Transformer for VSPP and SPP Application is one type of oil immersed transformer which is designed to have capacity (kVA) and voltage level suitable to be installed and used for SPP (Small Power Producer) and VSPP (Very Small Power Producer). This application of transformers can either be Hermetically Sealed type or Conservator Tank Type. The Transformer is equipped with On-load tap-changer or OLTC from Maschinefabrik Reinhausen (MR), Germany