· 2015. 10. 26. · This Raigarh Station would be implemented with extended bus of Raigarh(Kotra) existing 400kV S/S. The in 26t SRPC meeting. ¾Regulated tariff HVDC Station would

ANNEXURE IIANNEXURE II

Transmission elements Schedule Revised Constraints/ Remarks

System Strengthening –XVII in SR Grid ( PGCIL SR II portion of Narendra‐KolhapurTransmission elements Schedule

d CODRevised

Target dateConstraints/ Remarks

765 kV D/C Narendra (New Kudgi)- Kolhapur line (initially

Mar’15 Sep’15 Completion matching withreadiness of Kudgi S/S (Landudg ) o apu e ( t a y

charged at 400 kV)ead ess o udg S/S ( a dAcquisition in Feb 2014). Effortsbeing made to complete earlier.

400 kV D/C Narendra (New Kudgi) Sep’15 Completion matching with ( g )– Narendra (existing) line (Quad) S/stn

LILO of both ckt at 400 kV D/C Kolhapur‐Mapusa line at Kolhapur

Sep’15 Completion matching with S/stn

765/400 kV Narendra (New Kudgi) SS (GIS) (charged at 400 kV)

Apr’15 Sep’15 Award placed in Mar’14. Land acquired in Feb’14. Supply, civil works & errection under works & errection under progress

765/400 kV Kolhapur SS(GIS) (charged at 400 kV)

Sep’15 Award placed in Mar’14. Supply,civil works & errection under progress

Extn. At 400/220 kV Narendra S/stn Sep’15 Award placed in Mar’14. Supply,civil works & errection under progress

Implement-ing CKM Sch. COD Ant COD/ Act COD

Constraints/ Remarks

Wardha - Nizamabad 765 kV D/C line

Wardha-Nizamabad-Hyderabad (Maheswaram)765kV D/C

PGCIL 1094 May’18Award placed in Mar’15. Towererrection commenced from Jul’15

Wardha – Raipur PS 765 kV D/C PGCIL 713 Dec’15 Commissioned on 15-11-2014

Extn. of Raipur 765 kV S/S PGCIL Dec’15 Completed

Extn. of Wardha 765 kV S/S PGCIL May’18 May’18 Award under progress.

Wardha Aurangabad 765 kV Line 1 commissioned in July 14 Line IIWardha – Aurangabad 765 kVD/C

PGCIL 701 Dec’15 Fe b’15Line 1 commissioned in July 14. Line IIby Feb’15

Extn. of Aurangabad 765 kV S/S PGCIL Mar’16 Mar’16Award placed in May’ 2014 and underprogress

Nizamabad-Dichipalli 400 kVD/C

PGCIL May’18Award placed in Mar’15. Towererrection commenced from Jul’15.

Nizamabad-YeddumailaramThis along with “Maheshwaram PG -Mahboobnagar 400 kV D/C line” was

(Shankarapalli) 400 kV D/C through based (TBCB) route. wasrecommended GoI for

Maheshwaram PG 765/400 kV,2x1500 MVA S/S

PGCIL Mar’18 Mar’18 Award placed in Ma’152x1500 MVA S/S

Nizamabad 765/400 kV, 2x1500MVA S/S

PGCIL May’18Award placed in Mar’15. Engg. Inprogress

Transmission ElementImple-

mentingLine

length COD Constraints/

WR‐SR Raigarh‐Pugalur‐ Kerala 6000 MW HVDC System

Transmission Element mentingAgency

length (ckm)/ MVA

Capacity

COD Constraints/ Remarks

Sch. Ant / Act

Scheme # 1: Raigarh‐Pugalur 6000 MW HVDC System . This system Scheme # 1: Raigarh Pugalur 6000 MW HVDC System . This system would be designed with normal 20% overload for 30 minutes and 10% overload for 2 hours The scheme

had beenawarded to

1. Establishment of Raigarh HVDC Station 8 kV ith 6 MW HVDC t i l awarded toPGCIL(GoI

circular dated10.12.2014)as informed

h

+800kV with 6000 MW HVDC terminals. This Raigarh Station would be implemented with extended bus of Raigarh(Kotra) existing 400kV S/S. The

in 26th SRPCmeeting.

Regulatedtariff

g ( ) g 4HVDC Station would have GIS for 400kV part and AIS for HVDC part.

2 Establishment of Pugalur HVDC Stn mechanismvide MoPletter dated03-03-2015.

2. Establishment of Pugalur HVDC Stn+800kV with 6000 MW HVDC terminals. The HVDC Station would have GIS for 400kV part and AIS for HVDC part.3. ± 800 kV Raigarh (HVDC Stn) – Pugalur(HVDC Stn) HVDC Bipole link with 6000 MW capacity.


mentingLine




length (ckm)/ MVA

Capacity


Sch. Ant / Act

Scheme # 2: AC System strengthening at Pugalur endScheme # 2: AC System strengthening at Pugalur end

The schemehad beenawarded to

1. Pugalur HVDC Station – Pugalur (Existing) 400kV (quad) D/c line2. Pugalur HVDC Station – Arasur 400kV (quad) D/c line awarded to

PGCIL(GoIcircular dated10.12.2014)as informed

(quad) D/c line.3. Pugalur HVDC Station – Thiruvalam 400kV(quad) D/c line with 2x80 MVAR line reactor atPugalur HVDC Station end and 2x63 MVAR line

h l k das informedin 26th SRPCmeeting.

Regulatedtariff

reactor at Thiruvalam 400kV end.3. Pugalur HVDC Station – Edayarpalayam400kV (quad) D/c line with 63 MVAR switchable line reactor at Edayarpalayam end.

d l d l k ( d) tariffmechanismvide MoPletter dated03-03-2015.

4.Edayarpalayam – Udumulpeta 400kV (quad) D/c line.(Establishment of 400/220kV substation at Edayarpalayamwith 2x500 MVA transformers

d MVAR b ld b d and 2x125 MVAR bus reactors would be under the scope of TANTRANSCO. The bay for ISTS transmission lines at Edayarpalayamwould be implemented as ISTS.)


mentingLine




length (ckm)/ MVA

Capacity


Sch. Ant / Act

Scheme # 3: Pugalur‐ Trichur 2000 MW VSC Based HVDC SystemScheme # 3: Pugalur Trichur 2000 MW VSC Based HVDC System

The schemehad been

1.+320kV, 2000 MW VSC based HVDC terminal at Pugalur. The HVDC Station would have GIS for 400kV part and AIS for HVDC awarded to

PGCIL(GoIcircular dated10.12.2014)

i f d

HVDC part.2. +320kV, 2000 MW VSC based HVDC terminal at North Trichur. The HVDC Station would have GIS for 400kV part and as informed

in 26th SRPCmeeting.

