JE

Jenni Energietechnik

Jenni Energietechnik AG

Oberburg, Switzerland

SolarBiomassEnergy StorageOtherPrivate company
Founded 197651-200 employees
Profile last updated: March 24, 2026

About

Founded in 1976, Jenni Energietechnik is a private company headquartered in Oberburg, Switzerland with approximately 51-200 employees specializing in Solar, Biomass, Energy Storage.

Jenni Energietechnik is a Swiss renewable energy company founded in 1976 by Josef Jenni. The company specializes in solar thermal systems, wood heating solutions, and thermal energy storage systems. They manufacture and install heating and energy storage solutions for residential, commercial, and district heating applications. The company produces Swiss Solartank thermal storage systems ranging from 300 to 320,000 liters, offers photovoltaic and solar thermal installations, wood heating systems using pellets, logs or wood chips, and intelligent energy management controls. Jenni also provides comprehensive service and maintenance contracts for heating systems. The company operates as both manufacturer and consultant, working with local installer partners to deliver customized energy solutions.

Headquarters

Oberburg, Switzerland

Founded

1976

Employees

51-200

Company type

Private company

Focus areas

solar thermalenergy storagewood heatingthermal storagerenewable energySwitzerlandheating systemssustainable energySwiss quality

Products & services

Business models

B2BB2CEPC

Value chain

ManufacturingDevelopmentEngineeringConstructionO&MConsultingAdvisory

Service areas (1)

  • Switzerland

    Jenni Energietechnik operates primarily in Switzerland, providing renewable energy solutions including solar thermal systems, wood heating, and energy storage systems to residential and commercial customers.

Locations

Headquarters

Lochbachstrasse 22, 3414, Oberburg, Switzerland

Service regions

Switzerland

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