Industrial ConsumersNational Grid´s substation & Siemens Energy Team Up to Eliminate SF6 GasesRubi AlvaradoMarch 10, 2022March 10, 2022 by Rubi AlvaradoMarch 10, 2022March 10, 2022 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...