Global rooftop solar photovoltaic (PV) installations are expected to jump to almost 95 GW by 2025 from 59 GW in 2021, according to a recent analysis.

In the last five years, Rystad Energy analysts reported rooftop installations have surged 64%, and currently represent 30% of total global solar capacity. 

Much of the global growth results from increased adoption in China, where rooftop solar PV capacity pre-2017 sat at 4 GW. In 2021, installations in China reached 27.3 GW, according to the analysts. 

“Small-scale solar PV, including residential, commercial and industrial, and off-grid projects, are gaining momentum supported by economics and policies, with China, Japan, Germany, the U.S. and Australia emerging as key markets,” said Rystad’s Gero Farruggio, head of...