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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,805 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersZofingenStWZ Strom AG
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StWZ Strom AG

Summary

About the company

StWZ Strom AG supplies electricity and related energy services, including retail electricity products, feed-in remuneration for solar power and Smart Meter solutions. The company also provides online customer services (billing, meter readings, customer portal) and advisory services on self-consumption and photovoltaic systems.

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Products & services

Industry:Energy Suppliers
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Electricity supply
Electricity supply in Zofingen and Strengelbach, including line construction and service connections, maintenance and upkeep of the electricity grid and installations, public lighting and a 24/7 on-call standby service.
Electricity products
Electricity products ECO, VARIA and REGIOSTROM; standard product ECO with 100 percent renewable electricity, VARIA with an annually changing mix, REGIOSTROM as regional renewable electricity.
Electricity generation and self-consumption
Generate electricity and use it yourself, with planning, consumption metering and billing; solar systems, charging stations, heat pumps and funding contributions for self-consumption.
Feed-in compensation for solar power
Compensation for solar power fed into the electricity grid based on the BFE’s quarterly reference market prices or the minimum compensation, depending on system size and self-consumption.
Smart meters
Installation of smart meters by 2027, including measurement and transmission of consumption and feed-in data, electronic meter reading and visibility in the customer portal.
Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.226
★TrustpilotSoon
PProvenExpertSoon

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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-109.367.269
Founded
2001 · 25 years
Last commercial register change
April 22, 2025
Employees
21 to 50

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