Replacement of Household Appliances
Household Appliances
Measure Goal
The goal is to estimate the electricity savings triggered by replacing an old household appliance with a new, energy-efficient model. The measure covers various household appliances such as clothes dryers, washer-dryers, dishwashers, refrigerators, fridge-freezers, freezers, chest freezers, wine coolers, extractor hoods and hobs.
Symbols, Terms and Units
| Symbol | Description | Unit |
|---|---|---|
E | annual electricity consumption | kWh/a |
ΔEeco | cumulative electricity savings | kWh |
f | Factor | — |
Ns | Standard effective duration | a |
Ealt | annual electricity consumption of the old state | kWh/a |
Eneu | annual electricity consumption of the new state | kWh/a |
feco | Reduction factor (0.75) | — |
Calculation Formulas
Creditable Electricity Savings
The creditable electricity savings result from the difference between the old and new annual electricity consumption, multiplied by the reduction factor (0.75) and the standard effective duration. The reduction factor accounts for the natural renewal and optimization rate.
Examples and Scenarios
A municipality promoted the replacement of 214 old dishwashers with energy-efficient models as part of an electricity savings program for residents
Inputs
37x Geschirrspüler Klasse A + 177x Geschirrspüler Klasse B
Downloads
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