China extended its anti-espionage push to the energy sector, calling for companies and agencies to halt leaks of information in industries including nuclear power and oil.

Foreign forces are collecting data and information to interfere with China’s efforts to ensure energy security and to distort its planning for a green transition, the National Energy Administration said in a statement on Wednesday. The agency called for more inspections and investigations to ensure confidentiality, and to increase punishment for violations.

The announcement follows a broader push to restrict public information and expandanti-espionage laws as President Xi Jinping grows more wary of …