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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesZofingenStWZ Energie AG
StWZ Energie AG Logo
Verified· 4 sources

StWZ Energie AG

Summary

About the company

StWZ Energie AG is an energy services provider offering electricity, gas, heat and water services along with associated products and tariffs. The company also provides building-technology services (electrical installations, heating, sanitary, solar systems, storage, charging solutions) and operates telecommunications services via Quickline.

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Offering

Products & services

Industry:Holding Companies
✓ Offered7
Electricity supply
Cable and line construction and building connections, maintenance of the electricity grid and installations, renewable electricity products and electricity procurement, public lighting, electrical installations, 24-hour standby service.
Natural gas and biogas supply
Natural gas and biogas for heating, hot water, cooking, industrial processes and mobility; with products such as ERDGAS, BIO 30 and BIO 100 as well as price calculators and installation checks.
Water supply
24/7 delivery of drinking water, terms and conditions, water quality, water source, installation checks and water saving.
Building services and installations
Electrical installations, building automation, lighting, heating installations, sanitary installations, solar systems, storage and charging solutions.
Energy efficiency and energy consulting
Energy efficiency for businesses as well as energy consulting for private customers to reduce consumption and energy costs.
Quickline subscriptions and fibre connection
Internet, TV, landline and mobile subscriptions from Quickline as well as fibre connection, installation and commissioning.
24h standby (on-call) service
24-hour emergency service for electricity as well as natural gas and water outside opening hours.
Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 31 reviews across all connected sources

Sources
GGoogle4.231
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

July 1, 2026Media
Trotz tieferem Umsatz: StWZ steigert den Gewinn deutlich
zofingertagblatt.ch
May 5, 2026Media
Das sagt der Verwaltungsratspräsident zur Fusion von StWZ und sbo
zofingertagblatt.ch
February 23, 2026Media
Rigi- und Vreneliweg stehen vor umfassender Sanierung
nau.ch
September 4, 2025Media
Schnelle Schritte für ein Glasfasernetz in Zofingen
aarauer-nachrichten.ch
August 16, 2025Media
Das halten die Einwohnerratsfraktionen von der geplanten Fusion der Energiewerke Olten und Zofingen
zofingertagblatt.ch
June 24, 2025Media
Einwohnerrat gibt grünes Licht: Die Gassen in der Altstadt können saniert werden
zofingertagblatt.ch
January 19, 2025Media
Solarstrom: So vergüten die EWs von Aarburg, Oftringen und Rothrist
zofingertagblatt.ch
December 8, 2023Media
Vorweihnachtlicher Lichterweg
aarauer-nachrichten.ch

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Location

Mühlegasse 7
4800 Zofingen
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.339.741
Founded
2001 · 25 years
Last commercial register change
April 22, 2025
Employees
11 to 20

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