Regulatedt iff

4 pAIS for HVDC part.3. Establishment of VSC based 2000 MW HVDC link between Pugalur and North T i h * (K l ) (* t/ t f thi li k tariff

mechanismvide MoPletter dated03-03-2015

Trichur* (Kerala). (*part/parts of this link, in the Kerala portion, may be implemented as underground cable where implementation as overhead transmission 03-03-2015.pline is difficult because of RoW issues).4. LILO of North‐Trichur – Cochin 400 kV (Quad) D/c line at North Trichur HVDC Stn

Transmission Element ImplementingLine length (ckm)/ MVA COD Constraints / Remarks

Angul - Srikakulam PS 765 kV D/C line

Transmission Element Implementing Agency

(ckm)/ MVA Capacity

COD Constraints / Remarks

Sch.Ant / Act

Angul - Srikakulam PS 765 PGCIL 552 Jun'15 Aug’16

St-1 forest clearance awaited(99Ha). )1 package re tendered& awarded in June ‘15.Completion matching with

kV D/C line 552 Srikakulam-Vemagiri beingexecuted under TBCB(Sch:Aug’16)

Extn. 765/400 kV Angul Sub PGCIL 1 1500 J ’15 J '16Award placed in Aug’13. Engg.S l i il k & tigstation PGCIL 1x1500 Jun’15 Jun'16 Supply, civil works & erectionunder progress

765 kV D/C Angul-Jharsuguda line PGCIL 570 Dec'15 Jun’16

RoW being faced. Huge forestinvolvement clearance awiated.Huge forest involvement765 kV D/C Jharshuguda-

Dharamjayagarh line PGCIL 230 Dec'15 Jun’16Huge forest involvement.Critical

Extn. of 765/ 400 kV Angul PGCIL D '15 A ’16

Completion matching withSrikakulam-Vemagiri beingg

SS PGCIL Dec'15 Aug’16g g

executed under TBCB(Sch:Aug’16)

Extn. of 765/ 400 kVJharshuguda SS PGCIL Dec'15 Jun’16

Engineering & Civil worksunder progress

Srikakulam P P- Vemagiri- IIP li t ti 765 kV D/C

M/s Vizag Transmission

Li it d 30.08.201 A ’16 U d P

Angul - Srikakulam PS 765 kV D/C line

Pooling station 765 kV D/Cline

Limited(A subsidiary of

PGCIL)

6 Aug’16 Under Progress

Srikakulam Pooling Station 765/ Completion matching withSrikakulam Pooling Station 765/400 kV, 2x1500 MVA PS (400kV - AIS & 765 kV – GIS)

PGCIL 2x1500 Aug’16Completion matching with

Srikakulam-Vemagiri TBCB line(sch: Aug’16)

Srikakulam Pooling StationSrikakulam Pooling Station –Garividi 400 kV (Quad) D/Cline with 80 MVAR switchableline reactor at Garividi end.

PGCIL RFQ has been issued on12.04.2017 by RECTPCL

400/220 KV S/S at Maradam(Garividi) along with 2 Nos. 400KV Quad Bays at the existing400/220 KV Kalpaka S/S

APTRANSCO Feb’16Purchase order issued on15.11.2014Levelling work under progress

Behrampur- Gazuwaka 400kV D/C line M/s Talcher

TransmissionCompany Limited(Subsidiary of M/s

290 CERC ROP (for 18.11.2014)enclosedCEA letter 17.11.2014 : Nophysical progress visible on

Talcher II – Behrampur 400 kVD/C line 220

T l h II R k l 400 kV (Subsidiary of M/sReliance PowerTransmissionCompany Limited)

ground.The scheme needed to beimplemented without any furtherdelay

Talcher II- Rourkela 400 kVD/C Quad line 161

Behrampur 400/220 kV, 2x315MVA S/S 2x315

Additional inter‐Regional AC link for import into Southern Region, i.e., Warora‐Warangal ‐Hyderabad‐ Kurnool 765 kV link

CEA Notification dated 06.02.2015, CEA appointed PFC CL as BPCTransmission Elements Line Length

(ckm)/ MVA Capacity

Implementing

Agency

Sch COD


Establishment of 765/400 kV substations at Bidding yet to a Warangal (New) with 2x1500 MVA transformer and

2x240 MVAR bus reactors.

g ycommence.RfQ inputs communicated by CTU

bWarora Pool -Warangal (New) 765 kV D/C line with240 MVAR switchable line reactor at both ends.

CTU.

The transmission element at(g) was identified for

cWarangal (New) –Hyderabad 765 kV D/C line with330 MVAR switchable line reactor at Warangal end.

dWarangal (New) – Warangal (existing) 400 kV

(quad) D/C line.Hyderabad– Kurnool 765 kV D/C line with 240 (g)

implementation undercompressed time schedulethrough regulated tariffmecha nism by PGCIL.

eHyderabad Kurnool 765 kV D/C line with 240MVAR switchable line reactor at Kurnool end.

fWarangal (New) – Chilakaluripeta 765 kV D/C line

with 240 MVAR switchable line reactor at bothends.

g LILO of Kurnool-Thiruvalam 765 kV D/C atCuddapah

PGCIL

h Cuddapah- Hoody 400 kV (quad) D/C line with 63MVAR switchable line reactor at both ends.

T i i El t Li L th I l S h C t i t / R k

System strengthening within SR for transmitting power beyond VemagiriCEA Notification dated 06.02.2015, CEA appointed RECTPCL as BPC

Transmission Elements Line Length (ckm)/ MVA

Capacity

Implementing

Agency

Sch COD


a Vemagiri II – Chilakaluripeta 765 kV D/C line with(i) SPV has been incorporatedVemagiri II Chilakaluripeta 765 kV D/C line with

240 MVAR switchable line reactor at both ends.incorporatedon 06.04.2015.(ii) RFQ has been issued on

b Chilakaluripeta – Cuddapah 765 kV D/C line with 240 MVAR switchable line reactor at both ends.

