Planning, installation and commissioning of photovoltaic systems, battery storage and charging infrastructure in German-speaking Switzerland
Voltari Energy GmbH
Widnau (CH)New on Amplifa
About Voltari Energy
Voltari Energy GmbH is a Swiss company based in Widnau in the St. Gallen Rhine Valley, specialising in photovoltaic systems, battery storage, e-charging stations and intelligent energy management. Its service portfolio includes free roof analysis with yield forecasts, profitability and return assessments, system planning, handling of permits and subsidy applications, as well as turnkey installation and commissioning by its own certified teams. In addition, the company offers retrofitting of battery storage in existing solar installations, wallboxes and charging infrastructure for companies including load management, as well as long-term maintenance and service. Customers include private individuals, commercial businesses, industry, agriculture, sports and leisure facilities as well as municipalities in Eastern Switzerland and throughout German-speaking Switzerland. Reference projects include, among others, installations for Zumtobel Industrial, Zumtobel and EZ Rheinauen. In cooperation with technology partner EQ Systems and a network of around 25 skilled professionals, the company implements energy concepts to Swiss standards; according to its own figures, over 500 projects with a total of 12 MW of installed capacity have been completed.
- Site
- Widnau
- Processes
- Consulting and planning of photovoltaic systems, Installation and commissioning of solar systems, Installation of power storage (battery storage) and energy management, Installation of e-mobility charging infrastructure (wallboxes/e-charging stations), Maintenance and service of energy systems, Photovoltaic systems (planning, installation, commissioning), Battery storage (new planning & retrofitting), E-charging stations & wallboxes
- Materials
- Photovoltaic modules, Inverters, Battery storage, Charging infrastructure
- Certificates
- Swissolar partner
- Founded
- 2026
- Employees
- 25 (skilled professi
- Industries
- Residential construction / Private customers, Commercial, Industry, Agriculture, Sports & Leisure, Municipalities
- 01
Free roof analysis & yield forecast
- 02
Consulting & profitability assessment
- 03
Planning & concept
- 04
Permits & subsidy applications
- 05
Installation & commissioning
- 06
Service & maintenance
Technologies & Components
Photovoltaic modules
Modules from leading manufacturers such as LONGi and Aiko for roof-mounted solar systems.
Inverters
Inverters from Fronius, Huawei and Deye as core components of the systems.
Battery storage
Storage systems from GoodWe and other manufacturers to increase self-consumption.
Charging infrastructure
Wallboxes and e-charging stations from partners such as A2 Systems and DAIEGE, coupled with solar optimisation.
Location
Widnau
CHHeadquarters
Services & Systems
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Consulting and planning of photovoltaic systemsEngineering | – | – | – | – | – |
| Installation and commissioning of solar systemsAssembly | – | – | – | – | – |
| Installation of power storage (battery storage) and energy managementAssembly | – | – | – | – | – |
| Installation of e-mobility charging infrastructure (wallboxes/e-charging stations)Assembly | – | – | – | – | – |
| Maintenance and service of energy systemsAssembly | – | – | – | – | – |
Additional services
Reference customers
Quality
Installation is carried out by certified professionals to Swiss standards, including commissioning, instruction and long-term warranty and service. Voltari Energy is a Swissolar partner.
| Evidence | Widnau |
|---|---|
| Swissolar partner |
History
- 2026
Founding of Voltari Energy GmbH headquartered in Widnau, Canton of St. Gallen (registered company, as of legal notice 2026).