Chapati Substation, located near Budanilkantha in Kathamandu district, has a double bus system at 132 KV and a single bus system at 66 KV power level. To link with Balaju and Bhaktapur, this substation was built using a 132 kV twin busbar system. There are two 66kV bays for the Devighat Circuit-I and II, as well as two bays for the 66kV chabel-I and II circuits. It includes two sets of 132/66 kV single phase transformers with capacities of 3x15/16.5 MVA each. There is a single phase transformer with a capacity of 3*10 MVA.