What SÜDWÄRME Gesellschaft für Energielieferung AG does

SÜDWÄRME Gesellschaft für Energielieferung AG is a German energy contracting company founded in 1993 and headquartered in Unterschleißheim near Munich. The company invests in, builds, finances, and operates decentralized energy generation systems on behalf of property owners, facility managers, housing companies, municipalities, and industrial clients, delivering heat, cooling, electricity, and e-mobility charging as bundled services under long-term contracts. Its technology portfolio covers combined heat and power (BHKW/CHP) from 10 kWel to roughly 2 MWel, biomass boilers (wood chips and pellets), heat pumps, geothermal, district heating networks, tenant electricity (Mieterstrom) via on-site PV and CHP, combined heat-cool-power (KWKK) using absorption chillers, and EV charging infrastructure. Customers receive ready-made thermal and electrical energy without bearing upfront investment, operational responsibility, or fuel procurement risk.

The business model is contracted managed services with recurring, usage-based revenue: customers pay a working price per kWh plus a basic fee over contractually agreed terms, and SÜDWÄRME retains ownership of the generation assets. SÜDWÄRME operates through a decentralized Verbund of more than 20 regional competence centers staffed with building technology specialists, enabling local sales, project delivery, and 24/7 remote monitoring while centralized functions handle financing and fuel procurement. The BiomasseEnergieNetzwerk (B.E.N), of which SÜDWÄRME is a founding member, secures long-term, price-stable wood supply for biomass and CHP installations.

Customer segments span residential new construction, existing residential buildings (with emphasis on replacing oil heating ahead of Germany's 2026 ban), municipal buildings, hotels, industrial and commercial enterprises (including manufacturing names such as Rapunzel, HOSOKAWA ALPINE, BSH Hausgeräte, Wolff & Müller, and Etex Building Performance), medical and care facilities, and leisure facilities such as Badewelt Euskirchen. The company reports more than 400 locations and 1,000+ buildings supplied, with installed capacities ranging from 40 kW to 30 MW. SÜDWÄRME is organized as a German Aktiengesellschaft (AG) without publicly traded shares, and its operating geographies are exclusively domestic.

Name

SÜDWÄRME Gesellschaft für Energielieferung AG

Legal name

SÜDWÄRME Gesellschaft für Energielieferung AG

Website

https://suedwaerme.de

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

1–10 employees

Short description

SÜDWÄRME is a German energy contracting company that finances, builds, and operates decentralized heat, cooling, electricity, and e-mobility systems for property owners, municipalities, industrial firms, hotels, and care facilities across Germany under long-term supply contracts.

Ownership category

akta.pro rank

Product category

Decentralised Energy Contracting Services

NAICS

Steam and Air-Conditioning Supply (221330), Electric Power Generation, Transmission and Distribution (2211)

SIC

Cogeneration Services & Small Power Producers (4991), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Onsite Low-Carbon Heat & CHP (Electrified CHP, Fuel Cells, Renewable CHP) (EUABAJAI)

akta.pro secondary industries

Chillers, Boilers & Central Plant Operations (BPABACAG), Demand Response & Load Flexibility Services (EUAMAJAF)

Keywords

• Decentralized energy supply
• Combined heat and power
• District heating networks
• Biomass heating systems
• Energy contracting services

Headquarters

HQ city

Unterschleißheim

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Energy Contracting Services: SÜDWÄRME provides comprehensive energy supply services through contracting agreements. The company invests in, builds, finances, and operates energy generation facilities on behalf of customers. Customers receive ready-made heat, cooling, and electricity without bearing investment costs or operational responsibilities. Revenue is generated through long-term energy supply contracts with agreed-upon working prices and basic fees. The model creates recurring revenue streams over contract durations.
2. Heat Supply Contracts: Since 1993, SÜDWÄRME has supplied customers with heat through heat supply contracts (Wärmeversorgungsverträge). The company handles all planning, construction, financing, and operation of energy generation plants. Revenue derives from working prices per kWh and basic fees as contractually agreed.
3. Mieterstrom (Tenant Electricity): On-site electricity generation and supply to residential and commercial building tenants. Revenue is generated from electricity supply to tenants at attractive rates, with electricity produced via PV panels or BHKW and supplied directly without long transmission lines.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels2 records

Core offering

SÜDWÄRME provides decentralised heat, cooling, and electricity supply through long-term energy contracting (Wärmelieferung / Energieliefer-Contracting) for residential, commercial, industrial, municipal, hotel, medical, leisure, and care facility customers across Germany. The company finances, builds, operates, and maintains on-site energy generation systems and district-level energy networks, bundling planning, installation, fuel supply, operation, and maintenance into a single contracted service. Complementary offerings include tenant electricity, e-mobility charging, and biomass-based heating as integrated add-ons.

Product overview

SÜDWÄRME is an energy contracting company offering a comprehensive portfolio of distributed energy supply solutions. The core offering consists of Wärmeversorgung (heat supply), Quartierversorgung (district supply), Dezentrale Stromversorgung (decentralized power via BHKW/CHP), and Kälteversorgung (cooling). These core services are complemented by modular add-ons including Mieterstrom (tenant electricity), E-Mobilität (e-mobility charging infrastructure), and Heizen mit Holz (biomass heating). The company operates through a network of over 20 regional competency centers serving more than 400 locations and 1,000+ buildings with thermal capacities ranging from 40 kW to 30 MW.