12.04.2015.

The transmission elements at(e) and (h) were identified forimplementation under

c Chilakaluripeta – Narsaraopeta 400 kV (quad) D/C line

dCuddapah – Madhugiri 400 kV (quad) D/C line with 80 MVAR switchable line reactor at both implementation under

compressed time schedulethrough regulated tariffmechanism by PGCIL.

d with 80 MVAR switchable line reactor at both ends.

e Cuddapah-Hindupur 400 kV (quad) D/C line with 80 MVAR switchable line reactor at Hindupur end.

PGCIL

fSrikaukulam Pooling Station – Garividi 400 kV (Quad) D/C line with 80 MVAR switchable line reactor at Garividi end.

gEstablishment of 2x1500 MVA, 765/400 kV substation at Chilakaluripeta with 2x240 MVARg substation at Chilakaluripeta with 2x240 MVAR bus reactors.

hEstablishment of 2x1500 MVA, 765/400 kV substation at Cuddapah with 2x240 MVAR bus reactors.

PGCIL

ANNEXURE IIIANNEXURE IIISRLDC

Delayed Transmission AdditionDelayed Transmission Addition

S. No. Transmission CorridorProposed

Commissioning Date

Actual/ Likely Commissioning

DateTransmission Constraint Caused

Date Date

1 400kV Edamon‐Cochin DC line Held up Mar‐16 220kV North ‐ South corridor of Kerala

2 400kV Mysore‐Kozhikode DC line ‐‐‐ Dec‐15Congestion on North Kerala connected lines

like 220kV Kadakola‐Kaniyampet.NCTPS‐II Evacuation: Alamathy‐Thiruvalam DC Congestion on 400kV Vallur evacuation

3NCTPS‐II Evacuation: Alamathy‐Thiruvalam DC

lineFeb‐11 Sep‐15

Congestion on 400kV Vallur evacuation system

4Stage‐1 Wind evacuation system of TNEB: 400kv Kanarapatty SS, 400kV Kanarapatty‐

Kayathar DC line‐ ‐

Congestion on 400/230kV Tirunelveli ICTs, 230kV Kayathar‐Tirunelveli, 230kV

Udayathur‐Tirunelvelli, 230kV Veerannam‐Kayathar DC line

Tirunelvelli etc

5400kV Gooty‐Madhugiri Dc &

400kV Madhugiri‐Yelhanka DC lineJun‐14 Uncertain

Constraints on Import from New grid toSR through 765kV Raichur‐Sholapur DC

line.

6400kV Salem pooling Station‐Salem

DC lineSep‐14 Sep‐15

Congestion on S1‐S2 Corridor7

400kV Somnahally ‐ Salem poolingStation DC line

Aug‐14 Dec‐15

Constraint on existing 400kV8 400kV Vijayawada‐Nellore DC line Nov‐14 Sep‐15

gVijayawada‐Nellore DC line, if Vemagiri

complex generation increases.

9 400kV Thiruvallam ‐Mettur D/c line Dec‐14 05.05.2015 Congestion on S1‐S2 Corridor

PLANNED TRANSMISSION SYSTEM TO RELIEVE CONGESTION IN SR

Wardha Angul

Sholapur

KhammamHyderabad

Kolhapur Srikakulam

Dec15

NunnaKarnool

Raichur

Vemagiri PS

Narendra New June15

Nov15

Nellore

GootyBTPS

Mar15

June16TBCB

Tiruvalam

Somanahalli

Dharmapuri

Madugiri YelahankaMar15

July 15 RowJul15June15

Mysore

Kojhikode

Nagapattinam PSSalemMTPS

Cochin

Dec15

Tuticorin PSRow

RowEdaman

Tirunelvelli

Planned Evacuation Scheme of Yeramarus(2x800MW) and Edlapur(1x800MW) Thermal power generation

GULBARGA

(2X800 MW)

To be constructed by KPTCL

(2X500MW)

( )YERAMARUS(1X800MW)

EDLAPUR RTPS• As informed in 27th SRPC meeting

held on 12.05.2015, most of the lines are in tendering stage

• Yeramarus TPS First Unit is in

BTPS PS

(2X500MW)BTPS

TALAGUPPA

(4X300 MW)JINDAL

GUTTUR

Yeramarus TPS First Unit is in advanced stage of commissioning

C.N.HALLIHASSAN NELAMANGALA

MADHUGIRI

GUTTUR

HASSAN NELAMANGALA

MYSORE

Generation DelayedGeneration Delayed

S. No Generating Unit Area/ StateProposed

Commissioning Date

Actual/ Likely Commissioning Date

Transmission Constraint Caused

1 Kudankulam Unit‐2 Tamilnadu Dec‐08Unit‐1 commissioned on 31.12.14 , Unit expected

in June‐15

Transmission congestion on North‐South corridor and S1‐

S2 corridor2 Neyveli TPSII Expn Unit‐1 Tamilnadu Feb‐09 05.07.2015

3 Neyveli TPSII Expn Unit‐2 Tamilnadu Jun‐09 22.04.2015

Transmission constraintsTransmission constraints

400kV Kolar‐Hosur DC line

North Chennai TPS St‐II both units and Vallur TPS 3 Units are synchronized & Declared CoD.Kadamparai Pump mode operation, Mettur area low generation and Drawal/Allocation to TamilNadu and Kerala is also causing high flow on these lines. S1‐S2 TTC is limited by N‐1 of theseNadu and Kerala is also causing high flow on these lines. S1 S2 TTC is limited by N 1 of theselines. This is a constraint for whole year.

1400Load Duration Curve of 400 kV Kolar‐Hosur D/C Line

APR 2015 MAY 2015 JUN 2015

1000

1100

1200

1300APR‐2015 MAY‐2015 JUN‐2015

Large quantum of LTA and MTOA i

500

600

700

800

900

MW

MTOA is granted to S2 constituents

100

200

300

400

500

00% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

% of Time

400kV Hiriyur‐Nelamangala DC liney gWith Full generation at Jindal TPS, Bellary TPS, Low generation at UPCL and high windgeneration, the flow on 400kV Hiriyur‐Nelamangala D/C line is above 550MW. Also the 765kVSholapur‐Raichur D/C line commissioned without downstream network (400kV Gooty‐Sholapur Raichur D/C line commissioned without downstream network (400kV GootyMadhugiri‐Yelhanka D/C line and its associated downstream 220kV network) is creating furtherincrease in the line flow. This is a constraint for whole year.

