ISLAMABAD (Online) NEPRA has increased power tariff of Northern Power Generation Company (NPGC) by Rs 4.28 per unit which will take effect from October, 15. As per statement issued by NEPRA, enhancement in production tariff of NPGC has been made due to increase in cost of furnace oil which has led to raise cost of production of plant to Rs 22. 18 per unit. According to NEPRA, tariff of Northern Power Generation Company has been increased by 30 paisa per unit and production tariff of Jamshoro and Muzaffargarh poser units has been decreased from Paisas 36 to paisas 42 per unit Increase in tariff has been approved with effect from October, 15 while member NEPRA, Maqbool Khawaja put note of dissention on the increase in tariff.