Best practices

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No. 01
Chocolats Halba
Wallisellen
Chocolats Halba, Wallisellen

Chocolate manufacturer Chocolats Halba underwent a Motor-System-Check as part of the Topmotors program - with success. With a new IE3 motor including a frequency converter and a more efficient toothed belt, they were able to save 24 000 kWh of electrical energy per year on a fine grinding roller mill.

Further information in english: in progress

No. 02
Reber Ernst Sutter AG
Langnau i. E.
Reber Ernst Sutter AG, Langnau i. E.

The energy use of the meat-processing factory Reber Ernst Sutter AG was studied as part of the Easy funding program. The control system for the ventilation and compressed air were improved, resulting in an annual electricity cost saving of CHF 8 400. After implementing all of the recommended measures, the savings totals CHF 47 000 per year.

Further information in english: in progress

No. 03
Dairy processing
Western Switzerland
Dairy processing

A business in Western Switzerland underwent a Motor-System-Check by the Topmotors program - with success. They were able to save 51 852 kWh electricity per year (-66 %) after implementing the first measure.

Further information in english: in progress

No. 04
Emmi AG
Ostermundigen
Emmi AG

The motor driven units of the refrigeration system at Emmi’s plant in Ostermundigen were analysed and their energy use optimised. They were able to save 213 MWh electricity per year (-5 %) after implementing of improvements on 5 refrigeration compressors.

Further information in english: in progress

No. 05
Wastewater treatment plant
Geneva
ARA Geneva

An urban waste water treatment plant operated by Services Industriels de Genève (SIG) was analyzed and optimised. In this case, it was possible to save 2.05 GWh electricity per year (-15.3%) with a payback of 2.3 years with a new operating software strategy and without major mechanical changes. When reviewed over a service life of around 20 years, this investment results in savings of around CHF 5.3 million.

Further information in english: in progress

No. 06
Waste incineration plant
Geneva
KVA Geneva

A primary fan was optimised in the municipal waste incineration plant of Services Industriels de Genève (SIG). Part of the measure involved resizing of the fan and the new IE3 motor and use of a frequency converter.

Further information in english: in progress

No. 07
IVF Hartmann AG
Neuhausen a. R .
IVF Hartmann AG

In 2016, IVF Hartmann AG decided to replace its outdated pumps with new, more efficient models. This measure saves the company around 53 000 kWh of electricity per year.

No. 08
HASTAG (Zürich) AG
Wil ZH
HASTAG (Zürich) AG

By renewing the motor of the conveyor belt system leading into the gravel plant in Wil ZH, HASTAG
(Zürich) AG has reduced the facility’s energy consumption by around 10 %.

No. 09
Jura Cement AG
Wildegg
Best practice No. 09: Jura Cement AG, Wildegg cement works

The redesign of its high-performance ventilators will enable Jura Cement AG in Wildegg to save nearly 700 MWh per year.

No. 10
Sables & Graviers La Poissine SA
Grandson VD
Best practice No. 10: Sables & Graviers La Poissine SA

By installing a new pump and adapting the size, Sables & Graviers La Poissine SA, a company based in Grandson in the Swiss canton of Vaud, has halved the electricity consumed by the main pump in its gravel washing system.

No. 11
Regional-Eisbahn Sense-See AG
Düdingen FR
Regional-Eisbahn Sense-See AG

Thanks to the new refrigeration system, training on the Düdingen ice rink can take place as early as August. The new system also cuts electricity costs by around 36% and heating oil consumption by 80%.