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Zhen et al. Carbon Footprints 2024;3:7 https://dx.doi.org/10.20517/cf.2023.50 Page 7 of 17
Figure 3. Descriptive statistical results of rooftop photovoltaic models (A), photovoltaic module types (B), annual power generation
(C), and the tilt angle of photovoltaic equipment (D).
Figure 4. Different modes of photovoltaic installation and their pros and cons.
where enterprises rent residents’ rooftops, cover the installation costs, and enjoy the electricity generation
benefits. In the first case, due to the lack of government supervision and intervention, the returns from
distributed PV may be overstated, and there is a risk of keeping long-term maintenance services.
