Heidelberger Energiegenossenschaft

What Heidelberger Energiegenossenschaft does

Heidelberger Energiegenossenschaft (HEG) is a registered German energy cooperative (Energiegenossenschaft) founded in 2010 and headquartered in Heidelberg, Baden-Württemberg. The cooperative enables individual citizens, homeowners, renters, municipalities, and commercial entities to participate directly in the regional Energiewende (energy transition) by purchasing €100 membership shares, investing in local renewable energy infrastructure, and consuming 100% renewable electricity and biogas. As of the latest disclosures, HEG has more than 1,600 members who have collectively invested over €10 million in citizen capital (Bürgerkapital) and has brought more than 53 solar installations into operation, with additional wind power projects pursued via the Bürgerwindpark Lammerskopf initiative in partnership with Windkraft Heidelberg.

HEG's product portfolio spans four functional pillars. First, renewable energy supply: 100% eco-electricity (BürgerÖkostrom from solar, wind, and water) and eco-gas (Ökogas) sourced and supplied through the strategic partnership with Bürgerwerke, Germany's largest citizen-energy network. Second, solar infrastructure services: residential and commercial PV installations (Evo-Solaranlagen), standalone balcony modules (Balkonmodule) for renters, and a Mieterstrom-Konzept (tenant electricity model) for multi-family buildings, with member discounts on installation. Third, e-mobility infrastructure: EV charging stations (E-Ladesäulen) available to members. Fourth, ecosystem development: the e+KUBATOR energy-startup incubator and community wind projects (Windkraftprojekte). The technology backbone is conventional renewable energy infrastructure (solar PV, wind) plus digital self-serve channels via a WordPress-based website (heg.solar) and a member portal hosted on the Bürgerwerke platform.

The business model combines three revenue mechanics: (i) one-time cooperative share capital at €100 per share, which funds renewable projects; (ii) recurring margins on eco-electricity and eco-gas supply resold to members through Bürgerwerke; and (iii) project-based revenue from solar installation services for residential, commercial, and municipal customers, with member discounts. Go-to-market is community-led rather than sales-driven: HEG grows via member referrals, a Botschafter:in (ambassador) program, community events, and grassroots citizen engagement. There is no parent company, no subsidiaries, and no traditional venture funding; ownership is distributed among 1,600+ member-shareholders under cooperative governance, with a lean operating team of 7 employees.

Name

Heidelberger Energiegenossenschaft

Legal name

Heidelberger Energiegenossenschaft

Website

https://heidelberger-energiegenossenschaft.de

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Short description

Heidelberger Energiegenossenschaft is a citizen-owned German energy cooperative founded in 2010 in Heidelberg, enabling 1,600+ members to invest in and consume local renewable energy via €100 membership shares, 53+ solar installations, eco-electricity supply through the Bürgerwerke network, and community wind and e-mobility projects.

Ownership category

akta.pro rank

Product category

Citizen Energy Cooperative Services

NAICS

Electric Power Generation, Transmission and Distribution (2211), Solar Electric Power Generation (221114), Utilities (22)

SIC

Electric Services (4911), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Electric Cooperatives (Rural/Member-Owned Utilities) (EUADABAC)

akta.pro secondary industries

Community Choice Aggregation (CCA) / Municipal Aggregation Retail Supply (EUAGABAF), Aggregation Services (Load Aggregation, Community Choice, Buyer Pools) (EUAGAEAC), Interconnection, Permitting & Grid Services for DERs (EUAMAJAH), Electrical Balance-of-Plant EPC (MV Collection, Cabling, Earthing, Lighting) (EUAEADAB)

Keywords

• Citizen energy cooperative
• Renewable electricity supply
• Residential solar installation
• Community wind power
• Cooperative membership shares

Headquarters

HQ city

Heidelberg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Membership shares and cooperative capital: Citizens purchase membership shares (100€ per share) to become full members of the cooperative. This capital funds local renewable energy projects and provides members with investment access to regional energy transition projects.
2. Eco-electricity and gas supply: HEG supplies 100% renewable electricity (from solar, wind, and water) and biogas to members and customers. Electricity is sourced through the Bürgerwerke network and supports regional expansion of renewable energy.
3. Solar installation services: HEG offers PV (photovoltaic) installation services for homes, commercial properties, and municipalities. Members receive discounts on solar installations. Services include standalone PV, combined systems with storage and wallbox, and balcony modules.
4. Citizen capital investment: Over 10 million euros of citizen capital has been invested through the cooperative into local renewable energy projects, creating a community-owned energy infrastructure.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Heidelberger Energiegenossenschaft is a citizen-owned energy cooperative that supplies 100% renewable electricity and biogas (via the Bürgerwerke network), delivers residential and commercial solar PV installation services (including balcony modules and tenant electricity), develops community wind power projects, and provides EV charging infrastructure. The cooperative finances these activities through €100 membership shares purchased by citizens, who in return receive investment access to regional energy projects, discounted electricity tariffs, and member discounts on installation services.

