E1 Pfund - Wärme und Energie GmbH

What E1 Pfund - Wärme und Energie GmbH does

E1 Wärme und Energie GmbH (branded "E1") is a renewable energy systems integrator headquartered in Graz, Austria, and a wholly-owned subsidiary of Energie Steiermark, one of Austria's largest energy suppliers. Founded in 1975, the company installs photovoltaic (PV) systems, battery storage, heat pumps, EV charging stations, and air conditioning for residential, commercial, agricultural, and municipal customers across the Styria region. Disclosed annual installation volumes exceed 600 PV systems, 350 battery storage units, and 200 heat pumps.

The core technology stack centers on a modular ecosystem: PV generation paired with battery storage and an "intelligent" self-consumption regulator that integrates generation, storage, heat pump, EV charging, and hot water into a single management platform capable of up to 95% self-consumption. Hardware is sourced from OEMs including Fronius (inverters) and Daikin (climate), while E1 owns the customer-facing digital tools — an online PV-Planer configurator and Heizungsrechner heat pump calculator — that generate inbound leads and indicative quotes before sales engagement. The company also offers a 24h/365 emergency repair service and manages the full Austrian federal/state subsidy application process on behalf of customers.

E1's go-to-market is sales-led and direct: dedicated B2C and B2B sales teams, free phone and on-site consultations, supplemented by online self-service planning, a €250 dual-side referral program (min €9,000 contract), trade-fair presence (Hauslbauermesse Graz), and cross-sell via the Energie Steiermark customer base. Pricing is unit-based per installed system (PV packages from €15,990, heat pump boiler-replacement packages from €17,493, AC packages from €2,990) with ongoing revenue from maintenance, emergency service, and electrical certification work. The revenue model is overwhelmingly one-time hardware/installation sale with a small recurring service tail.

Name

E1 Pfund - Wärme und Energie GmbH

Legal name

E1 Wärme und Energie GmbH

Website

https://e-eins.at

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

1–10 employees

Short description

E1 Wärme und Energie GmbH is a Graz-based, Energie Steiermark-owned renewable energy integrator installing photovoltaic, battery storage, heat pump, and EV charging systems for residential, commercial, agricultural, and municipal customers across Styria, Austria.

Ownership category

akta.pro rank

Product category

Renewable Energy Systems Installation

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Residential HVAC System Installation (Furnace/AC/Heat Pump) (HSAOAGAA)

akta.pro secondary industry

Chillers & Cooling Plant Equipment (IMAHAKAE)

Keywords

• Photovoltaic solar systems
• Battery storage solutions
• Heat pump heating
• EV charging infrastructure
• Renewable energy installation

Headquarters

HQ city

Graz

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Photovoltaic (PV) Systems Sales and Installation: E1 sells and installs complete photovoltaic systems including solar panels, mounting hardware, and inverters to both residential and business customers. Pricing starts at approximately €15,990 for a complete PV package. Additional revenue is generated through PV planning and installation services. The company is a pioneer in PV in the Styria region with over 600 PV systems installed annually.
2. Battery Storage Systems: Sale and installation of battery storage systems (Stromspeicher/Batteriespeichersysteme) that store excess solar energy for later use, enabling 24-hour utilization of self-generated solar power. The company installs over 350 battery storage systems annually. Storage can be purchased standalone or bundled with PV systems. Federal subsidy of €150/kWh available for storage purchases.
3. Heat Pump (Wärmepumpe) Heating and Cooling Systems: Sale and installation of heat pump systems for residential heating, cooling, and hot water production. The company installs over 200 heat pumps annually. Heat pump offerings include air/water heat pumps for whole-house heating and cooling, and hot water heat pumps. Packages start from €17,493 (Heizungstausch-Aktion) including installation. Additional revenue comes from boiler replacement services (Heizungstausch), replacing oil and gas boilers with heat pumps.
4. EV Charging Infrastructure: Sale and installation of E-Ladestation (EV charging stations) for residential and commercial customers, with charging capacities up to 22 kW (up to six times faster than a standard socket). For business customers, this includes fleet electrification solutions, charge management, and billing services. Revenue is generated through hardware sales, installation, and ongoing maintenance.
5. Installation, Maintenance, and Servicing: Comprehensive installation and commissioning services for all product categories. Post-installation, the company provides ongoing maintenance services, remote monitoring, fault diagnostics and repair, and periodic inspections. The 24h/365-day emergency heating and heat pump repair service (24h24h-Heizungs-Entstördienst) provides a recurring service revenue stream. The company also offers electrical attestations (E-Atteste) and electrical installation services.
6. Additional Electrical Services: Additional services including electrical attestations (E-Atteste), access control and locking systems (Schließ- und Zutrittssysteme), network cabling and infrastructure (Netzwerktechnik). These services are offered as add-on solutions to existing and new customers.
7. Smart Climate Control / Air Conditioning: Sale and installation of air conditioning systems (Klimaanlagen) that provide both cooling and efficient heating, suitable as a transition heating solution. The Prima Klima! package starts from €2,990. These systems can be combined with PV installations for near energy-independent operation.
8. Subsidy/Grant Management Services: E1 handles the complete subsidy application process (Fördereinreichung) for customers, managing federal, state (Landes-), and municipal grant applications for PV systems, heat pumps, and battery storage. The company is knowledgeable about the Austrian EAG subsidy program and the federal 'Raus aus Öl und Gas' (Phase-out oil and gas) program. This service is included as part of the full-service package, helping customers maximize available government incentives.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

