SPL ke moetsi oa li-transformer tsa motlakase tse tsoang Chaena. SPL e na le feme e nang le lisekoere-mithara tse 16000, lienjiniere tse 16 tsa litsebi le basebetsi ba 156 ba nang le phihlelo. Sebakeng sa inshorense ea boleng bo holimo, SPL e ka fana ka li-epoxy resin cast kapa li-transformer tsa mofuta o omileng tse sa kenngoeng, letlapa la tšepe la silicon kapa li-transformer tse kentsoeng ka oli ea amorphous, li-substations tse kopaneng le likhabote tsa switchgear ka theko e tlase ho feta mofani oa thepa ea hau ea hajoale ea boleng bo tšoanang. lihlahisoa.