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Government of India has set a target for establishing 175 GW renewable capacity by 2022, which includes 100 GW from Solar and 60 GW from Wind. Solar Energy Corporation of India (SECI) in association with MNRE has identified potential Solar Energy Zones (SEZ) and Wind Energy Zones (WEZ) of 66.5 GW in seven RE rich states (Tamil Nadu, Andhra Pradesh, Karnataka, Gujarat, Rajasthan, Maharashtra and Madhya Pradesh) to be evacuated through ISTS. Out of total 66.5 GW REZs, 18.5 GW (Solar-10 GW & Wind-8.5 GW) potential has been identified in the states of Tamil Nadu, Andhra Pradesh and Karnataka in Southern Region.

The transmission system was evolved for integration of 66.5 GW potential REZ in various states including18.5 GW of identified prioritized potential SEZs and WEZs in states of Tamil Nadu, Andhra Pradesh and Karnataka with the ISTS network in Southern Region. The transmission system associated with potential RE capacity, based on inputs from SECI/MNRE has been prioritised for implementation into three phases in the meeting held on 30.08.2019 at CEA, New Delhi. Out of the 18.5 GW REZ in Southern Region, 5.5 GW under Phase-I & 5 GW under Phase-II of the prioritized wind and solar energy zones has been targeted for completion by Dec’21 and balance 8 GW under Phase-III has been targeted for completion beyond Dec’21.

The 2.5 GW solar potential identified in Bidar area of Karnataka has been prioritised under Phase-II for implementation by Dec’21. The subject transmission scheme involves establishment of Bidar Pooling Station and its interconnection with ISTS grid for evacuation of solar potential from Bidar area of Karnataka.

Project Elements 1. Establishment of 3x1500MVA (765/400kV) and 5x500MVA (400/220kV) Station at suitable border location near Bidar with 765kV (1x240MVAR) and 400kV (1X125MVAR) bus reactor.

A. 765kV

i. ICT: 10x500MVA, 765/400/33 kV (with 1x500 MVA, 765/400/33 kV Transformer unit as common spare for three banks)
ii. ICT bay: 3 nos.
iii. Line bay: 2 nos.
iv. Bus Reactor: 3x80 MVAR (one bank of 240MVAR)
v. Line Reactor: 6x80 MVAR (two banks of 240 MVAR each)
vi. Spare Reactor: 1x80 MVAR (common spare unit for banks of Bus Reactor & Line Reactor)
vii. Bus Reactor bay: 1 no.
viii. Switchable Line Reactor bay: 2 nos.
ix. Space for future line bay: 6 nos.
x. Space for future 765/400/33 kV ICT along with associated bay: 1 no.
xi. Space for future 765kV Bus Reactor along with associated bay: 1 no.

B. 400kV

i. ICT: 5x500MVA, 400/220kV
ii. ICT bay: 8 nos. (3 nos. for 765/400/33kV and 5 nos. for 400/220/33kV)
iii. Bus Reactor: 1x125 MVAR, 420kV
iv. Bus Reactor bay: 1 no.
v. Space for future line bay: 8 nos.
vi. Space for future 765/400/33kV ICT bay: 1 no.
vii. Space for future 400/220/33kV ICT along with associated bay: 2 nos.

C. 220kV

  i. ICT bay: 5 nos. (4 nos. on Bus section-A and 1 no. on Bus section-B)
  ii. Line bay: 8 nos. (6 nos. on Bus section-A and 2 no. on Bus section-B)
  iii. Bus sectionalizer bay: 2 nos. (one no. for each Main Bus)
  iv. Bus coupler bay: 2 nos. (one no. for each Bus section)
  v. Transfer Bus coupler bay: 2 nos. (one no. for each bus section)
  vi. Space for future 400/220kV ICT bay: 2 nos. (2 nos. on Bus section-B)
  vii. Space for future line bay: 4 nos. (2 nos. each on Bus section-A & Bus section-B)

2. Bidar PS –Maheshwaram (PG) 765kV D/c line

3. 2 nos of 765 kV line bays at Maheshwaram (PG) GIS substation for termination of Bidar PS – Maheshwaram (PG) GIS 765kV D/c line

4. 765 kV, 1x240MVAR switchable line reactor for each circuit at Bidar PS end of Bidar PS– Maheshwaram (PG) 765kV D/c line [as per A. v), vi) & viii) above]
Name of project specific SPV

BIDAR TRANSMISSION LIMITED

Name of the successful Bidder Project under Bidding
Date of transfer of SPV to successful Bidder/Effective Date Project under Bidding
Scheduled COD of the Project Project under Bidding
Levelized Transmission tariff of successful Bidder Project under Bidding

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