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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsAubonneSociété Electrique des Forces de l'Aubonne SA (SEFA)
Société Electrique des Forces de l'Aubonne SA (SEFA) Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Société Electrique des Forces de l'Aubonne SA (SEFA) is an energy company that produces and distributes electricity and operates a regional distribution network. It also provides electrical installation services, photovoltaic and heat‑pump solutions, electric vehicle charging infrastructure, multimedia services (internet, telephony, fibre) and renewable‑energy projects.

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Offering

Products & services

Industry:Solar & Photovoltaics
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Société Electrique des Forces de l'Aubonne SA (SEFA)

✓ Offered9
Energy generation and distribution
Generation and distribution of electrical energy in the Aubonne region, with a hydropower dam on the Aubonne and a regional distribution network.
Electricity
Electricity with tariff offers, collective self-consumption, smart meters, local production and management of scarcity situations.
Solar panels
Solar panels for private individuals and businesses, with photovoltaic solutions, cost reduction, intelligent storage, subsidies and enhancement of property value.
Heat pumps
Heat pumps for private individuals, professionals and public authorities, with heating solutions using air, ground or water, installation and advice.
Electrical installations
Electrical installations for new builds and renovations, troubleshooting and small jobs, lighting and light fittings.
EV charging station
Charging stations for electric vehicles, with installation and infrastructure for private individuals and businesses.
Fibre optic
Fibre optic to the home, with ultra-high-speed Internet up to 10 Gbit/s.
Telephony, Internet and multimedia
Mobile and landline telephony, Internet and multimedia services to stay connected.
Shared mobility
Electric bikes in a self-service sharing system for residents and employees in the region.
Trust & reputation

ranQ Trust Score of Société Electrique des Forces de l'Aubonne SA (SEFA): 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 88% · As of October 2026

Société Electrique des Forces de l'Aubonne SA (SEFA) scores 71.6 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.52.024%
  • 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.95.08%
Société Electrique des Forces de l'Aubonne SA (SEFA) scores 90.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: No data point — the criterion is taken out of the weighting and does not lower the score.—12%
  • 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.90.07%
Société Electrique des Forces de l'Aubonne SA (SEFA) scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Société Electrique des Forces de l'Aubonne SA (SEFA) scores 86.7 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.73.34%
Qualifications+0.00

Société Electrique des Forces de l'Aubonne SA (SEFA) reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 65 customer reviews. The data basis is 88%, 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 65 reviews across all connected sources

Sources
GGoogle465
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 28, 2026Media
À Lavigny, la centrale hydroélectrique de 8000 foyers doit être remise à neuf
24heures.ch
April 23, 2026Media
Lavigny: 20 tonnes dans le ciel? Pour réviser sa centrale, la Sefa relève le défi
lacote.ch
March 24, 2026Media
Ce nouveau réseau de vélos qui veut désenclaver les villages autour d’Aubonne
24heures.ch
October 10, 2023Media
Aubonne: la SEFA abandonne ses activités de transport public
lacote.ch
June 27, 2022Media
La Côte: Un «Plan Marshall» pour assurer une énergie durable et locale
24heures.ch
December 3, 2015Media
Le patron de la SEFA tire sa révérence après 14 ans
24heures.ch

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Location

Chemin Lucien Chevallaz 5
1170 Aubonne
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-105.733.725
Last commercial register change
October 14, 2025
Employees
51 to 100
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.100.06%
  • 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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