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Kummler+Matter EVT
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Bouygues Energies & Services Olten

As the largest solar specialist in Switzerland, with branches in all language regions, we are also local to you.

Our services

Photovoltaics & Solar Thermal Energy

The future lies in renewable energy. Solar technology plays a key role in this. We design and build turnkey photovoltaic and solar thermal systems.

Where to find us


Geschäftseinheit Helion
Rötzmattweg 115
4600 Olten

General opening times

Mon – Fri: 7.15–12.00 & 13.00–17.00

To contact

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