Kostromskaya Sbytovaya Kompaniya PAO (KSK PAO or Kostroma Power Sale PJSC) is a Russia-based company engaged in the electricity sector. The Company specializes in the purchase and distribution of electric energy on the wholesale and retail markets. KSK PAO's services consumers are both: legal entities and individuals. KSK OAO provides services through numerous branches. KSK PAO operates domestically, mainly on the territory of Kostroma region. The Company's major shareholder is UK Rusenergokapital OAO.