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CS-v4 EAp2:Minimum energy performance

Energy saving of solar domestic hot water system

Hi all

In my project, solar photovoltaic panels are used to preheat domestic hot water, which is then heated by gas-fired boiler to the set temperature.However, solar photovoltaic panels cannot be modeled in equest. And the Baseline shall be maintained with Proposed. How should I calculate this part of the energy savings by preheating through solar photovoltaic panels through exceptional calculations?

Thanks.

 

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