GB 50189-2015 第4.2.4条
| **** | **Solar PV system requirements**: When the hotel building has a large roof area or suitable façade conditions, a solar photovoltaic power generation system should be provided. The installed capacity of PV modules should meet the target that **annual power generation is not less than 1% of the building's total electricity consumption** (Note: this is a recommended provision, not mandatory). |