Industrial ConsumersNational Grid´s substation & Siemens Energy Team Up to Eliminate SF6 GasesPaola SanchezMarch 10, 2022March 10, 2022 by Paola SanchezMarch 10, 2022March 10, 202201223 National Grid´s substation will upgrade with Siemens Energy´s designed gas free “Blue circuit brakers”. It works with clean air and vacuum switching technology. This is...