Differentiator

Problem solved

Functional benefit

Products and services

• Heat Supply (Wärmeversorgung)

Quantifiable outcome

• Energy consumption reduced by up to 45% through CHP technology compared to separate electricity and heat generation
• +2 more outcomes

Named customers14 records

Segments9 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered core and supporting.

• B.E.N (BiomasseEnergieNetzwerk)coreStrategic or Co-development PartnerBiomass Energy Network (B.E.N) is a strategic partnership for wood procurement and logistics. SÜDWÄRME is a founding member, receiving exclusive fuel supply from B.E.N network partners through long-term wood supply contracts at stable prices. This ensures sustainable regional value creation and supply security over entire contract durations.
• E-Mobility Network PartnerssupportingTechnology or IntegrationPartnerships with network partners for e-mobility charging infrastructure. Partners collaborate on charging infrastructure planning, setup, service, maintenance, and optionally billing and power supply for charging points.
• Mieterstrom Network PartnerssupportingTechnology or IntegrationPartnerships for tenant electricity (Mieterstrom) solutions including PV panel installation, BHKW systems, measurement concepts, residual power procurement, and surplus power marketing.
• Provitex GmbHsupportingTechnology or IntegrationWeb hosting provider located in Reutlingen, Germany. Provitex GmbH hosts the SÜDWÄRME website as a data processor under GDPR Article 28.
• Google Ireland LimitedsupportingTechnology or IntegrationTechnology provider for Google Fonts (locally integrated), Google Maps for directions, and Google reCAPTCHA for bot protection on contact forms.
• Borl abs CookiesupportingTechnology or IntegrationConsent management solution by Benjamin A. Bornschein for obtaining and documenting cookie consent in compliance with legal requirements.
• Defiant Inc. (Wordfence)supportingTechnology or IntegrationWebsite security plugin provider protecting SÜDWÄRME website from unwanted access and malicious cyberattacks through database comparison and blocking.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Regional players

• Vattenfall Wärme Berlin: Vattenfall Wärme Berlin operates large-scale district heating networks and CHP plants supplying heat to residential, commercial, and industrial customers in the Berlin metropolitan area. It overlaps with SÜDWÄRME in CHP-based heat supply but is concentrated in a single region and operates utility-scale rather than decentralized plants.
• Mainova AG: Mainova AG is the regional energy utility for Frankfurt and the Rhine-Main area, with a significant district heating and CHP-based energy services business. It serves municipal, commercial, and industrial customers in its catchment with offerings that overlap SÜDWÄRME's contracting portfolio.
• Stadtwerke München (SWM): Stadtwerke München operates one of Germany's largest municipal utility businesses including geothermal and CHP-based district heating serving Munich and surrounding areas. It competes with SÜDWÄRME for regional municipal and commercial heating contracts, particularly in the greater Munich/southern Bavaria region.

Direct peers

• GETEC Group: GETEC Group is a German energy contracting and energy services specialist providing heat, cooling, and electricity supply to industrial and commercial customers across multiple regions. It is the closest direct peer to SÜDWÄRME in business model, combining decentralized energy generation with long-term supply contracts and bundled renewable/CHP offerings.
• Veolia Energie Deutschland: Veolia Energie Deutschland operates district heating and cooling networks, CHP plants, and industrial energy supply contracts across Germany. Its offering to municipal, commercial, and industrial customers mirrors SÜDWÄRME's CHP-based contracting model with similar long-term service contracts.
• Dalkia Deutschland: Dalkia Deutschland provides energy services including district heating, CHP operation, and industrial energy supply across German regions. It operates a comparable on-site energy contracting model for industrial and municipal clients with similar renewable and gas-fired generation mix.

Broad incumbents

• ENGIE Deutschland: ENGIE Deutschland (formerly Cofely/GDF Suez) operates one of the largest energy services and district heating portfolios in Germany. It serves similar industrial, municipal, and commercial customers with combined heat and power, heat supply contracting, and energy efficiency services, but as part of a much larger multi-national group.
• MVV Energie: MVV Energie is a German municipal utility with a substantial district heating and energy services portfolio serving cities in the Rhine-Neckar region. It competes with SÜDWÄRME for municipal and industrial energy supply contracts and offers comparable CHP and renewable heat generation services.
• EnBW Energie Baden-Württemberg: EnBW is one of Germany's largest integrated utilities providing electricity, heat, and energy services to municipal, industrial, and commercial customers. Its Stadtwerke solutions and CHP offerings overlap with SÜDWÄRME's decentralized energy contracting in southern Germany.
• E.ON Energy Solutions: E.ON Energy Solutions is the energy services arm of E.ON, providing distributed energy solutions including CHP, heating networks, and decarbonization consulting to commercial and industrial customers in Germany. It is a larger incumbent with broader capabilities than SÜDWÄRME but overlaps on the customer-facing energy contracting proposition.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/s%C3%BCdw%C3%A4rme-ag

Revenue estimate

Valuation estimate

Number of profiles

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 SÜDWÄRME Gesellschaft für Energielieferung AG