; bis 270+ Sender, über 250 in HD, bis 30.000+ Filme/Serien; ab 7,40 €/Monat; erste Monat kostenfrei.
• Trianel Windkraftwerk Borkum GmbH & Co. KGminorStrategic or Co-development Partner · 1 January 2021Beteiligung der Stadtwerke Flensburg an der Trianel Windkraftwerk Borkum GmbH & Co. KG; einziges Investment außerhalb kommunaler Aufgaben. Windparkprojekt in der Nordsee.
• AWZ Abfallwirtschaftszentrum Flensburg GmbHcoreStrategic or Co-development Partner · 1 January 2021100%ige Tochtergesellschaft der Stadtwerke Flensburg; Abfallwirtschaftszentrum in Flensburg. Eigenkapital 2.369.383,62 EUR (31.12.2021); Jahresergebnis 274.575 EUR.
• Aktiv Bus Flensburg GmbHcoreStrategic or Co-development Partner · 1 January 2021100%ige Tochtergesellschaft; Öffentlicher Personennahverkehr (ÖPNV) in Flensburg. Ergebnisabführungsvertrag mit Stadtwerken. Eigenkapital 1.000.000 EUR (31.12.2021).
• Flensburger Hafen GmbHcoreStrategic or Co-development Partner · 1 January 2021100%ige Tochtergesellschaft; Hafenbetrieb Flensburg. Ergebnisabführungsvertrag. Eigenkapital 52.000 EUR (31.12.2021).
• Flensburger Flughafenbetriebsgesellschaft mbHcoreStrategic or Co-development Partner · 1 January 2021100%ige Tochtergesellschaft; Flughafenbetrieb Flensburg. Ergebnisabführungsvertrag. Eigenkapital 52.000 EUR (31.12.2021).

Scale indicators8 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Stadtwerke Kiel: Neighboring municipal utility (Stadtwerke) serving the state capital of Schleswig-Holstein with electricity, gas, district heating, water, and FTTH fiber — directly comparable in scale, product mix, and regulatory framework.
• Stadtwerke Lübeck: Municipal utility in Lübeck offering similar multi-utility services (Strom, Gas, Fernwärme, Wasser, Glasfaser) under the same Konzessionsregime in Schleswig-Holstein — most direct functional peer.
• Technische Werke Ludwigshafen (TWL): Mid-sized municipal utility (Stadtwerke-equivalent) offering Strom, Gas, Fernwärme, Wasser and telecom services — closely comparable in scale (sub-€1B revenue) and product breadth.

Broad incumbents

• EWE AG: Large regional multi-utility serving northwestern Germany (Lower Saxony, Bremen, parts of Schleswig-Holstein) with energy, telecommunications (EWE TEL), and district heating — broader geographic reach but comparable portfolio.
• Stadtwerke München (SWM): Germany's largest municipal utility with similar multi-utility portfolio (M-NET telecom, MVG public transport, Stadtwerke München Energie) — much larger scale but identical legal/governance structure and business model.
• Stadtwerke Hamburg (Hamburg Energie): City of Hamburg's municipal energy supplier, part of Hamburger Hochbahn group — comparable nationwide Strom/Gas retail offering and climate-neutrality targets, but significantly larger scale.
• Thüga Holding: Holding company for ~100 municipal utilities across Germany — Stadtwerke Flensburg is comparable to a Thüga member in business model, though Thüga's portfolio aggregation is a meaningful differentiator.
• E.ON SE: Germany's largest private multi-utility with nationwide Strom/Gas retail, distribution networks, and energy services — directly competes with Stadtwerke Flensburg's nationwide Strom/Gas offering.

Regional players

• Vattenfall Wärme Berlin: Berlin-based district heating operator (Vattenfall Wärme) — comparable Fernwärme business model with combined heat and power, though serving a different geography.
• Schleswig-Holstein Netz: Distribution network operator (DSO) for most of Schleswig-Holstein, owned by E.ON/HanseWerk — comparable regulated network business adjacent to Stadtwerke Flensburg's concession territory.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/stadtwerkeflensburg

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Flensburg