Energy Lake Zurich Linth

What Energy Lake Zurich Linth does

Energie Zürichsee Linth AG (EZL) is a regulated regional energy provider headquartered in Rapperswil-Jona, Switzerland, supplying gas, biogas, and district heating across 18 municipalities in the cantons of St. Gallen, Schwyz, Glarus, and Zürich (Hinwil). The company operates approximately 350 km of gas distribution and service pipelines, supplemented by an 88 km high-pressure transport network held through its 72.46%-owned subsidiary Erdgas Obersee-Linth Transport AG, and district heating networks of 12.5 km in Jona and 10 km in Hinwil. Its core technical assets include wastewater and waste-to-energy district heating, a biogas upgrading plant at ARA Obersee in Schmerikon that contributes a 30% biogas share in the gas grid, and a 49% stake in the green2energy dry fermentation JV with Axpo Biomasse AG. EZL also participates in Switzerland's largest Power-to-Gas facility at Limeco.

The company generates revenue through three primary streams: usage-based sales of natural gas with a standard 30% biogas content (upgradeable to 100%), usage-based district heating sales that doubled to 26 GWh in FY2025, and professional services covering pipeline construction, plant construction, and energy contracting for large consumers. FY2025 operating revenue was CHF 73.6 million with EBITDA of CHF 10.4 million (up 31.1% YoY), supported by 30 employees across office, field, and construction functions. Customer segments include residential heating customers, industrial and commercial consumers (largest: Kalkfabrik Netstal AG since 2013), municipalities and utilities, and CNG mobility users served through 8 filling stations. Ownership is anchored by Stadt Rapperswil-Jona (36.74%) and UBS AST 4 Energie-Infrastruktur Schweiz (33.75%), with the remaining 29.51% held by approximately 400 public shareholders; shares trade OTC on Berner Kantonalbank and Bank Lienhardt & Partner platforms.

Name

Energy Lake Zurich Linth

Legal name

Energie Zürichsee Linth AG

Website

https://ezl.ch

Company type

Public

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

Energie Zürichsee Linth AG is a regulated Swiss regional energy provider supplying gas, biogas, and district heating to 18 municipalities across four cantons, operating ~350 km of pipelines and generating CHF 73.6 million in FY2025 revenue with 30 employees.

Ownership category

akta.pro rank

Product category

Regional Energy Distribution

NAICS

Natural Gas Distribution (2212), Pipeline Transportation of Natural Gas (48621)

SIC

Natural Gas Distribution (4924), Natural Gas Transmission (4922)

akta.pro primary industry

Gas Supply, Aggregation & Contracting (Producers, Marketers, Tolling, GSA) (EUALALAD)

akta.pro secondary industries

Gas Mains (Distribution Pipelines) (EUAJABAA), Industrial Fuel Switching & Conversion Services (Oil/Coal-to-Gas, Burner/Boiler Retrofits) (EUALALAJ)

Keywords

• Gas distribution
• Biogas supply
• District heating
• Energy consulting
• Pipeline construction

Headquarters

HQ city

Rapperswil

HQ country

Switzerland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Gas and Biogas Sales: Sale of natural gas with 30% standard biogas content, upgradeable to 100% biogas. Supplies residential, commercial, and industrial customers across 18 municipalities
2. District Heating (Fernwärme): Sale of renewable heating energy from wastewater and waste heat recovery. Strong growth area with sales doubling from 11 to 26 GWh
3. Energy Services and Contracting: Construction, operation and maintenance of gas and water pipelines; plant construction and energy contracting solutions for large consumers

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Regional Swiss energy utility supplying natural gas (with 30% standard biogas content upgradable to 100%), biogas, and district heating across 18 municipalities. The company also delivers CNG mobility at 8 filling stations, energy consulting, and turnkey construction, operation, and maintenance services for energy infrastructure.

Product overview

EZL operates as an integrated regional energy company offering a portfolio of energy products and services centered on gas, biogas, and district heating. The core product suite consists of Fernwärme (district heating networks in Jona and Hinwil), Gas und Biogas (with standard 30% to 100% renewable biogas), and CNG Mobilität (compressed natural gas for vehicles). These are complemented by service offerings including Energieberatung (energy consulting), Anlagenbau und Contracting (plant construction and energy contracting), and a Kundenportal (customer portal) for account management. EZL also operates innovation projects including green2energy (biogas from organic waste), Limeco Power-to-Gas, and Biogas Production Schmerikon. Two wholly-owned subsidiaries—Lampert + Walker AG and MZ Sanitär + Heizung AG—provide heating and sanitary installation services.

Differentiator

Problem solved

Functional benefit

Products and services

• Fernwärme (District Heating)
• Erdgas und Biogas (Natural Gas and Biogas)
• CNG Mobilität (Compressed Natural Gas Mobility)
• Energieberatung (Energy Consulting)
• Bau, Betrieb und Unterhalt (Construction, Operations and Maintenance)
• Anlagenbau und Contracting (Plant Construction and Energy Contracting)

Quantifiable outcome

• CO2 reduction of ~2,500 tonnes annually from Schmerikon biogas production
• +3 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

16 partnerships are on record, tiered core and minor.

