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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy producerBenzenschwilOptimaSolar Freiamt Genossenschaft
OptimaSolar Freiamt Genossenschaft Logo
Verified· 2 sourcesTrust Score
Summary

About the company

OptimaSolar Freiamt Genossenschaft develops and operates facilities that generate renewable electricity, including photovoltaic installations and a small hydroelectric plant. It sells solar power and organizes self-consumption schemes that supply and bill electricity locally.

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Products & services

Industry:Energy producer
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OptimaSolar Freiamt Genossenschaft

✓ Offered5
Solar power (HKN)
Solar power for home or for mobility via certificates of origin (HKN); green electricity certificates for the amount of electricity purchased, also available for partial quantities.
Collective self-consumption
Association for the self-consumption of solar power; joint use of the generated electricity within the local self-consumption model.
Become a patron partner
Patronage model with participation in plants via cooperative share certificates; for people who can provide a roof or would like to purchase solar power from the cooperative plant.
Joining the cooperative and share certificates
Joining the cooperative with the subscription of share certificates; details on company, person, bank account information and the number of share certificates in the online form.
Power generation plants
Operation of power generation plants using water and sun; CHP Bächlen Muri as well as PV systems Schmid Birri and Bachmatten Muri with production data.
Trust & reputation

ranQ Trust Score of OptimaSolar Freiamt Genossenschaft

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of November 2026

OptimaSolar Freiamt Genossenschaft has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
OptimaSolar Freiamt Genossenschaft scores 88.6 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.70.07%
OptimaSolar Freiamt Genossenschaft 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%
OptimaSolar Freiamt Genossenschaft scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of November 2026.

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

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Location

Oberdorf 1
5636 Benzenschwil

At a glance

Legal form
Cooperative
UID
CHE-100.824.697
Founded
1991 · 35 years
Last commercial register change
September 27, 2021
Employees
11 to 20
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

    Active in 1 of 26 cantons · 2 municipalities

    • AGAristau
    • AGMerenschwand

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