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Then, applications are categorized according to a household's system size. All systems lower than or equal to 25kW AC are considered small systems. Large Systems are further divided into 5 sub-categories, with values ranging from 25-2000kW AC. Below are the subcategories for households and buildings with a large system size:
<25kW
>25-100kW
>100-200kW
>200-500 kW
>500-5000 kW
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