• SwisspowercoreStrategic or Co-development Partner · 1 January 2016Alliance of 21 Swiss city utilities and regional supply companies. Swisspower acts as advisor and co-initiator for Power-to-Gas project. EZL participates as one of 8 cooperation partners.
• LimecocoreStrategic or Co-development Partner · 1 January 2016Limeco is owner and operator of Switzerland's largest Power-to-Gas facility in Dietikon. EZL is one of 8 cooperation partners contributing to the project for renewable gas development.
• Eniwa AGminorStrategic or Co-development PartnerCooperation partner in Power-to-Gas project alongside EZL
• St. Galler StadtwerkeminorStrategic or Co-development PartnerCooperation partner in Power-to-Gas project alongside EZL
• Energie Wasser BernminorStrategic or Co-development PartnerCooperation partner in Power-to-Gas project alongside EZL
• KEZO (Kehrichtheizkraftwerk Hinwil)coreStrategic or Co-development PartnerCollaboration for district heating network expansion in Hinwil. EZL took over the district heating network in 2024. Connection capacity to be expanded by 2,000 kW per signed contracts.
• Axpo Biomasse AGcoreStrategic or Co-development PartnerCo-investor with EZL in green2energy project, a center for sustainable resource management in Engelhölzli. Joint investment in dry fermentation plant for biogas production.
• Lampert + Walker AGcoreOthers100% owned subsidiary specializing in efficient and innovative heating and cooling solutions. Plans, implements, and operates heating systems of all sizes, from gas and solar to heat pumps and ground-source systems.
• MZ Sanitär + Heizung AGcoreOthers100% owned subsidiary offering comprehensive heating and sanitary services. Jointly with Lampert + Walker achieved CHF 12 million in sales.
• Erdgas Obersee-Linth Transport AGcoreOthersOwns and maintains the 88 km transport network. EZL holds 72.46% stake.
• green2energycoreStrategic or Co-development PartnerJoint venture (49% owned by EZL) developing sustainable resource management center in Jona. Processes 30,000 tonnes of bio-waste annually producing 15 GWh biogas.
• OBT AGminorOthersAudit firm responsible for auditing EZL financial statements and consolidated accounts
• admotionminorImplementation/ SI/ Consulting PartnerCreative agency responsible for website design and programming. Located in Lachen, Switzerland.
• bildtextformminorImplementation/ SI/ Consulting PartnerCopywriting services by Bernadette Zerbauer, responsible for text creation across company communications
• Meta Platforms (Instagram, Facebook)minorGTM or Marketing PartnerSocial media platforms used for brand presence and customer engagement
• LinkedIn Corporation / LinkedIn IrelandminorGTM or Marketing PartnerProfessional networking platform for employer branding and corporate communications

Scale indicators14 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• Energie 360°: Swiss regional energy provider offering natural gas, biogas, and renewable energy solutions. Direct comparable with similar focus on customer energy transition and CO2-neutral offerings.
• Eniwa AG: Aargau-based regional energy utility offering gas, water, electricity, and district heating services. Similar mid-sized Swiss utility with comparable customer base and energy transition positioning.
• St. Galler Stadtwerke: Regional multi-utility serving the city of St. Gallen and surrounding municipalities in the same canton. Operates similar portfolio of gas, water, and district heating services with comparable municipal ownership structure.

Regional players

• Limeco: Owner and operator of Switzerland's largest Power-to-Gas facility in Dietikon. EZL is a cooperation partner; comparable in renewable gas innovation though focused on waste-to-energy services.

Broad incumbents

• ewz (Elektrizitätswerk der Stadt Zürich): Zürich's municipal utility with extensive gas and electricity distribution. Operates in adjacent Canton of Zürich where EZL's Hinwil district heating is expanding; larger scale but comparable municipal utility model.
• Axpo Holding AG: Switzerland's largest energy producer and partner in EZL's green2energy JV via Axpo Biomasse AG. Broader scope including generation, trading, and distribution across multiple cantons.
• Romande Energie: Major Swiss utility serving western Switzerland with electricity, gas, and energy services. Comparable business model with more diversified geographic footprint.
• Energie Wasser Bern (EWB): Multi-utility in Bern offering gas, water, electricity, and district heating. Larger scale but similar integrated business model and Swiss regional utility positioning.
• IWB Basel: Basel-based multi-utility providing electricity, gas, water, and district heating. Larger scale Swiss municipal utility with similar integrated energy portfolio.

Others

• Swisspower: Strategic alliance of 21 Swiss city utilities and regional energy companies. EZL participates via partnerships including Power-to-Gas project; serves as industry cooperative and strategic advisor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/ezl.ch
• LinkedInlinkedin.com/company/energie-z%C3%BCrichsee-linth
• Instagraminstagram.com/energiezuerichseelinthag

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries4 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 Energy Lake Zurich Linth