E1 Wärme und Energie GmbH sells and installs complete renewable energy systems, primarily photovoltaic (PV) solar panels, battery storage, heat pump heating and cooling systems, and EV charging stations for residential and business customers in the Styria region of Austria. The company provides an end-to-end service covering consultation, planning, installation, commissioning, maintenance, and ongoing service, including administration of Austrian federal and state subsidy applications.

Product overview

E1 Wärme und Energie GmbH offers a modular ecosystem of renewable energy solutions centered on solar power generation and storage, heating/cooling technology, and electric mobility. The core portfolio includes Photovoltaic (PV) systems with integrated Stromspeicher (battery storage) for 24-hour solar consumption, Wärmepumpen (heat pumps) for heating and cooling, and E-Ladestationen (EV charging stations) for both residential and commercial customers. Supporting products include intelligent Eigenverbrauchsregelung (self-consumption optimization) that increases self-consumption to 95%, Klimaanlagen (air conditioning) and Warmwasserwärmepumpen (hot water heat pumps), plus Lademanagement & Mobilitätskarte for access to Europe's largest charging network. Additional services encompass Elektroatteste (electrical certifications), Schließ- und Zutrittssysteme (access control), and Netzwerktechnik (network infrastructure). Digital tools including PV-Planer and Heizungsrechner support customer planning. The company provides complete solutions from consultation through installation and maintenance, serving both private and business customers in Styria, Austria. As a subsidiary of Energie Steiermark, the company leverages the infrastructure and resources of one of Austria's leading energy providers.

Differentiator

Problem solved

Functional benefit

Products and services

• Photovoltaik (PV-Anlagen) Solar energy systems that convert sunlight into electrical energy for residential and commercial use, including rooftop and ground-mounted installations. E1 sells and installs complete PV systems with panels, mounting hardware, and inverters (e.g., Fronius), with package pricing starting from €15,990 and 600+ PV systems installed annually.
• Stromspeicher (Battery Storage Systems) Battery storage systems that store excess solar energy for later use, enabling 24-hour solar power consumption and increased energy independence. E1 installs over 350 battery storage systems annually, available standalone or bundled with PV systems. Austrian federal EAG subsidy of €150/kWh is available for storage purchases.
• Wärmepumpenheizungen (Heat Pump Heating Systems) Heat pump systems for efficient heating and cooling of buildings, using ambient air or ground heat, providing year-round comfort. Can be combined with PV systems for optimal energy efficiency. Federal Bundesförderung covers 30% (max €7,500) for heat pump boiler replacement.
• Klimaanlagen (Air Conditioning Systems) Air conditioning systems that provide both cooling and can serve as transitional heating solutions. Can be powered by solar energy for near energy-independent operation. E1 sells and installs these systems, including the Prima Klima! package starting from €2,990.
• Warmwasserwärmepumpen (Hot Water Heat Pumps) Heat pump systems specifically designed for hot water production, using ambient air as heat source with integrated energy management for PV surplus utilization.
• E-Ladestationen for Residential Customers (EV Charging Stations) Electric vehicle charging stations for residential use, with charging capacities up to 22 kW (up to six times faster than a standard socket). Includes load management and PV surplus charging capabilities for sustainable and cost-efficient mobility.
• E-Ladestationen for Commercial Customers (Business EV Charging) Commercial EV charging infrastructure with charging management, billing, and fleet management solutions for businesses electrifying their vehicle fleets. Includes hardware, installation, charge management, and billing services for fleet operators.
• Lademanagement & Mobilitätskarte (Charge Management & Mobility Card) Charge management system and mobility card providing access to Europe's largest charging network (BEÖ), with flexible tariffs and a 24-hour hotline. Operates as part of the cross-brand E1 / Energie Steiermark e-mobility offering.
• Elektroatteste (Electrical Certifications) Electrical certification and safety inspection services ensuring compliance with legal requirements for households, commercial businesses, industry, and municipalities. Performed by certified electricians as part of E1's additional solutions portfolio.
• Schließ- und Zutrittssysteme (Access Control Systems) Modern locking and access control systems using smartphone, code, or fingerprint technology, supplied and installed by E1 for residential, municipal, and commercial customers.
• Netzwerktechnik (Network Infrastructure) Network cabling and infrastructure services for modern data transmission, providing customized solutions for residential and commercial customers.
• Installation, Maintenance, and Servicing Comprehensive installation, commissioning, and ongoing maintenance services for all E1 product categories, including remote monitoring, fault diagnostics and repair, periodic inspections, and the 24h/365-day emergency heating and heat pump repair service (24h24h-Heizungs-Entstördienst).

