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District old solar power generation

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District old solar power generation [PDF]

6 FAQs about [District old solar power generation]

Can PV and RC save energy in old residential districts?

By applying PV and RC to all old residential districts in Shenzhen, the annual PV power generation and cooling energy saving from RC are as high as 5299 GWh and 277 GWh. This study demonstrated that PV and RC are promising technologies in energy-saving renovation of old residential districts.

Are old residential districts a promising opportunity for integrating PV and RC technologies?

Overall speaking, the vast quantity and size of existing old residential districts present a promising opportunity for integrating PV and RC technologies. The annual total PV power generation of the roofs and facades is approximately 5299 GWh, and the RC energy-saving is about 277 GWh. 5.3. Limitations and future works

Why are PV power generation and RC energy saving potentials higher in Shenzhen?

From Fig. 16, the PV power generation and RC energy saving potentials are both higher in the southwest of Shenzhen because of the high density of old residential districts in this area. According to Table 4, the annual rooftop PV power generation in the old residential districts of Shenzhen is approximately 1740.7 GWh.

How much energy is saved by rooftop PV power generation in Shenzhen?

According to Table 4, the annual rooftop PV power generation in the old residential districts of Shenzhen is approximately 1740.7 GWh. In contrast, the PV power generation is predicted to be 3558.4 GWh on the facades. Simultaneously, the annual energy saving from rooftop RC application is 86.4 GWh in old residential districts of Shenzhen.

Can photovoltaic and radiative cooling retrofit in Shenzhen's old residential districts?

These factors would be further considered in future simulation processes. Furthermore, methods such as on-site surveys or remote sensing can be used to evaluate the suitability of photovoltaic and radiative cooling retrofitting in Shenzhen's old residential districts.

Can solar power and RC Technology save building energy?

PV and RC technologies can both be applied as building energy-saving renovation technologies under hot summer and warm winter climate. The equivalent building energy saving from PV power generation and RC cooling energy utilization was respectively 49.7 kWh/m 2 and 3.3 kWh/m 2 under Shenzhen climate.

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