The Yiti 132/33 KV substation consists of a GIS and control room area, 125 MVA – 2 transformers and a fire wall. The substation was built in the mountainous area of Yiti. The features of the project include a basement structure, a wide span GIS structure, overhead cranes, galvanized structural steel works, raised floor works, ceiling works and 6 meter high retaining walls on the entire length of the valley.