Stadtwerke Kiel

What Stadtwerke Kiel does

Stadtwerke Kiel AG is a municipal utility headquartered in Kiel, Germany, supplying electricity, natural gas, district heating, and drinking water to residential and business customers across the Kiel region. Founded in 1899 (water operations began), the company is majority-owned by the City of Kiel and operates as part of the MVV Energie group through IT and billing subsidiaries (Soluvia IT-Services, Soluvia Energy Services). It maintains wholly-owned operating subsidiaries SWKiel Netz GmbH (network operations) and SWKiel Speicher GmbH (storage), plus a strategic interest in FördeWärme GmbH (neighborhood heating).\n\nThe company's infrastructure footprint centers on the Küstenkraftwerk coastal power plant (commissioned 2015), a 370 km district heating (Fernwärme) network serving Kiel households and businesses, and the Kieler Wasser water supply reaching 180,000+ households. Planned additions include two 50 MW large-scale heat pumps using Förde water to decarbonize district heating in line with the municipal heat plan approved December 2024. The product portfolio spans electricity (Strom Fix with price guarantee to end of 2027, StromNatur regional wind power, heat pump and EV tariffs), gas (Erdgas, Biogas), heat (district heating connections, heat pumps for single-family and multi-family homes), PV (Komplettpaket with panels, battery, wallbox), e-mobility (home and public charging, the Stromfahrer app, THG quota monetization), and the Stadtmark loyalty program.\n\nCommercial operations run on a subscription/utility-tariff model with multi-year contracts, supplemented by hardware sales for PV and wallbox installations. Go-to-market combines customer centers in Kiel and Preetz, a 24/7 self-service Online-Konto portal, the Merle chatbot, online tariff calculators, an enterprise field sales force for Großkunden, and regional sponsorships. Revenue figures are not disclosed in the available data; scale is indicated by 501-1,000 employees, 65 apprentices, and a TOP 1% German employer ranking plus a 4th-place finish among ~1,000 German Stadtwerke in 'Exzellente Nachhaltigkeit 2025' (97.9/100).

Name

Stadtwerke Kiel

Legal name

Stadtwerke Kiel AG

Website

https://stadtwerke-kiel.de

Company type

Private

Founded year

1899

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Stadtwerke Kiel AG is a City of Kiel-owned municipal utility supplying electricity, natural gas, district heating, and water to 180,000+ households and businesses in the Kiel region, operating the Küstenkraftwerk power plant and a 370 km district heating network as part of the MVV Energie group.

Ownership category

akta.pro rank

Headquarters

HQ city

Kiel

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Revenue model

1. Electricity Supply: Electricity supply to residential and business customers in Kiel region. Products include standard electricity, Ökostrom (eco power from regional wind), Strom Fix with price guarantee until end of 2027, heat pump electricity, and EV electricity (FahrerStrom).
2. Natural Gas Supply: Natural gas supply for heating, hot water, and cooking. Includes biogas options and favorable gas tariffs.
3. District Heating (Fernwärme): District heating supply through 370 km network. Includes connection services, substations, and heating solutions for residential and commercial buildings.
4. Water Supply: Drinking water supply to over 180,000 households. Water is recognized as top quality in Germany.
5. PV/Solar Packages: Complete photovoltaic packages including installation, battery storage, wallbox, and heat pumps. Includes advisory services, installation by qualified craftsmen, and ongoing service.
6. E-Mobility Services: Charging solutions including home charging stations, public charging network access, THG quota service (€290 for EV owners), and EV driver app.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels9 records

Core offering

Stadtwerke Kiel is a regional municipal utility that supplies electricity, natural gas, district heating and drinking water to residential and business customers in the Kiel region. Beyond traditional utility supply, the company offers integrated energy solutions including photovoltaic packages with battery storage and wallboxes, heat pump systems, e-mobility charging infrastructure, and the Stromfahrer EV network, supported by the modern Küstenkraftwerk power plant and a 370 km district heating network.

