Zeag Energie

What Zeag Energie does

ZEAG Energie AG is a regional German energy utility headquartered in Heilbronn (Weipertstraße 41, 74076 Heilbronn) that has operated continuously since 1888. The company generates and supplies electricity, natural gas, district heating (Nahwärme), high-speed fiber internet (DaheimInternet), and e-mobility services (Ladenetz charging network and DaheimStrom E-Mobil tariff) to residential, commercial, industrial, municipal, and real estate customers across the Heilbronn-Franken region. Its own generation portfolio includes three wind parks (Sulzbach-Laufen, Stöckach, and Harthäuser Wald), hydropower facilities, and large-scale solar parks in Adelsheim Hergenstadt Nord and Buchen-Rinschheim. Operational subsidiaries include NHF Netzgesellschaft Heilbronn-Franken mbH and NHL Netzgesellschaft Heilbronner Land GmbH & Co. KG (regulated grid operations under EnWG unbundling), ZEAG Engineering GmbH, and affiliated entities Heilbronner Versorgungs GmbH and Gasversorgung Unterland GmbH, all co-located at the Energiestandort Heilbronn. EnBW is a major strategic partner and shareholder.

The company's product portfolio is anchored by three core residential energy brands — BürgerEnergie (100% regional solar electricity), DaheimStrom (sustainable local electricity), and DaheimGas (natural gas with long-term price stability) — supplemented by energy efficiency consulting, building energy certificates, heating and mold analysis, photovoltaic installations, contracting services, municipal lighting, and a Mieterstrom tenant electricity model. Distribution is hybrid: a physical customer center in Heilbronn combined with a self-serve online portal (mein-portal.de), toll-free phone service, and dedicated enterprise/municipal direct sales. Pricing is subscription-based, quote-driven for commercial and industrial customers, and requires postal code plus consumption inputs.

ZEAG makes money through recurring subscription tariffs for electricity and gas supply, managed-services contracting for industrial and municipal clients, professional services for energy audits and certifications, and capital investment in district development projects (Quartiersentwicklung) where it acts as both supplier and investment partner for new urban quarters. Customer-facing brand strength is evidenced by 17 consecutive 'Top Lokalversorger' (Top Local Provider) recognitions as of 2026. Two authorized representatives, Alexander Bürkle and Franc Schütz, currently lead the AG-level legal entity. No AI capabilities, funding rounds, or M&A activity are disclosed in the source material; the company is private, profitable at the operating level based on its sustained reinvestment program (notably a €10 million commitment over 10 years to the Harthäuser Wald wind and solar park), and operates as a multi-utility regional platform within the EnBW-aligned Energiestandort Heilbronn ecosystem.

Name

Zeag Energie

Legal name

ZEAG Energie AG

Website

https://zeag-energie.de

Company type

Private

Founded year

1888

Operating status

Operating

Headcount range

11–50 employees

Short description

ZEAG Energie AG is a regional German energy utility headquartered in Heilbronn that generates and supplies electricity, gas, district heating, fiber internet, and e-mobility services to residential, commercial, industrial, municipal, and real estate customers across the Heilbronn-Franken region.

Ownership category

akta.pro rank

Headquarters

HQ city

Heilbronn

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Electricity Supply: Supply of electricity to residential (DaheimStrom), commercial (Gewerbe), and industrial customers, as well as the BürgerEnergie regional solar product
2. Gas Supply: Supply of natural gas to residential (DaheimGas) and commercial customers with long-term stable pricing
3. District Heating: Supply of heating through local heating networks (Nahwärme) to residential and commercial properties
4. Contracting Services: Energy contracting services for industrial and municipal customers, including planning, implementation, and operation of energy supply systems
5. Energy Efficiency Services: Building energy certificates, mold analysis, on-site energy consulting, heating analysis, and energy audits for real estate and municipal customers
6. E-Mobility: E-mobility charging network (Ladenetz) and dedicated EV tariffs (DaheimStrom E-Mobil)
7. Fiber Optic Internet: High-speed fiber optic internet services (DaheimInternet) in the Heilbronn region
8. District Development Investment: Investment partner for district development projects, including supply facilities, real estate, and sustainability investments

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels9 records

Core offering

ZEAG Energie AG is a regional energy utility that supplies electricity, natural gas, and district heating to residential, commercial, industrial, and municipal customers in the Heilbronn-Franken region of Germany, supplemented by fiber optic internet, e-mobility charging, energy contracting, energy consulting, and integrated district development services. The company also owns and operates renewable generation assets (wind, solar, hydro) and markets a citizen solar product (BürgerEnergie).

