This standard specifies the content and methods of environmental impact assessment of power transmission and transformation construction projects. This standard is applicable to the environmental impact assessment of AC power transmission and transformation construction projects with voltage levels of 110kV and above, and DC power transmission construction projects with voltage levels of ±100kV and above. 2 Classification AC DC voltage level substation, converter station, line switch station, series compensation station Overhead line 110kV 30m outside the station boundary 30m on both sides outside the ground projection of the side conductor 220~330kV
HJ 24-2020 history
2020HJ 24-2020 Environmental Impact Assessment Technical Guidelines for Power Transmission and Transformation
2014HJ 24-2014 Technical guidelines for environmental impact assessment of electric power transmission and distribution project
1998HJ/T 24-1998 Technical regulations on environmental impact assessment of electromagnetic radiation produced by 500KV ultrahigh voltage transmission and transfer power engineering