Load Duration Curve of 400 kV Hiriyur‐Nelamangala D/C Line

1100

1200

1300

1400Load Duration Curve of 400 kV Hiriyur Nelamangala D/C Line

APR‐2015 MAY‐2015 JUN‐2015

700

800

900

1000

MW

300

400

500

600

0

100

200

0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%% of Time

400kV Udumalpet‐Palakkad DC line

Kerala drawl is mainly through 400kV Udumalpet‐Palakkad D/C line. Presently the loadingon these lines is in the range of 450‐500 MW. This is a constraint for whole year.

1200

1300Load Duration Curve of 400kV Udumalpet‐Palakkad D/C Line

APR‐2015 MAY‐2015 JUN‐2015

800

900

1000

1100

400

500

600

700

MW

100

200

300

400

00% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

% of Time

400kV Nellore Pooling Station ‐ Nellore DC lineWith Full Generation at SEPL (600 MW) MEPL (300 MW) & TPCIL (660 MW) theWith Full Generation at SEPL (600 MW), MEPL (300 MW) & TPCIL (660 MW), the400kV NPS‐ Nellore D/C is usually around 1200 MW and it has reached up to1760 MW. With further commissioning of Units at MEPL and TPCIL, the problemwill aggravate In case of any outage on this line the N‐1 would be violated Thewill aggravate. In case of any outage on this line the N‐1 would be violated. TheThermal Limit of this line is 1748 MW. This is a new constraint which is not thereearlier.

Load Duration Curve of 400kV Nellore Pooling Station Nellore DC

14001500160017001800

Load Duration Curve of 400kV Nellore Pooling Station ‐ Nellore DC LineApr‐2015 May‐2015 Jun‐2015

800900

1000110012001300

MW

300400500600700800

0100200

0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%% of Time

400kV Jindal ‐ BTPS SC Line

With the full generation at Jindal TPS, 400kV Jindal‐BTPS S/C line is getting loadedbeyond 650 MW. Other evacuation paths are 400kV Jindal‐Guttur S/C line and TwoICTs But at 220kV side also generation (2 X 130 MW) is available This is a constraint forICTs. But at 220kV side also generation (2 X 130 MW) is available. This is a constraint forwhole year.

800Load Duration Curve of 400 kV Jindal‐BTPS S/C Line

APR‐2015 MAY‐2015 JUN‐2015

550

600

650

700

750APR 2015 MAY 2015 JUN 2015

350

400

450

500

550

MW

100

150

200

250

300

0

50

100

0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%% of Time

ICT constraintsICT constraints

600650

Load Duration Curve of 400/220kV Gazuwaka ICTs Flow (2x315 MVA) APR‐2015 MAY‐2015 JUN‐2015 N‐1 Contingency

250300350400450500550

MW

050

100150200250

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%% of Time

800

Load Duration Curve of 400/220kV Vemagiri ICTs Flow (2x315 MVA)APR‐2015 MAY‐2015 JUN‐2015

400450500550600650700750800

MW

050

100150200250300350

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

M

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

% of Time

650700

Load Duration Curve of 400/220kV Nellore ICTs Flow (2x315 MVA)APR‐2015 MAY‐2015 JUN‐2015

N‐1 Contingency

300350400450500550600650

MW

050

100150200250

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

% of Time

Load Duration Curve of 400/220kV Somanahalli ICTs Flow (2x500 MVA)

500550600650700750800850

/ ( )APR‐2015 MAY‐2015 JUN‐2015

N‐1 Contingency

100150200250300350400450500

MW

050

100

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%% of Time

700

Load Duration Curve of 400/220kV Mysore ICTs Flow (2x315 MVA)

APR‐2015 MAY‐2015 JUN‐2015

350400450500550600650

MW

APR 2015 MAY 2015 JUN 2015N‐1 Contingency

050

100150200250300

0% 10% 20% 30% 40% 0% 60% 0% 80% 90% 100%

M

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%% of Time

550

600 Load Duration Curve of 400/220kV Hiriyur ICTs Flow (2x315 MVA)APR‐2015 MAY‐2015 JUN‐2015

300

350

400

450

500

MW

N‐1 Contingency

50

100

150

200

250

300M

0

50

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%% of Time

Low Voltage nodesLow Voltage nodes

S. No NodesSeason/ Antecedent

ConditionsDescription of the constraints

Has the constraint occurred in

earlier quarter?

1 400kV Somnahally SS During peak load

conditionVoltages are low during the peak load condition Yes

2 400kV Nelamangala SS During peak load

conditionVoltages are low during the peak load condition Yes

3 400kV MDuring peak load

V lt l d i th k l d diti N3 400kV Mysoreg p

conditionVoltages are low during the peak load condition No

4 400kV Bidadi SSDuring peak load

condition Voltages are low during the peak load condition Yes

5 400kV Ud l SDuring peak load di i & hi h i d

Voltages are low during the peak load condition & high Y5 400kV Udumalpet Ss condition & high wind

period

g g p gwind period

Yes

6 400kV Salem SSDuring peak load

condition & high wind period

Voltages are low during the peak load condition & high wind period

Yesperiod

7 400kV Hosur SSDuring peak load


8 400kV Palakkad SsDuring peak load


9 400kV Trichur SSDuring peak load


10 400kV Cochin SSDuring peak load


435440

Duration Curve of 400 kV Somnahally VoltageAPR‐2015 MAY‐2015 JUN‐2015

405410415420425430

KV

375380385390395400

0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%% of Time

435440

Duration Curve of 400 kV Nelamangala VoltageAPR‐2015 MAY‐2015 JUN‐2015

405410415420425430

KV

375380385390395400

3750% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

% of Time

High Voltage nodesHigh Voltage nodes

S. No NodesSeason/ Antecedent

ConditionsDescription of the constraints

Has the constraint occurred in earlier quarter?quarter?

