STG Energy (STG Swiss Technik Group)
Westschweiz
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STG Energy carries out projects in-house without using subcontractors, which is an advantage for quality and communication. The team supports customers from sizing the system based on actual consumption through to ongoing monitoring of the installation.
Alongside standard installation work, STG Energy also offers battery storage and helps with applying for cantonal subsidies. The website is in French, and customer service is available in both national languages.