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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersGrenchenSWG
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Verified· 4 sources

SWG

Summary

About the company

The company's core activity is the supply of energy, water and heat to the local population. The company produces and distributes electricity, heat and water and is also responsible for the networks and supply systems. It is also committed to a sustainable future and promotes the production of renewable energies in the region.

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Products & services

Industry:Energy Suppliers
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Electricity
Electricity supply for households, small businesses as well as commercial and industrial customers; basic supply tariff, market procurement, fixed price and structured procurement, own electricity production, solar tips, e-mobility.
Heat
Gas and heat solutions with EcoGas 15, biogas share, boiler replacement, Bern-canton biogas requirements, contracting, and combination with thermal solar systems.
Water
Drinking water supply from springs and groundwater, water quality, water analyses, UV disinfection, service area and tours of the water reservoir.
Production
Regional production of electricity, heat and biogas; solar power, wind energy, district heating networks and regional biogas upgrading.
Grid connections
Applications for grid connections for electricity, gas and water, preliminary clarifications, building permit and installation notifications, meter installation and commissioning completion reports.
Reviews

Aggregated rating

Aggregated rating
3.9
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle3.919
★TrustpilotSoon
PProvenExpertSoon

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Press

Media

July 1, 2026Media
15 Prozent Biogas für alle: SWG vereinheitlicht ihr Gasprodukt per 1. Juli
grenchnertagblatt.ch
May 28, 2026Media
SWG ist zufrieden mit Geschäftsjahr trotz weniger Umsatz
grenchnertagblatt.ch

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Location

Brühlstrasse 15
2540 Grenchen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Public sector institution
UID
CHE-108.954.748
Founded
1997 · 29 years
Last commercial register change
January 16, 2026
Employees
51 to 100

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