1 400kV Vijayawada SS Whole Year Voltages remain very high most of the time Yes2 400kV Vemagiri SS Whole Year Voltages remain very high most of the time Yes

3 400kV Gooty SS Monsoon period and off peak period

Voltages at Gooty, Karnool and Srisailam remain very high during monsoon period and off peak condition.

Yes

4 400kV Kurnool SS Yes4 400kV Kurnool SS Yes

5400kV Nellore Pooling Station

SSMonsoon period

and off peak periodVoltages remain very high most of the time Yes

6 400kV Satenapally Whole Year Voltages remain very high most of the time Yes7 400kV VTPS Stage 4 Whole Year Voltages remain very high most of the time Yes

8 400kV Ghanapur SSMonsoon period

and off peak periodVoltages remain very high most of the time Yes

9 400kV Mamidipally SS During off peak Voltages remain very high most of the time Yes10 400kV Srisailam LB SS During off peak Voltages remain very high most of the time Yes11 400kV Warangal SS During off peak Voltages remain very high most of the time Yesg g p g y g12 400kV Malkaram SS During off peak Voltages remain very high most of the time Yes

13 400kV Narendra SS Whole YearDuring Low generation period and off peak period 400kV Narendra

Voltage are High.Yes

14 400kV Trichy SS During off peakDuring Low wind condition and off peak condition Voltages are

No14 400kV Trichy SS During off peakvery High

No

15 400kV Sriperumbudur SS During off peak Voltages remain very high most of the time Yes16 400kV Thiruvallam SS During off peak Voltages remain very high most of the time Yes

17 400kV Karaikudi SS During off peakDuring Low wind condition and off peak condition Voltages are

very HighNo

very High

18 400kV Pugalur SS During off peakDuring Low wind condition and off peak condition Voltages are

very HighNo

19 765kV Raichur SSDuring off peak Voltages remain very high most of the time

Yes20 765kV Kurnool SS Yes21 765kV N ll PS Y

Complete Station outage for the month May

Status of Installation of reactors at certain 400kV Substations by APTRANSCO/TSTRANSCOAPTRANSCO/TSTRANSCO

Voltages from 10‐08‐2015 to 23‐08‐2015

430435

VTPS SDSTPS VEMAGIRI KTPS 410kV

415420425430

395400405410

395

5 00:00:28

5 11:00:28

5 22:00:28

5 09:00:28

5 20:00:28

5 07:00:28

5 18:00:28

5 05:00:28

5 16:00:28

5 03:00:28

5 14:00:28

5 01:00:28

5 12:00:28

5 23:00:28

5 10:00:28

5 21:00:28

5 08:00:28

5 19:00:28

5 06:00:28

5 17:00:28

5 04:00:28

5 15:00:28

5 02:00:28

5 13:00:28

5 00:00:28

5 11:00:28

5 22:00:28

5 09:00:28

5 20:00:28

5 07:00:28

5 18:00:28100% time Voltage > 410 kV

10‐08‐201

10‐08‐201

10‐08‐201

11‐08‐201

11‐08‐201

12‐08‐201

12‐08‐201

13‐08‐201

13‐08‐201

14‐08‐201

14‐08‐201

15‐08‐201

15‐08‐201

15‐08‐201

16‐08‐201

16‐08‐201

17‐08‐201

17‐08‐201

18‐08‐201

18‐08‐201

19‐08‐201

19‐08‐201

20‐08‐201

20‐08‐201

21‐08‐201

21‐08‐201

21‐08‐201

22‐08‐201

22‐08‐201

23‐08‐201

23‐08‐201

Voltages on 27‐08‐2015

420

425SEPL SDSTPS NTPL

415

420

405

410

100% ti V lt 410 kV

395

400100% time Voltage > 410 kV

15 00:00:00

15 00:46:00

15 01:32:00

15 02:18:00

15 03:04:00

15 03:50:00

15 04:36:00

15 05:22:00

15 06:08:00

15 06:54:00

15 07:40:00

15 08:26:00

15 09:12:00

15 09:58:00

15 10:44:00

15 11:30:00

15 12:16:00

15 13:02:00

15 13:48:00

15 14:34:00

15 15:20:00

15 16:06:00

15 16:52:00

15 17:38:00

15 18:24:00

15 19:10:00

15 19:56:00

15 20:42:00

15 21:28:00

15 22:14:00

15 23:00:00

15 23:46:00

27‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐27

‐Aug

‐

Augmentation of Transformer Capacities in SR

Sl Name of the Applicant Location of Generating Station Region LTA granted for Allocation in SR

NEW grid to SR LTA for June‐2016 (Tentative)Sl. No.

Name of the Applicant Location of Generating Station Region LTA granted for (MW)

Allocation in SR

(MW)

1 BALCO (1200 MW) Dharamjaigarh, Chhattisgarh WR 100 TN

2 Jindal Power Ltd. (2400 MW) Raigarh (Tamnar), Chhatisgarh WR 400 TN

3 KSK Mahanadi Power Co. Ltd (3600 MW)

Champa PS, Chhattisgarh WR 500 TN

4 DB Power Ltd. (500 MW) Raigarh (Kotra), Chhattisgarh WR 208 TN

5 Ind‐Bharat (Utkal) Power Limited Jharsuguda Pooling Station WR 500 TN

6 GMR EMCO Energy Ltd. ** Bhardravati, Maharashtra WR 150 TN

7 BALCO Dharamjaigarh, Chattisgarh WR 100 TN

8 Dhariwal Power LILO of Bhadravati‐Parli, Maharashtra WR 100 TN

9 KSEB(from Maithon Power) Maithon Power, Jharkhand ER 140.5 Kerala

10 Adhunik Power & Natural Resources Ltd.

Adhunik Power & Natural Resources Ltd.Jharkhand

ER100

TN

11 BESCOM West Bengal and Jharkhand ER 450 BESCOM

12 KSEB West Bengal ER 141.5 KSEB

Talcher Firm Share 1773

DVC Allocation 33

Solar Allocation 85Total 4781

Sl. Name of the Applicant Injection of Power MTOA Drawl of Power

NEW grid to SR MTOA for June‐2016 (Tentative)No.

pp jgranted for (MW)

