Stadtwerke Dillingen/Saar GmbH

What Stadtwerke Dillingen/Saar GmbH does

Stadtwerke Dillingen/Saar GmbH is a regulated regional multi-utility company that supplies electricity, natural gas, drinking water, and district heating to the residents and businesses of Dillingen, Diefflen, and Pachten in the Saarland region of Germany. The company traces its origin to a 1902 agreement between Dillinger Hüttenwerke and the municipality, was incorporated as a GmbH in 1971, and is owned 49% by energis GmbH, 46% by the municipal holding Verkehrs- und Energiebeteiligungsgesellschaft der Stadt Dillingen/Saar mbH, and 5% directly by the city. It serves approximately 21,000 electricity customers through 130 network stations spanning 120 km of medium-voltage and 400 km of low-voltage lines, roughly 5,400 gas customers via a 115 km low-pressure network, and more than 6,000 water households supplied by 9 deep wells in the Haienbach-, Dieffler-, and Kondeler-Bachtal areas producing about 1.1 million m³ annually. Its regulated network infrastructure was carved out in 2010 into the wholly-owned subsidiary Stadtwerke Dillingen/Saar Netzgesellschaft mbH to satisfy German energy unbundling requirements.

The technology stack is built on standard industry platforms rather than proprietary systems. The Kundenportal runs on Schleupen SE software, the 'Meine SWD' iOS/Android app is developed with Endios GmbH using Firebase Cloud Messaging and Apple MapKit, smart metering (iMSys) and LoRaWAN-based IoT data streams (weather, parking) are operated through ZENNER International's Ida-Flex platform, and hosting and legal-text services are provided by Neue Medien Muennich GmbH and Website-Check GmbH respectively. Customer-facing digital tools include a Tariffinder, a Rechnungserklärer (invoice explainer), a Zählerstandsmeldung (meter reading submission) function, a digital Postbox, and a street-lighting defect-reporting map.

The business model is subscription-based multi-utility retailing on top of a regulated network tariff. Residential customers (Privatkunden) are the primary segment, with commercial customers (Gewerbekunden) and landlords/property managers served via separate sales and heat-cost-billing offerings. Pricing is partially disclosed — for example, a gas fixed-price offer at 12.400 ct/kWh gross plus a €15.99/month base fee is locked through 31 December 2027. Distribution is local and direct: physical utility infrastructure, a walk-in customer service center, the Kundenportal, and the mobile app, supported by social channels (Facebook, Instagram, LinkedIn). The company is supervised by the Saarland Ministry for Economics, Labour, Energy and Transport and is managed by Technical Managing Director Dipl.-Ing. Arno Minn and Commercial Managing Director Dipl. Ing. Jörg Fritz.

Name

Stadtwerke Dillingen/Saar GmbH

Legal name

Stadtwerke Dillingen/Saar GmbH

Website

https://swd-saar.de

Company type

Private

Founded year

1902

Operating status

Operating

Headcount range

1–10 employees

Short description

Stadtwerke Dillingen/Saar GmbH is a municipal multi-utility company that supplies electricity, natural gas, drinking water, and district heating to approximately 21,000 customers in Dillingen, Diefflen, and Pachten, Saarland, Germany, operating a regulated local distribution network and digital customer service channels.

Ownership category

akta.pro rank

Product category

Municipal Multi-Utility Services

NAICS

Water Supply and Irrigation Systems (221310)

SIC

Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Field Area Network (FAN) & Backhaul for AMI (EUADAFAE)

Keywords

• Electricity supply services
• Natural gas distribution
• Drinking water supply
• District heating services
• Municipal utility services

