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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersZurichElektrizitätswerke des Kantons Zürich (EKZ)
Elektrizitätswerke des Kantons Zürich (EKZ) Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Elektrizitätswerke des Kantons Zürich (EKZ) is an energy utility that procures and supplies electricity, operates and maintains the distribution network, and manages related grid infrastructure. EKZ provides services and products for solar PV, heating/contracting, e-mobility and energy consulting as well as customer service solutions.

AI-generated
Offering

Products & services

Industry:Energy Suppliers
✓ Offered7
Electricity supply
Electricity supply for households and businesses in the supply area, including information on electricity tariffs, consumption and billing.
Grid connection
Connection to the electricity grid for new buildings, renovations and facilities, including application and processing for private and commercial projects.
Construction power supply
Temporary electricity supply for construction sites, with ordering and connection for building projects.
Utility line information
Information on underground cable and network details for planning and construction projects, available on request for projects in the supply area.
Installation inspection
Inspection of electrical installations in line with grid and safety requirements, including the inspection and approval process.
Fault service
Reporting power faults and outages, and providing information on planned and unplanned supply interruptions.
Interim billing
Request for interim billing for electricity charges and billing periods.
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4.0/5

Elektrizitätswerke des Kantons Zürich (EKZ)

Trust & reputation

ranQ Trust Score of Elektrizitätswerke des Kantons Zürich (EKZ): 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

Elektrizitätswerke des Kantons Zürich (EKZ) scores 42.9 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.0.024%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Elektrizitätswerke des Kantons Zürich (EKZ) scores 96.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.100.07%
Elektrizitätswerke des Kantons Zürich (EKZ) scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
Elektrizitätswerke des Kantons Zürich (EKZ) scores 81.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.63.34%
Qualifications+0.00

Elektrizitätswerke des Kantons Zürich (EKZ) reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 2.4 out of 5 stars from 118 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
2.4
of 5

Aggregated from 118 reviews across all connected sources

Sources
GGoogle2.4118
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 27, 2026Media
Parlament setzt Amtszeitbegrenzung für EKZ-Verwaltungsrat durch
nzz.ch
April 13, 2026Media
Bauarbeiten für Netzausbau
zuerioberland24.ch
April 7, 2026Media
EKZ sind nach wie vor am Kauf von Energie 360° interessiert
swissinfo.ch
February 6, 2026Media
Beteiligungen treiben Gewinn von EKZ
punkt4.info
February 5, 2026Media
Geschäftsjahr 2024/2025: EKZ schütten mehr Geld an Kanton Zürich und Gemeinden aus
tagesanzeiger.ch
December 31, 2025Media
EKZ bieten neu dynamische Stromtarife an – viele andere noch nicht
srf.ch
December 1, 2025Media
Dirk Mulzer euer CEO der EKZ
zuerich24.ch

Knowledge

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Location

Dreikönigstrasse 18
8002 Zurich
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Public sector institution
UID
CHE-108.954.688
Founded
1908 · 118 years
Last commercial register change
October 6, 2026
Employees
More than 500
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.97.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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