Product overview

Heidelberger Energiegenossenschaft (HEG) operates as a citizen-owned energy cooperative offering a portfolio of renewable energy products and services. The core offering centers on cooperative membership (starting at 100 EUR shares) providing investment access to local energy projects, discounted electricity tariffs, and member benefits. The product portfolio spans: BürgerÖkostrom and Ökogas (renewable energy supply through the Bürgerwerke network); residential and commercial solar solutions including PV installations, balcony modules, tenant electricity models, and solar consultations; EV charging infrastructure; and community wind projects including the Bürgerwindpark. The e+KUBATOR incubator supports energy startups. These offerings collectively enable citizens to participate in the energy transition through direct investment, energy consumption, and installation services.

Differentiator

Problem solved

Functional benefit

Products and services

• Mitgliedschaft (Genossenschaftsanteile)
• BürgerÖkostrom (Eco-Electricity Supply)

Quantifiable outcome

• 53+ solar installations in operation
• +2 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

Partnerships

Three partnerships are on record, tiered core and minor.

• BürgerwerkecoreStrategic or Co-development Partner · 1 January 2010HEG is part of the Bürgerwerke network, Germany's largest citizen energy community. Through this partnership, HEG supplies 100% eco-electricity (Ökostrom) and biogas to its members. The Bürgerwerke provide the supply infrastructure and support, while HEG contributes local project development and member engagement. The partnership is described as 'mehrfach ausgezeichnet' (multi-award winning).
• Windkraft HeidelbergcoreStrategic or Co-development PartnerHEG supports the citizen wind park project (Bürgerwindpark) in Lammerskopf near Heidelberg. This is a joint initiative for a citizen referendum (Bürgerentscheid) to enable local wind energy development. HEG members can directly support and invest in this wind energy project.
• Bürgerenergie-BewegungminorOthersHEG is part of the broader German citizen energy movement (Bürgerenergie-Bewegung), a collective of energy cooperatives working to advance the energy transition at the grassroots level across Germany.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Lichtblick SE: Independent German renewable electricity and gas supplier offering 100% green tariffs plus decentralized energy services (home energy management, EV charging); comparable to HEG in retail renewable supply and the move toward integrated home energy offerings.
• Naturstrom AG: Independent German renewable energy supplier that develops and operates its own wind and solar assets and supplies Ökostrom/Ökogas to households and businesses; comparable to HEG in renewable supply and project development, though structured as an AG rather than a cooperative.
• EWS Schönau: One of Germany's most prominent citizen-owned energy cooperatives, EWS Schönau supplies 100% renewable electricity, develops wind and solar projects, and operates on the same Energiegenossenschaft model — making it the closest direct comparable to HEG in structure, scale, and product mix.
• Greenpeace Energy: German renewable energy cooperative (eingetragene Genossenschaft) supplying green electricity and gas with a strong citizen-mission identity; historically a direct peer to HEG in member-driven renewable supply.
• Bürgerwerke: Germany's largest citizen energy community and HEG's core supply partner; Bürgerwerke aggregates energy cooperatives nationwide to procure and supply 100% renewable electricity and gas — directly comparable business activity (citizen renewable supply) at materially larger scale.
• Mainzer Energiegenossenschaft: Regional Energiegenossenschaft in Mainz with an essentially identical operating model — citizen shares, regional solar and wind project development, member electricity supply — making it a direct structural and operational peer to HEG.

Emerging players

• Enpal GmbH: Germany's leading tech-enabled residential solar installer offering leased PV, battery, and wallbox packages; competes directly with HEG's residential and commercial PV installation business but at much larger scale with institutional funding.
• 1Komma5° (1point5): Fast-scaling German solar installer and integrated home energy provider developing 'heartbeat' OS for distributed energy; a direct competitive threat to HEG's installation business with significant institutional backing.

Regional players

• Stadtwerke Heidelberg: Municipal utility serving Heidelberg with electricity, gas, heat, and water; the dominant local incumbent whose customer base and grid access overlap directly with HEG's territory and customer segments.

Broad incumbents

• EnBW Energie Baden-Württemberg: Largest regional energy incumbent in Baden-Württemberg with extensive renewable generation, retail supply, and grid operations; competes with HEG on residential and commercial renewable supply within the same geography.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCt0SBn35uAWFlXVngHMLERw
• Facebookfacebook.com/HeidelbergerEnergiegenossenschaft
• Instagraminstagram.com/heg_energiegenossenschaft
• LinkedInlinkedin.com/company/heidelberger-energiegenossenschaft

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 Heidelberger Energiegenossenschaft