HCM CITY — HCM City is going to install more solar panels on the roofs of State administrative agencies and public service units. In 2021, with an output of nearly 300 million kWh, solar power in the city earned revenue of about VNĐ600 billion (US$25 million). Installation-related issues such as fire prevention, architecture and aesthetics must be handled to develop rooftop solar energy in the city, he said. When these details are clear, the procedure can be done quickly, and the city can enjoy more power from rooftop solar panels, he added. The city’s Industry and Trade Department said it is finishing procedures to install rooftop solar panels on State office buildings.