Product & Services > HV Substation Electrical System Solution PT Exabb Energy Nusantara Electrical Engineering & Contracting © copyright 2012  HV Substation With more than 20 years experience in doing the primary and secondary design of high voltage sub-station up to 500kV. Our team has strong presence and we have supported many large manufacturer and EPC, such as ABB,AREVA, Meta Epsi, etc in delivering the control and protection relay panel.Our strong engineering team is very capable in designing the complete highvoltage substation both for primary and secondary design. With support from major equipment suppliers such as ABB, AREVA, General Electric, Siemens, etc. We are ready to give you the full support for building and improving your high voltage substation. For many years we have delivered both conventional and intelligent control.