Headquarters

HQ city

Dillingen/Saar

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Supply: Electricity distribution and supply to approximately 21,000 citizens through 130 network stations, 120 km medium-voltage lines and 400 km low-voltage lines. Upstream grid operator: VSE Verteilnetz GmbH (110 kV)
2. Gas Supply: Natural gas supply to approximately 5,400 households through 115 km low-pressure network. Gas quality: H-Quality (H-Gas) since December 1977. Upstream grid operator: Creos Deutschland GmbH
3. Drinking Water Supply: Drinking water supply to over 6,000 households from 9 deep wells in Haienbachtal, Diefflen and Kondeler-Bachtal areas. Annual production: 1.1 million m³
4. Heat/District Heating Services: Heat supply services with technical conditions for direct service heating systems
5. Network Operations (Heat Cost Billing): Heat cost billing services for landlords including meter installation, consumption recording via radio, and billing statement preparation

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

Stadtwerke Dillingen/Saar GmbH is a regional multi-utility provider delivering electricity, natural gas, drinking water, and district heating to residential and commercial customers in Dillingen, Diefflen, and Pachten in Saarland, Germany. Services are sold through physical infrastructure networks and supported by a Kundenportal web portal and the Meine SWD mobile app. Additional offerings include heat cost billing services for landlords, smart metering (iMSys), and street lighting maintenance.

Product overview

Stadtwerke Dillingen/Saar GmbH is a regional energy and water utility company serving Dillingen, Diefflen, and Pachten in the Saarland region of Germany. The company operates as a multi-utility provider offering electricity, natural gas, drinking water, and heating supply services. The product portfolio centers on these four core utility supply offerings delivered through a digital ecosystem comprising the Kundenportal (web-based customer portal) and Meine SWD mobile app (available for iOS and Android), which enable customers to manage accounts, submit meter readings, view invoices via a digital postbox, and access tariff information. Supporting self-service tools include a Tariffinder for product selection, a Rechnungserklärer for invoice transparency, and a Zählerstandsmeldung feature for consumption reporting. The company also provides smart metering infrastructure (iMSys), street lighting services, and maintains a separate network subsidiary (Netzgesellschaft) for regulated infrastructure operations. Advanced services include LoRaWAN-based smart data streams and heat cost billing solutions for landlords.

Differentiator

Problem solved

Functional benefit

Products and services

• Stromversorgung (Electricity Supply)
• Gasversorgung (Natural Gas Supply)
• Trinkwasserversorgung (Drinking Water Supply)
• Wärmeversorgung (District Heating Supply)
• Heizkostenabrechnung Easy (Heat Cost Billing)
• Smart Metering / Intelligente Messsysteme (iMSys)
• Kundenportal (Customer Portal)
• Meine SWD (Mobile App)
• Straßenbeleuchtung (Street Lighting)

Quantifiable outcome

• 21,000+ citizens served with electricity
• +3 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature4 records

Partnerships

Four partnerships are on record, tiered core.

• VSE Verteilnetz GmbHcoreTechnology or IntegrationUpstream high-voltage grid operator supplying 110 kV electricity. Power is received at transfer station 'Pachten' and distributed through 130 network stations into 10 kV and 0.4 kV networks for local distribution.
• Creos Deutschland GmbHcoreTechnology or IntegrationUpstream gas grid operator providing natural gas supply. Gas is delivered through 4 transfer stations into the 115 km low-pressure network serving approximately 5,400 households.
• Schleupen SEcoreTechnology or IntegrationSoftware provider for customer portal operations, contact form processing, booking forms for energy/water/gas supply contracts, product finder, and meter reading submission. Data processing conducted under commissioned processing agreement per Art. 28 DSGVO.
• Endios GmbHcoreTechnology or IntegrationApp developer for 'Meine SWD' mobile application. Receives access to personal data during maintenance work, error resolution, and troubleshooting of individual user problems.

Scale indicators9 records

Recent moves8 records

Expansion highlights4 records

Market position

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Stadtwerke-DillingenSaar-1559966770934137
• LinkedInlinkedin.com/company/stadtwerke-dillingen-saar-gmbh
• Instagraminstagram.com/stadtwerke_dillingen_saar

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

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 Dillingen/Saar GmbH