* Full list of cited regulations at the end of this chapter.

Under the 2021 General Rules* and the 2021 Action Plan for Peaking Carbon Emissions before 2030*, China has set the following targets for the use of renewable energy in the building sector:

• All new buildings must have solar power systems.
• By 2025, renewable energy substitution rate of 8% must be achieved in urban buildings.
• By 2025, a rooftop photovoltaic coverage rate of 50% must be reached for all new public buildings and industrial buildings.