Entity / Location of Gen. Station Region Entity / Location of Loads Region

1 SAIL ‐ VISP NSPCL, Bhilai, Chhattisgarh WR 4.55 SAIL‐VISP, Karnataka SR

2 SAIL VISP NSPCL Bhil i Chh i h WR 13 65 SAIL S l S l Pl T il N d SR2 SAIL ‐ VISP NSPCL, Bhilai, Chhattisgarh WR 13.65 SAIL, Salem Steel Plant, Tamil Nadu SR3 NTPC Vidyut Vyapar

Nigam LimitedCSPDCL, Chhattisgarh WR 297 KSEB, Kerala SR

4 Facor Power Ltd Facor Power Ltd., Bhadrak, Odisha

ER 10 Facor Alloys Ltd., Gariv idi, Andhra Pradesh

SR

5 Jindal Power Ltd Jindal Power Ltd WR 165 KSEB Ltd, Kerala SR

6 KSEB Ltd Maithon Power Ltd, ER 122 KSEB Ltd, Kerala SR

7 KSK Mahanadi Power KSK Mahandi Power Company WR 347 APEPDCL & APSPDCL, AP SRCompany Ltd Ltd, Chhattisgarh

8 PTC India Limited BALCO, Korba, Chhattisgarh WR 100 KSEB Ltd, Kerala SR

9 Jindal Power Limited Jindal Power Limited, Chh tti h

WR 59.5 TANGEDCO, Tamil Nadu SRChhattisgarh

Total 1118.7

Annexure - IV

Uravakonda Wind - AP

Transmission Elements Line Length

(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


Uravakonda 400kV S/s 4x315 MVA

+

80 MVAR BR

Jun-15 Aug-15 Work awarded to M/s.

TEEECL in 20.08.2013 &

work under progress

400 kV (Q) Uravakonda - Jammalmadugu

Jul-15 Oct-15 Work awarded on

23.01.2014 & under

progress

400 kV (Q) Uravakonda - Mahaboobnagar

190 kM Oct 15 35 SCPSPSR : Wind

project in Uravakonda

(1361 MW)

KfW funding 36th

SCPSPSR

400 kV (Q) Uravakonda– Hindupur

130 kM Tenders will be floated

shortly.

KfW funding 36th

SCPSPSR

400 kV Kondapur - Kurnool

35 SCPSPSR : Wind

project in Kondapur (1109

MW)

400 kV Uravakonda - Kondapur

35 SCPSPSR : Wind

project in Kondapur (1109

MW) &vUravakonda

(1361 MW)

Solar Power Park at Ghani/Panyam (1000 MW )Phase-I Works - AP Transmission Elements Line Length

(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


Phase-I ( 500 MW)

400/220kV Substation at Gani/Panyam

3x500 MVA APTRAN

SCO

Tenders opened on

20.04.2015 and under

analysis

2X125 MVAR BR

APTRAN

SCO

400 kV Kurnool -Gani/Panyam (Q) D/C

35 kM APTRAN

SCO

Tenders opened on

20.04.2015 and

under analysis 220 kV sub-pooling APTRAN

SCO

38th SCPSPSR – Details

to be furnished

Annexure - IV

Phase-II (500 MW)

Jammalamadugu/ Kondapuram - Gani/Panyam (Q) D/C

90 kM APTRAN

SCO

1000 MW Wind Power at Aspiri- AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


400/220kV Substation Aspiri

3x315 MVA APTRAN

SCO

2X125 MVAR BR

APTRAN

SCO

400kV Aspiri - Uravakonda(Q) D/C

APTRANSCO

220 kV sub-pooling APTRAN

SCO

38th SCPSPSR – Details

to be furnished

1500 MW NP Kunta Solar Project- AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


Phase-I 250 MW (NP Kunta) Dec 15

400/220 kV Substation NP

Kunta

3x500 MVA, May

2016

1x125 MVAR BR

±100 MVAR

STATCOM

LILO of 400KV

Kadapa(Cuddapah) - Kolar

S/c line at NP Kunta

May

2016

2 nos. 220kV line bays at NP

Kunta Pooling Station

May

2016

Phase-II 750 MW (NP Kunta) Sep 16

LILO of Kadapa(Cuddapah)

– Hindupur 400kV D/c (Q)

line at NPKunta

Aug 16


Kunta Pooling Station Aug 16

Phase-III500 MW (Galiveedu) Dec 16

Augmentation of

transformation capacity at

NP Kunta station

1x500 MVA Aug 16


Kunta Pooling Station

Aug 16

Annexure - IV

Kamuthi Solar(Max 100 MW injection)-TN


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


400/230 – 110 kV Substation

Kamuthi

3x315 MVA,

400/230 kV

TANTRAN

SCO

Sep 2016

2 x 200 MVA,

400/110 kV

400 kV Kamuthi – Karaikudi

(PG) (Q) D/C

230 kV Kamuthi –

Muthuramalingapuram

230 kV Kamuthi-Kavanoor

Samugarengapuram Wind (1800 MW existing + 300 MW) - TN


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


400/230 – 110 kV Substation

Samugarengapuram

3x315 MVA,

400/230 kV

Land to be identified

2 x 200 MVA,

400/110 kV

400 kV Samugarengapuram

– Udangudi D/C

LILO of 230 kV Kudankulam

– SR Pudur S/C at

Samugarengapuram

LILO of 230 kV Udayathur –

Sankaneri at

Samugarengapuram

230 kV Samugarengapuram

– Muppandal D/C

GREEN ENERGY CORRIDORS:- Inter State Transmission Scheme (ISTS) - Part – A


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


ISTS Part-A

400KV D/C Tirunelveli PS-

Tuticorin PS line-1 (Q)

11 kM PGCIL April 17

400KV D/C Tirunelveli PS-

Tuticorin PS line-2 (Q)

11 kM PGCIL April 17

400/220KV Tiruneveli PS.

(GIS)

2 x 500 MVA PGCIL April 17

400 kV Tirunelveli Pooling

Station

3x125 MVAR,

BR

PGCIL Agreed in 37th SCPSPSR

Annexure - IV

LTA to Wind Generators in Tirunelveli Area - Tamil Nadu


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


400/230 kV Tirunelveli

Pooling Station (GIS)

2x500 MVA PGCIL Work to

be

impleme

nted

after

LTA

Agreed in 37th SCPSPSR

2x125 MVAR,

BR


400 kV Tirunelveli PS –

Tuticorin PS 2 x D/C (Q)


Charging of Tuticorin –

Salem & Salem – Madhugiri

765kV lines &substationsat

its rated voltage 765 kV level

As discussed in 36th

SCPSPSR

230 kV Mytrah wind farms

300 MW –

Tirunelveli PS D/C

It was also decided that

after the Wind

Developers apply for

LTA as per the

CERCRegulations, 2009,

for at least 25% quantum

of their installed

capacity,connectivity and

LTA shall be granted and

transmission system

shall be taken upfor

implementation.

