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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersBuchs AgEniwa Kraftwerk AG
Eniwa Kraftwerk AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Eniwa Kraftwerk AG is an energy service provider supplying electricity, gas, heat, cold and drinking water and operating distribution networks. The company plans, builds and operates power and gas networks, local heat and cold systems and solar installations, operates a datacenter, and provides building-technology services, e-mobility charging and digital services such as FTTH and cloud offerings.

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Products & services

Industry:Energy Suppliers
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Eniwa Kraftwerk AG

Power plant operation and electricity production
Operation of power plants and production of Naturstrom from renewable energy, with responsibility for efficient electricity grids in the Aarau region.
Grid operation and grid services
Planning, design, implementation, operation and maintenance of power facilities, as well as support for existing energy supply plants and new construction projects.
Electricity supply
Electricity supply for residential customers, SMEs and market customers, with Naturstrom and renewable energy in the Aarau region.
Gas supply
Delivery of natural gas and biogas for heating and hot-water preparation, with grid supply for residential customers, SMEs and market customers in the Aarau area.
Heating and cooling supply
Planning, construction and operation of local, ecological district heating and cooling networks for environmentally friendly heating and cooling of properties.
Water supply
Supply of drinking water, operation of household service connections, and provision of public fountains and hydrants.
Solar systems
Planning, construction and maintenance of solar systems for single-family homes and large commercial buildings of different sizes and roof types.
Electrical installations
Electrical work, telecommunications solutions and smart-home projects, from simple installations to complex systems.
E-mobility
Charging solutions for electric cars and accompanying services for switching to environmentally friendly mobility.
Building automation
Automation solutions for buildings to control and interconnect technical systems.
Areal energy solutions
Tailored energy concepts for sites, residential developments and multi-family houses, from consulting and development through planning to implementation.
Energy consulting
Independent advice on energy efficiency at home or in a company, including optimization tips and support with energy-efficient appliances.
Trust & reputation

ranQ Trust Score of Eniwa Kraftwerk AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Eniwa Kraftwerk AG scores 47.2 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.63.624%
  • 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.17.610%
  • 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.35.08%
Eniwa Kraftwerk AG scores 92.3 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.82.07%
Eniwa Kraftwerk AG scores 85.0 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).85.022%
Eniwa Kraftwerk AG scores 100.0 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eniwa Kraftwerk AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle41
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriestrasse 25
5033 Buchs Ag
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.846.409
Founded
2000 · 26 years
Last commercial register change
November 18, 2025
Employees
21 to 50
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.
100.0
6%
  • 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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