Statnett SF energy system operator | Sogndal substation, Norway Sogndal substation is a key node point in Western Norway. It strengthens the Western Norway power grid, increases the electricity transmission capacity, and provides voltage support by installation of a Static Var Compensator (SVC). As a result, it ensures an additional feed-in of electricity and a redundancy capacity provided by wind and small hydro power plants. Siemens Energy was responsible for the planning, delivery, and installation of nine bays for a 420 kV AIS, in double bus, two breaker design, three bays for a 145 kV AIS, in single bus, single breaker design. Furthermore the contract was comprising the connection of the existing 300 kV transmission lines with the new 420 kV substation and the design, delivery, and installation of a +/- 250 MVAr Static Var Compensator (SVC).