Quantifiable outcome

• Over 600 photovoltaic systems installed annually — making E1 the leading PV provider in Styria
• +5 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Energie Steiermarkflagship / coreStrategic or Co-development PartnerEnergie Steiermark is the parent company (Unternehmen der ENERGIE STEIERMARK / stolzes Tochterunternehmen der Energie Steiermark) of E1 Wärme und Energie GmbH. As the parent company, Energie Steiermark provides strategic backing, brand credibility, financial stability, and access to its customer base for cross-selling opportunities. E1 operates under the Energie Steiermark umbrella, leveraging the parent's resources, infrastructure, and market position as one of Austria's leading energy suppliers. The partnership enables E1 to offer unparalleled stability and reliability (unübertroffene Stabilität und Verlässlichkeit) to its customers.

Scale indicators10 records

Recent moves7 records

Expansion highlights6 records

Others

• Viessmann: Major European heat pump and heating technology manufacturer whose products are installed by E1 and similar contractors. Comparable as a key technology supplier shaping E1's heat pump offering rather than a direct competitor in the Austrian installation market.
• Fronius: Austrian manufacturer of solar inverters and PV system components, including the Fronius inverter bundled into E1's PV packages. Comparable as an adjacent Austrian energy technology player and ecosystem enabler rather than a competing installer.

Broad incumbents

• EVN: Large Austrian energy group with a diversified portfolio including renewable generation, energy services, and heat pump/PV offerings. Comparable in offering renewable solutions to end customers but with a much broader geographic and operational footprint than E1.
• Verbund: Austria's largest electricity provider with growing investments in PV, heat pumps, and customer-side energy solutions. Relevant comparable as a major utility pushing into distributed residential renewable offerings, though weighted toward generation rather than installation services.

Emerging players

• 1Komma5°: Fast-growing European renewable installer providing PV, storage, heat pumps, EV charging, and an energy management platform ('Heartbeat') to residential customers. Direct peer in the integrated home electrification and energy management software layer, though at much larger scale than E1.
• Zolar: German digital-first solar installer with an online planning tool, marketplace model, and integrated storage/EV offerings. Comparable in the digital lead-generation and self-service configurator approach, though currently focused on the German market.

Direct peers

• Wien Energie: Vienna's municipal energy utility offering residential and commercial PV, heat pump, EV charging, and storage solutions directly to end customers. Operates as a comparable vertically integrated utility-owned renewable installer channel in a different Austrian region, competing for similar B2C and B2B project pipelines.
• Enpal: German full-service solar installer offering integrated PV, battery, heat pump, EV charger, and green electricity contracts to homeowners. Highly comparable business model combining modular renewable hardware with subscription-style financing and a single integrated installer relationship.
• KELAG: Carinthian energy supplier offering photovoltaic systems, heat pumps, battery storage, and EV charging infrastructure to residential and business customers. Direct regional peer with overlapping product portfolio and similar utility-owned installer structure.
• Salzburg AG: Regional Austrian energy provider delivering PV, heat pump, and e-mobility solutions to households and businesses in Salzburg. Closely comparable business model combining utility-grade customer base with in-house renewable installation services.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/e1-pfund---w%C3%A4rme-und-energie-gmbh

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 E1 Pfund - Wärme und Energie GmbH