For connectivity as

discussed in 36th

SCPSPSR

230 kV Samimeru wind farms (4 x 48.5 MW) – Tirunelveli PS D/C

For connectivity as

discussed in 36th

SCPSPSR

230 kV RS India wind farms (270 MW) – Tirunelveli PS D/C

For connectivity as

discussed in 36th

SCPSPSR

400 kV Suzlon wind farms – Tirunelveli PS D/C

For connectivity as

discussed in 36th

SCPSPSR

Connectivity to Wind Generators in Coimbatore Area -Tamil Nadu


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


230 kV Suzlon (200 MW) switchyard –Pugalur D/C


after the Wind


LTA as per the



of their installed



transmission system


implementation.

For connectivity as

discussed in 36th

SCPSPSR

230kV Vestas wind farms (150 MW) – Udumalpet D/C

For connectivity as

discussed in 36th

SCPSPSR

Annexure - IV

Connectivity to Wind Generators in Anantpur Area – AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


220 kV Suzlon wind farms – Gooty D/C


after the Wind


LTA as per the



of their installed



transmission system


implementation.

For connectivity as

discussed in 36th

SCPSPSR

Renewables (KfW) Hindupur – AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch

COD

Ant COD/

Act COD


400/220kV Substation at Hindupur

3x315 MVA As agreed in 36th

SCPSPSR

80 MVAR As agreed in 36th

SCPSPSR 400kV DC Hindupur - Uravakonda

130 kM As agreed in 36th

SCPSPSR 220kV Hindupur-PenukondaD/C


SCPSPSR 220/132 kV Substations at Penukonda


SCPSPSR 220kV Hindupur to PampanurTanda ( TM ) D/C


SCPSPSR 220/132 kV Substation at PampanurTanda


SCPSPSR

Renewables (KfW) Jammalamadugu – AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


400/220/132kV Substation at Jammalamadugu


SCPSPSR

2X160 MVA As agreed in 36th

SCPSPSR 80 MVAR BR As agreed in 36

th

SCPSPSR

Annexure - IV

400kV Jammalamadugu - Kurnool (Q) D/C


SCPSPSR

400kV DC Jammalamadugu -Uravakonda (Q) D/C


SCPSPSR

220kV Jammalamadugu- TirumalaipallyD/C

17kM As agreed in 36th

SCPSPSR

220/132 kV Substation at Tirumalaipally


SCPSPSR

220kV Jammalamadugu- Betamcherla D/C


SCPSPSR

220/132/33 kV Substation at Betamcherla


SCPSPSR

2x31.5 MVA As agreed in 36th

SCPSPSR

220kV Jammalamadugu- Chakrayapet SS D/C

70 kM As agreed in 36th SCPSPSR

220/132/33 kV Substation at Chakrayapet


SCPSPSR

2x31.5 MVA As agreed in 36th

SCPSPSR

220kV Jammalamadugu- Porumamilla SS D/C


SCPSPSR

220/132 kV Substation at Porumamilla


SCPSPSR

Renewables (KfW) Uravakonda – AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


400/220kV Substation at Uravakonda


SCPSPSR

80 MVAR BR As agreed in 36th

SCPSPSR

400kV Uravakonda - Mahaboobnagar D/C

190 Km As agreed in 36th

SCPSPSR

220kV Uravakonda -Vajrakarur SS ( TM ) D/C


SCPSPSR

220/132 kV Substation at Vajrakarur


SCPSPSR 220kV Uravakonda- Borampalli( TM ) D/C


SCPSPSR 220/132 kV Substation at Borrampalli


SCPSPSR

Annexure - IV

Renewables (KfW) 220 kV Interconnectivities – AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


220kV Hindupur 400kV -Hindupur220kV D/C


SCPSPSR 220kV Uravakonda SS -KalyanDurgD/C


SCPSPSR LILO of both the circuits of 220kVUravakonda–KalyanDurgat 220kV Borampalli SS


SCPSPSR

220kV Jammalamadugu- TadipatriD/C


SCPSPSR

Renewables (KfW) 132 kV Interconnectivities – AP


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


Penukonda- 132/33 kV Penukonda SS


SCPSPSR Jammalamadugu - 132/33 kVJammalamadugu SS


SCPSPSR Porumamilla to 132/33 kV Porumamilla SS


SCPSPSR 220kV Jammalamadugu- TadipatriD/C


SCPSPSR

Renewables (KfW) Intra-state – Karnataka


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch

COD

Ant COD/

Act COD


400/220 kV Dhoni S/S 2x500 MVA 36 SCPSPSR: Line survey is underprogress Earlier agreed in 3 SCPSP SR (16.04.2012)

LILO of S/C400 KV line Davanagere- Guddadahally at Dhoni


SCPSPSR

Earlier agreed in 3 SCPSP

SR (16.04.2012) LILO of 220KV D/C Gadag-Lingapur at Dhoni


SCPSPSR 220/66 kV Shivanasamudram S/S


SCPSPSR

Annexure - IV

LILO of 220KV D/C T.K.Hally and Madhuvinahallyat Shivanasamudram S/S

4 kM 36 SCPSPSR: Line survey to betaken up

Conversion of existing 220 kV Hootagally –Vajamangala – T.K. Halli S/Cline to D/C line with Drakeconductor


SCPSPSR

220/66 kV Hosadurga S/S 2x100 MVA As agreed in 36th

SCPSPSR By extending 220 KV D/C line from the existing 400/220KV station at Hiriyur to Hosadurga

84 kM 36 SCPSPSR: Line survey

to betaken up

220kV D/C Gadag-Bagalkote& LILO of one of the220kV D/C line Bidnal - Lingapur.

191.4 kM 36 SCPSPSR: DPR ready

Conversion of 220kV SC to DC Guttur-Chitradurga.