Product overview

Stadtwerke Kiel is a regional energy utility company offering a comprehensive portfolio of energy and utility products. The core offering includes electricity (Strom Fix, StromNatur, Ökostrom, günstige Tarife, Wärmepumpenstrom, FahrerStrom) and natural gas (Biogas, Erdgas) supply contracts, supplemented by heating solutions (Fernwärme district heating network, Wärmepumpe heat pumps). The photovoltaic division provides PV-Komplettpaket packages including solar panels, batteries, and wallboxes. E-mobility services cover home charging (Wallbox/Laden zu Hause), public charging infrastructure, THG-Quotenservice, and the Stromfahrer-App. Digital services include the Online-Konto customer portal and Chatbot Merle. Additional offerings encompass drinking water supply (Kieler Wasser), the Stadtmark loyalty program, moving services, and various sustainability/social initiatives (Umweltpreis, Segelcamp, Blühende Bienenwiesen). The company also operates the Küstenkraftwerk and Windpark Thaden for power generation.

Differentiator

Problem solved

Functional benefit

Brands

• StromNatur: Green electricity tariff from 100% regional wind power with 0.6 cents per kWh going to environmental fund for trees and bee conservation.
• GasNatur
• Strom Fix
• FahrerStrom
• Stadtmark
• stromfahrer

Products and services

• Strom Fix (Electricity with Price Guarantee)
• StromNatur / Ökostrom (Green Electricity)
• Wärmepumpenstrom (Heat Pump Electricity) Specialized electricity tariff designed for heat pump systems, for property owners using heat pumps for heating.
• FahrerStrom (EV Electricity Tariff) Electricity tariff tailored for electric vehicle owners for home and on-the-go charging.
• Biogas (Green Gas) Biogas product for environmentally conscious heating, hot water, and cooking, for residential and commercial customers seeking renewable gas options.
• Günstiges Erdgas (Affordable Natural Gas) Cost-effective natural gas for heating, hot water, and cooking supplied to households and businesses in the Kiel region.
• Fernwärme (District Heating) Climate-friendly district heating supplied through a 370 km network, providing maintenance-free heating and hot water to Kiel households and businesses, including connection services and substations.
• Wärmepumpe (Heat Pump Systems) Heat pump systems as a sustainable heating alternative for single-family and multi-family homes, sold to environmentally conscious property owners.
• Wärmepumpen für MFH (Heat Pump Contracting) Heat pump contracting solutions for multi-family houses, providing heating-as-a-service to property managers and landlords.
• PV-Komplettpaket (Complete PV Package) Complete photovoltaic package combining solar panels, heat pump, battery storage, and wallbox from a single source, with installation by qualified craftsmen and ongoing service, for homeowners and property developers.
• Batteriespeicher (Battery Storage Systems) Battery storage systems for storing excess solar energy to increase self-consumption and energy independence, sold to PV system owners.
• Wallbox / Laden zu Hause (Home EV Charging) Home charging stations (wallboxes) for electric vehicles with installation services, sold to EV-owning residential customers.
• Laden in der Kiel Region (Public EV Charging Network) Public EV charging infrastructure across the Kiel region, with access to charging points via the Stromfahrer network and app.
• THG-Quotenservice (GHG Quota Service)
• Kieler Wasser (Drinking Water Supply)
• Küstenkraftwerk (Coastal Power Plant)

Quantifiable outcome

• 180,000+ households served with water supply for over 125 years
• +2 more outcomes

