Tariff Petition 2008-09 to 2010-11 - WBSEDCL

TARIFF PETITION- 2008-09,2009-10 & 2010-11amount of power through grid.Hence total purchase from DVC through grid and at radialmode will remain at the same level.3.2.4. Purchase of Power from WBPDCL :a) Kolaghat Thermal Power Station :In West Bengal Electricity Regulatory Commission (Terms and Conditions ofTariff) (Ammendment) Regulations, 2007 notified vide no 38/WBERC dated 31/12/2007,Hon’ble Commission has specified year wise norms for the operating parameters e.gPLF, percentage auxiliary consumptions, heat rate etc for the different generatingstations of WBPDCL. As per that stipulated norms as above, net energy to be availablefrom WBPDCL’s Kolaghat Thermal Power Station to WBSEDCL during the ensuingyears FY09, FY10 and FY11 will be 7045 MU, 7152 MU and 7260 MU respectively.b) Bakreswar Thermal Power Station :At Stage-I Bakreswar of WBPDCL has 3x210 MW Generating Sets with a totalcapacity of 630 MW. As per the norms stipulated by the Hon’ble Commission 4018 MU (net energy) will be available every year from the first three units of Bakreswar ThermalPower Station during the ensuing years FY09, FY10 and FY11.Energy to be available from the new Units at Bakreswar Thermal Power Station (Unit IVand Unit V) has been considered separately.Last year a huge quantum of energy was considered to be available from the new unitsof WBPDCL in our tariff petition as well as in the tariff order passed by the Hon’bleCommission for the year 2007-08 and a sizable amount was deducted from the ARR for2007-08 on account of benefit to be passed on to the consumer for supply of energy tothe persons other than consumer and licensee. But no unit of WBPDCL was availableduring last year and as a matter of that WBSEDCL could not avail that level of benefitthat had been considered in the tariff order by selling the surplus power to the personsother than consumer and licensee. As per information received from WBPDCL recentlywe have estimated net energy to be available from the new units of Bakreswar ThermalPower Station considering 80% PLF for eight months from one unit (Unit IV) and fourmonths from another unit (Unit V) during FY09 and at 80% PLF from both units duringWest Bengal State Electricity Distribution Company Ltd. 32