Tariff Petition 2008-09 to 2010-11 - WBSEDCL

TARIFF PETITION- 2008-09,2009-10 & 2010-113.0. ESTIMATES OF COSTS3.1. Power Generation :In terms of the West Bengal Power Sector Reforms Transfer Scheme, 2007 all theexisting Hydel Power stations, all Gas turbine Units and Diesel Generation units with allassociated and related equipments of WBSEB have been transferred to WBSEDCL fromthe effective date. The Purulia Pumped Storage Project (PPSP) under construction hasalso been transferred to WBSEDCL from the effective date ( 01.04.07).3.1.1 Hydel Stations :The main hydel stations of WBSEDCL, namely the Rammam and Jaldhaka areworking at reasonably high PLF. But the generation at TCF hydel power station cannotbe achieved at the designed value due to constraint towards release of 330 Cumec ofwater as per DPR for non completion of Dauk-Nagar Main Canal by I&W Departmentand frequent shut down of Main Canal for long periods.Generation at different hydel power station during FY09, FY10 and FY11 havebeen estimated considering the present trend of generation and the target maintenanceprogramme of respective power stations.3.1.2 Purulia Pumped Storage ProjectPurulia Pumped Storage Project with an installed capacity of 900 MW (4 x 225MW) was taken up in hand in Ajodhya hills in the District of Purulia of West Bengalunder P.S. Bagmundi with the loan assistance of Japan Bank for InternationalCooperation (JBIC) erstwhile Overseas Economic Cooperation Fund (OECF) few yearsback. Four units of the Purulia Pumped Storage Project (PPSP) has already beencommissioned and the date of synchronization / Commercial operation of the four unitsare given below. Two 400 kV double circuit transmission lines connecting Durgapur andArambag 400 KV S/Stn. with PPSP have been constructed for transmitting and receivingpower from PPSPWest Bengal State Electricity Distribution Company Ltd. 25