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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,110 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsUetendorfesfera Solar AG
esfera Solar AG Logo
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esfera Solar AG

Summary

About the company

esfera Solar AG is a company that designs, installs and services photovoltaic systems. Its offerings include consulting and planning, project coordination and subsidy support, installation and commissioning, maintenance, battery storage, monitoring, backup power and electric vehicle charging stations.

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Offering

Products & services

Industry:Solar & Photovoltaics
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12
Photovoltaic systems
Tailor-made photovoltaic solutions for private clients, owner associations, commercial businesses, agriculture and contracting partners; including roof-mounted, roof-integrated, facade, balcony and off-grid island systems.
Consulting & planning
Free initial consultation, non-binding preliminary estimate, roof survey with drone images, project dossier including cost and profitability calculation.
Installation & commissioning
Supply of solar modules, DC and AC installation, assembly by our own teams, configuration, test run, handover with system dossier and a monitoring app.
Coordination & funding
Project coordination from planning to implementation, assignment of a project manager, registration and submission of the Pronovo one-off payment, and support with further funding applications.
Maintenance & support
Regular inspections, string measurements, documentation, remote monitoring, software updates, as well as BASIC, STANDARD and PREMIUM maintenance packages.
Energy storage
Battery storage to use solar power in the evening, at night or during bad weather; modular and upgradeable, designed to optimise self-consumption.
Emergency power
Emergency power package with automatic switching in the event of a grid outage, load management and supply of selected consumers such as lighting, a refrigerator or an internet router.
Monitoring
Digital monitoring for real-time tracking of production, consumption and feed-in; including alarm functions, reporting, export and setup at handover.
EV charging station
Planning, delivery and installation of wallboxes for e-mobility; optionally smart integration with the PV system and energy storage for charging using solar power.
Roof-mounted systems
Photovoltaic systems on existing pitched and flat roofs; cost-effective, quick to install and suitable for residential buildings, commercial businesses and agriculture.
Roof-integrated systems
Photovoltaic systems integrated into the roof that replace the roof covering; suitable for new builds and roof renovations with a focus on function and design.
Facade systems
Vertical photovoltaic systems on facades for additional power generation; a sensible option when roof area is limited and for combining energy generation with design.
Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.818
★TrustpilotSoon
PProvenExpertSoon

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Location

Altelsweg 9
3661 Uetendorf
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-223.276.465
Founded
2024 · 2 years
Last commercial register change
April 15, 2024
Employees
11 to 20

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