Product overview

ZEAG Energie AG is a regional energy utility offering an integrated portfolio of energy products and services for residential, commercial, industrial, and municipal customers in the Heilbronn-Franken region. The core product portfolio includes three main residential energy products: BürgerEnergie (100% regional solar electricity), DaheimStrom (sustainable local electricity), and DaheimGas (natural gas with best-price guarantee). These are complemented by DaheimInternet high-speed fiber internet, EV charging infrastructure (ZEAG DaheimStrom E-Mobil tariff and public charging network), and district heating through Nahwärme. For business customers, ZEAG provides dedicated energy supply, energy efficiency consulting, and contracting services. Municipal clients receive specialized offerings including lighting solutions, district development (Quartiersentwicklung), and integrated urban energy planning. The company also operates its own renewable generation assets including wind parks (Windkraft), hydropower (Wasserkraft), and solar parks (Photovoltaik). Additional consulting services include building energy certificates, heating system analysis, mold analysis, on-site energy consulting, tenant electricity models (Mieterstrom), and digital invoicing. A digital customer portal enables online contract management and service access.

Differentiator

Problem solved

Functional benefit

Brands

• BürgerEnergie: Regional eco-electricity product - 100% solar power from the region for the region
• DaheimStrom
• DaheimGas

Products and services

• BürgerEnergie 100% regional solar electricity product for citizens in the Heilbronn-Franken region, supporting the local energy transition with fair pricing and online booking through the ZEAG customer portal. Available in designated BürgerEnergie municipalities.
• DaheimStrom Sustainable local electricity supply with personal service and fair, transparent pricing for residential customers in the Heilbronn-Franken region, billed monthly.
• DaheimGas Natural gas supply with best-price guarantee (Bestabrechnung), full service and long-term stable gas prices for residential customers in the region, billed monthly.
• Nahwärme (District Heating) District heating supplied through ZEAG's local heating network for connected residential and commercial buildings in the Heilbronn-Franken region.
• DaheimInternet High-speed broadband internet service delivered over ZEAG's fiber optic infrastructure for residential customers in the Heilbronn region.
• ZEAG DaheimStrom E-Mobil Dedicated electricity tariff designed for home charging of electric vehicles, targeted at residential ZEAG customers.
• Ladenetz (Charging Network) Publicly accessible electric vehicle charging network operated by ZEAG across the region for e-mobility customers.
• Energie-Effizienz (Energy Efficiency Services) Energy efficiency consulting and analysis services for residential, commercial, industrial and municipal customers, including on-site energy consulting (Energieberatung vor Ort), building energy certificates (Gebäude-Energieausweis), heating analysis (Heizungsanalyse), mold analysis (Schimmelanalyse), and energy audits (Energieaudit).
• Contracting Energy contracting services for industrial and municipal customers covering planning, implementation and operation of integrated energy supply systems, including investment by ZEAG.
• Kommunale Beleuchtung (Municipal Lighting) Energy-efficient street and public lighting solutions for municipal customers, including design and operation by ZEAG.
• Photovoltaik (Solar PV for Real Estate) Solar photovoltaic installations for real estate properties, enabling on-site renewable electricity generation for property managers and owners.
• Quartiersentwicklung (District Development) Integrated planning and supply services for new urban quarters, including renewable systems, heat solutions, Mieterstrom (tenant electricity), communication infrastructure and energy efficiency. Also positioned as an investment partner for district development projects.
• Mieterstrom (Tenant Electricity) Tenant electricity model allowing building owners to provide their residents with electricity generated on-site from the building's solar PV system.
• Windkraft (Wind Generation) Local wind energy generation through wind parks including Sulzbach-Laufen, Stöckach and Harthäuser Wald feeding the regional supply.
• Wasserkraft (Hydropower) Hydropower generation providing renewable electricity as a second pillar of ZEAG's regional energy transition supply.
• Solarpark-Projekte (Large-Scale Solar Park Projects) Large-scale solar park developments including projects in Adelsheim Hergenstadt Nord and Buchen-Rinschheim for regional renewable electricity generation.
• Digitale Rechnungen (Digital Invoicing) Digital invoicing service for property management and commercial customers to reduce administrative costs and streamline billing.
• Kundenportal (Customer Portal) Online self-service portal (mein-portal.de) for customers to manage contracts, view invoices, submit meter readings and handle energy-related tasks.

Quantifiable outcome

• 17 consecutive 'Top Lokalversorger' recognitions (2026 being the 17th year)
• +1 more outcomes

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core.