170 kM 36 SCPSPSR: DPR ready

Conversion of 220kV SC to DC Chitradurga-Hiriyurand 2nd 220 KV S/C line between 400/220 KV & 220/66 KVstations at Hiriyur.

120 kM 36 SCPSPSR: DPR ready

LILO of one of the circuit 220KV D/C Narendra - Haveri atBidnal.

24 kM 36 SCPSPSR: Line survey to betaken up

Conversion 66kV DC line‘Coyote ACSR’ to ‘Drake ACSR’ Sakalespura-Hassan.

72 kM 36 SCPSPSR: DPR under progress

Renewables (KfW) Phase I – Tamil Nadu

Transmission Elements Line

Length

(ckm)/

MVA

Capacity

Implementing

Agency

Sch

COD

Anticipat

ed COD


Thappugundu400/110 KV SS in Theni area

5 x 200 MVA

M/s BHEL,

New Delhi

04.12.14

/

30.09.15

March

2016

Works under progress.

63 MVAR Reactor

As agreed in 36th SCPSPSR

Anaikadavu400/230-110 KV SS in Udumalpet area

400/230 kV 2 x 315 MVA

M/s BHEL,

New Delhi

04.12.14

/30.09.1

5

March

2016


400/110 kV 2 x 200 MVA

Annexure - IV

Rasipalayam400/230-110 kV SS in Udumalpet area

400/230 kV 2 x 315 MVA

M/s Alstom T

& D India

Limited,

Chennai

15.11.15

March

2016


400/110 kV 2 x 200 MVA

63 MVAR Reactor


Kanarpatty400/230-110 KV SS in Tirunelveliarea

400/230 kV 2 x 315 MVA

March

2016


400/110 kV 2 x 200 MVA

March

2016


LILO of one circuit of Thappagundu -Anikadavu 400KV D /C Line at Udumalpet(PGCIL)

25 kM As agreed in 36th SCPSPSR

Tendering activities underway.

Agreement signed for bay

provision with PGCIL . Thappagundu- Anaikadavu 400 KV Twin DC

358 ckm M/s. KEC

International

Ltd, Gurgaon

31.05.15 March

2016

Works are under progress.

Anaikadavu- Rasipalayam 400 KV Twin DC

86 ckm M/s. KEC

International

Ltd, Gurgaon

13.08.14

/31.05.1

5

March

2016

Works are under progress.

Rasipalayam - Palvadi (SS) 400 KV Quad DC

386 ckm M/s Larsen

and Toubro

Ltd, Chennai

31.05.15 March

2016

Work under progress

Kanarpatti – Tirunelveli(PGCIL) 400 KV Quad S/C

15 kM March 2016

Work under progress

As agreed in 36th SCPSPSR Kanarpatty – Kayathar 400 KV D/C Twin line

12 kM March 2016

Work under progress


Renewables (KfW) Phase II – Tamil Nadu


(ckm)/ MVA

Capacity

Implemen

ting

Agency

Sch COD Ant COD/

Act COD


Thenampatty400/230 KV SS inTirunelveli area

400/230 kV 4 x 315 MVA

18

months

from

date of

award

Price bid opened on

20.08.2015

As agreed in 36th

SCPSPSR


SR (16.04.2012)

Annexure - IV

Vagarai400/230-110 KV SS in Udumalpetarea

400/230 kV 4 x 315 MVA

Not

consider

ed at

present

As agreed in 36th

SCPSPSR


SR (16.04.2012) 400/110 kV 2 x 200 MVA

As agreed in 36th

SCPSPSR


SR (16.04.2012) Thenampatty-Kayathar 400 KV Quad D/C

112 ckm Techno

Commer

cial

tender

analysis

under

progress

As agreed in 36th

SCPSPSR


SR (16.04.2012) Thenampatty-Koilpatty 400 KV Quad D/C

110 ckm As agreed in 36th

SCPSPSR

Vagarai - Rasipalayam 400 KV Twin D/C

100 kM Not

consider

ed at

present

As agreed in 36th

SCPSPSR

Vagarai – Udumalpet (PGCIL) 400 KV Twin D/C

40 kM Not

consider

ed at

present

As agreed in 36th

SCPSPSR

Salem – Palvadi (Singarapet) 400 KV D/C Quad Line

90 kM Subject to availability of bays at Salem PS PGCIL

As agreed in 36th

SCPSPSR

Rasipalayam- Palvadi (Singarapet) 400 KV D/C Quad line

390 ckm Board note for placing order submitted

As agreed in 36th

SCPSPSR


SR (16.04.2012)

Kayathar – Tuticorin Auto 230 KV D/C Line

110 ckm Work awarded on 30.06.15 Fifteen months from date of award

Sep 2016 As agreed in 36th

SCPSPSR Veeranam-Tirunelveli 230 KVDC Line

30 km As agreed in 36th

SCPSPSR Veeranam- Kodikurichi 230 KV D/C Line


SCPSPSR Ingur-Thiruppur 230 KV D/C Line


SCPSPSR

Arasur- Thiruppur 230 KV D/C line

As agreed in 36th

SCPSPSR Arasur- Gobi (MC patty) 230 KV DCline


SCPSPSR Cuddalore- Neyveli 230 KV DC line

360 ckm As agreed in 36th

SCPSPSR

Annexure - IV

Neyveli- SP Koil 230 KV DCline

As agreed in 36th

SCPSPSR OK Mandapam- Thudiyalur 230 KV DC Line


SCPSPSR Sembatti-Madurai 230 KV DCline


SCPSPSR Villupuram - Neyveli 230 KVDC line


SCPSPSR Sembatty SS 2X100 MVA Contract

awarded on 25.08.2015 Eighteen months from date of award

Feb 2017 As agreed in 36th

SCPSPSR Anupankulam SS 2X100 MVA As agreed in 36th

SCPSPSR Cuddalore SS 2X100 MVA As agreed in 36th

SCPSPSR Pudhukottai SS 2X150 MVA As agreed in 36th

SCPSPSR Tiruvanamalai SS 2X150MVA As agreed in 36th

SCPSPSR Villupuram SS 2X100MVA As agreed in 36th

SCPSPSR

Documents

· 2015. 10. 26. · This Raigarh Station would be implemented with extended bus of Raigarh(Kotra) existing 400kV S/S. The in 26t SRPC meeting. ¾Regulated tariff HVDC Station would