Named customers1 record

Segments5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

Feature4 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• FördeWärme GmbHcoreStrategic or Co-development PartnerStrategic partnership for Nahwärme (local heating network) development. Stadtwerke Kiel refers customers in certain areas to FördeWärme GmbH for neighborhood heating solutions when district heating is not available. FördeWärme has expressed interest in developing local heating networks in various neighborhoods.
• Soluvia IT-Services GmbHcoreTechnology or IntegrationSubsidiary of MVV Gruppe providing IT services including development and programming of the Stadtwerke Kiel OnlineService portal. Part of the same corporate group.
• MVV Gruppe (Mother Company)coreOthersParent company group based in Mannheim. Stadtwerke Kiel is part of the MVV Gruppe which also includes Soluvia IT-Services and Soluvia Energy Services. Joint recruitment and career opportunities across the group.
• Lichtblick e.V.minorStrategic or Co-development PartnerSocial partnership providing debt and insolvency counseling for customers in financial difficulties. Stadtwerke Kiel supports this initiative with annual donations, helping customers find ways out of financial challenges.
• Stiftung Leben mit KrebsminorStrategic or Co-development PartnerAnnual donation of €10,000 to support sports therapy programs for cancer patients in Kiel. Also covers registration fees for Stadtwerke teams participating in the charitable rowing regatta.
• Thor Heyerdahl (Traditionssegler)minorStrategic or Co-development PartnerAnnual donation of €5,000 to support the sailing school ship Thor Heyerdahl which provides educational programs for children and youth. Supports youth development, teamwork, and responsibility.
• Segelcamp / Camp 24/7minorStrategic or Co-development PartnerPartnership with Landeshauptstadt Kiel and over 100 partners from business and sports for affordable sailing programs for children and youth during Kiel Week. Organised by Kiel Marketing GmbH.
• Deutsche Umwelt-Aktion (Verein)minorStrategic or Co-development PartnerPartnership for 'Energieunterricht' (energy education) program for elementary schools. The association provides instructors for free project days on energy, water, and environmental topics for 4th grade classes.
• Stadtmark Partners (Regional Businesses)minorChannel Partner/ Reseller/ DistributorGrowing network of regional partners in gastronomy, retail, sports, entertainment, services, wellness, and travel offering discounts and special offers to Stadtwerke Kiel customers through the Stadtmark loyalty program.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Mainova AG: Municipal energy provider for Frankfurt am Main, supplying electricity, gas, district heating, and water. Closely comparable in service portfolio, regulated municipal status, and mid-to-large German-city customer base.
• Stadtwerke München: One of Germany's largest municipal utilities (Stadtwerke), serving Munich with electricity, district heating, gas, water, and mobility services. Directly comparable in business model and service mix to Stadtwerke Kiel, only at much larger scale.
• Stadtwerke Hamburg (Hamburg Energie / Hamburger Wärme): Municipal utility of Hamburg providing electricity, district heating (Hamburger Wärme), gas, and water. A near-twin operating model in terms of service portfolio and regulated municipal status, though in a much larger city.
• Stadtwerke Bremen (swb): Municipal utility of Bremen providing electricity, district heating, gas, and water in northern Germany. Closely comparable in service mix, regional northern-German focus, and municipal ownership structure.
• N-ERGIE Aktiengesellschaft: Municipal utility of Nuremberg offering electricity, gas, district heating, water, and e-mobility. Comparable integrated Stadtwerke model serving a mid-sized German city, with similar municipal and group ownership characteristics.

Broad incumbents

• EWE AG: Large regional energy and telecommunications provider serving northwest Germany (including regions bordering Schleswig-Holstein). Comparable in scale, energy services, and digital offerings, with a broader geographic footprint.
• E.ON SE: One of Europe's largest energy utilities, operating networks, customer solutions, and distributed energy across Germany. Represents the national incumbent benchmark and a key potential competitive force for Stadtwerke Kiel in retail energy, heating, and e-mobility.
• MVV Energie AG: Parent-group energy company headquartered in Mannheim. Stadtwerke Kiel is part of the MVV Gruppe, so MVV is the direct corporate parent and most relevant incumbent benchmark for operations, IT, and group-level strategy.
• EnBW Energie Baden-Württemberg AG: Integrated German energy utility active in generation, grid, and retail. Comparable on retail energy, district heating, and e-mobility offerings, with broader geographic and product reach.

Regional players

• Vattenfall Wärme Hamburg GmbH: Vattenfall's German district heating subsidiary focused on Hamburg. A leading operator of large-scale district heating in northern Germany, directly comparable to Stadtwerke Kiel's district heating business model and decarbonization challenges.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/stadtwerke-kiel-ag
• Instagraminstagram.com/stadtwerke_kiel
• Xx.com/StadtwerkeKiel
• Facebookfacebook.com/StadtwerkeKielAG

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 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 Kiel