• NHF Netzgesellschaft Heilbronn-Franken mbHcoreTechnology or IntegrationNetwork subsidiary responsible for electricity and gas grid operations in Heilbronn-Franken. Part of the ZEAG group with unbundling compliance under the German Energy Industry Act (EnWG). Provides 24-hour power outage service (Entstörungsdienst).
• NHL Netzgesellschaft Heilbronner Land GmbH & Co. KGcoreTechnology or IntegrationNetwork subsidiary responsible for grid operations in the Heilbronn surrounding area (Heilbronner Land). Part of the ZEAG group with unbundling compliance under EnWG.
• Heilbronner Versorgungs GmbHcoreStrategic or Co-development PartnerAffiliated company at the Energiestandort Heilbronn, working with ZEAG on shared services and operations within the local energy ecosystem.
• Gasversorgung Unterland GmbHcoreStrategic or Co-development PartnerAffiliated company at the Energiestandort Heilbronn focused on gas supply in the Unterland region.
• ZEAG Engineering GmbHcoreStrategic or Co-development PartnerEngineering subsidiary of ZEAG group providing technical engineering services for energy projects and infrastructure.
• Stadt Heilbronn (City of Heilbronn) and subsidiariescoreStrategic or Co-development PartnerZEAG is a key energy partner for the City of Heilbronn and its municipal utilities, collaborating on district development projects (e.g., Neckarbogen Heilbronn, Südbahnhof Heilbronn, Pfühlpark Heilbronn).
• EnBW (Energie Baden-Württemberg) and subsidiariescoreStrategic or Co-development PartnerEnBW is a major strategic partner and shareholder in the ZEAG group. ZEAG references collaboration with EnBW and its subsidiaries within the Energiestandort Heilbronn ecosystem.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Mainova: Frankfurt-based regional multi-utility (Stadtwerke Frankfurt holding structure) supplying electricity, gas, heat, and water across the Rhine-Main region. Comparable multi-utility scope and product bundle, though serving a larger and denser metropolitan area.
• Stadtwerke Heidelberg: Municipal multi-utility (Stadtwerk) serving Heidelberg and surrounding region with electricity, gas, heat, water, and fiber. Closely comparable in scale, geographic focus on a single German region, and product breadth including district heating and citizen energy models.
• Stadtwerke Leipzig: Major German municipal multi-utility serving the Leipzig region with electricity, gas, district heating, water, and broadband. Comparable product portfolio and district heating focus, though at considerably larger scale than ZEAG.
• Stadtwerke Ludwigsburg: Direct geographic neighbor to ZEAG, also operating as a municipal multi-utility in Baden-Württemberg with electricity, gas, heat, and broadband services. Highly comparable regional Stadtwerk model in an adjacent service territory.
• N-ERGIE: Regional multi-utility serving the Nuremberg/Fürth region with electricity, gas, district heating, water, and broadband. Comparable multi-product Stadtwerk model, similar EnBW/regional shareholder dynamics, and similar energy transition challenges in southern Germany.
• EWE AG: Large regional multi-utility serving northwestern Germany (Lower Saxony, Brandenburg, Bremen) with electricity, gas, telecommunications, and e-mobility. Comparable breadth of services and regional focus, though at significantly larger scale than ZEAG.
• Pfalzwerke: Regional energy utility serving the Palatinate region of Rhineland-Palatinate with electricity, gas, water, and energy services. Comparable multi-product municipal-utility structure with similar renewable generation and grid operations profile.

Emerging players

• Lichtblick: Hamburg-based renewable electricity supplier and virtual power plant operator. Comparable focus on 100% renewable energy supply and citizen-friendly positioning, though operating as a pure-play energy retailer rather than a multi-utility.

Broad incumbents

• Stadtwerke München (SWM): Germany's largest municipal multi-utility, operating electricity, gas, district heating, water, and telecommunications across Munich. Illustrates the full potential of the regional multi-utility model ZEAG follows, including major renewable generation (Munich Wind, geothermal).
• EnBW ODR: Subsidiary of EnBW (ZEAG's own strategic shareholder) operating electricity and gas grids plus energy supply in the Ostalb and surrounding regions. Direct comparison point for the EnBW / regional utility model that ZEAG operates within, though at substantially larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC3BXpy0oI6SyDvsVKGdnzQg
• Facebookfacebook.com/zeagenergie
• Instagraminstagram.com/zeagenergie
• Xx.com/zeagenergie
• LinkedInlinkedin.com/company/zeag-energie-ag

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Zeag Energie