Goa Tamnar Transmission Project

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Information Sterlite Power has come up with Goa Tamnar Transmission Project with a ticket size of 1531 INR Crores. This project in Electricity Transmission sub-sector involves The current status of the project is Concessionaire Appointment and is being developed through the PPP route. Economic/Social Impact of the Project Additional 400 kilovolt [k/V] feed to Goa. The peak demand met by Goa during the year 2014-15 was 489 Mega Watt [MW] and as per the 18th Electric Power Survey [EPS], the peak demand of 815 MW was expected by the end of 12th Plan and 1192 MW by the end of 13th plan. At present demand of Goa is mainly catered through Mapusa 3x315 Mega Volt Ampere [MVA], 400/220 kV substation, which gets feed from Kolhapur 400 kV substation through a 400 kV line. Goa system is also connected with Maharashtra and Karnataka through 220 kV lines. To supply the projected power requirement of Goa with reliability, an additional 400 kV in feed to Goa was required. The matter was discussed in the 38th meeting of Standing Committee on Power System Planning in Western Region, held on 17-07-2015 at New Delhi wherein the provision for a new 400kV Substation in Goa at Xeldem along with its interconnections with the Inter State Transmission System was agreed. Accordingly, following transmission system was discussed and approved in the 39th and 40th Standing Committee Meeting [SCM] of Western Region [WR] held on 30.11.2015 and 01.06.2016 respectively and 39th and 40th SCM of Southern Region [SR] held on 28-29.12.2015 and 19.11.2016 respectively. It consists of elements Line-in-Line-Out [LILO] of one circuit of Narendra [existing] - Narendra [New] 400kV D/c quad line at Xeldem, Xeldem - Mapusa 400kV D/c [quad] line , Establishment of 2x500MVA, 400/220kV substation at Xeldem Additional System for Power Evacuation from Generation Projects pooled at Raigarh [Tamnar] Pool - Raigarh [Tamnar] Power Station [PS] has been planned to pool about 3000MW power from Jindal Power Limited [4x600] and TRN Energy Pvt. Ltd. [2X300] generation project and onward transfer of same through 765kV D/c line to Raigarh [Kotra] generation complex. For evacuation of power reliably from Raigarh [Tamnar] PS, a second corridor was planned from this pooling station to Dharamjaygarh 765 kV S/s through 765kV D/c line. Dharamjaygarh sub-station is further connected to Western Region [WR] and Northern Region [NR] grid through Dharamjaygarh - Jabalpur PS 765kV 2xD/c line and onward 765kV transmission system. Accordingly, Raigarh Pool [Tamnar] - Dharamjaygarh PS [Section B] 765 kV D/c Line was agreed in 38th and 39th SCM of WR held on 17.07.2015 and 30.11.2015 respectively as Additional System for Power Evacuation from Generation Projects pooled at Raigarh [Tamnar] Pool. Original TDC was 07.06.2018. The transmission scheme was ratified in 31st Western Regional Power Committee [WRPC] meeting held on 31.03.2016 at Raipur.