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© 2026 Energieagentur St.GallenEFFEL · Efficiency gains through electricity suppliers · Art. 46b EnG
  1. Home
  2. Standardized Measures
  3. Commercial Equipment
  4. GG-04a

SFOE standard catalogue · Commercial Equipment · Version 1.0

Replacement of Commercial Ice Makers

The goal of this document is to estimate the electricity savings triggered by the replacement of commercial ice makers on a flat-rate basis.

At a glance

GG-04a

Type
Replacement
Version
1.0
Example A
no example in the catalogue
Proofs
1 documents
Start funding check for GG-04a
  • Requirements
  • Proofs
  • Calculation basics
  • Downloads

Requirements

Only measures that meet the requirements of the Energy Ordinance (SR 730.01; EnV) can be credited. The additional requirements for the technical characteristics and for the implementation of the measure are set out in Table 1.

Energy efficiencyThe new ice makers must not exceed the following electricity consumption values, whereby the ice production P of the new device according to EN ISO 6369:2023 in kg/24h (whole number) is to be used for the calculation.
With ice storage bin and <80 kg/24h0.65 * (36.82 + P * (-0.2119))
With ice storage bin and 80-199 kg/24h0.65 * 20.08
Without ice storage bin and <200 kg/24h0.75 * (20.35 + P * (-0.0374))

* With a factory-fitted ice storage bin

Proof of compliance

Compliance with the requirements must be demonstrated by the following documents. The documents listed in Table 2 are an integral part of the proof of measure implementation.

  1. 1.Invoice documents (PDF, PNG or JPEG format)
Calculation basics: symbols, units and formulasNot needed for the review, useful for recalculating▾

Symbols, Terms and Units

SymbolDescriptionUnit
especific electricity consumptionkWh/100kg
Eannual electricity consumptionkWh/a
ΔEecocumulative electricity savingskWh
NsStandard effective durationa
PIce productionkg/24h
fFactor24h/a
nwUsage intensitykg/a

Calculation Formulas

Creditable Electricity Savings

ΔEeco = (Eold - Enew) × feco × Ns

The creditable electricity savings result from the difference between the current and new annual electricity consumption, multiplied by the reduction factor (0.75) and the standard effective duration (10 years).

Annual Electricity Consumption

Ex,i = (ex,i / 100) × nw = (ex,i / 100) × P × f

The annual electricity consumption is calculated from the product of the specific electricity consumption, the ice production and the usage factor.

Downloads

Documentation (PDF)Complete technical documentation including calculation basisDownload DOC
Excel Calculator (XLSX)Interactive calculation tool for savingsDownload PRO

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Other measures in Commercial Equipment

GG-01aReplacement of Commercial Plug-in Refrigeration and Freezer UnitsGG-02aReplacement of Commercial DishwashersGG-03aReplacement of Commercial Laundry Equipment

Part of the EFFEL programme

Standardised measures are one of two measure types in the EFFEL programme (efficiency improvements by electricity suppliers, Art. 46b EnG). They follow a predefined SFOE catalogue with fixed savings values.

More about the EFFEL programme