ANNEXURE-I

ATTENDANCE SHEET

5TH

MEETING OF NATIONAL RELIABILITY COUNCIL FOR ELECTRICITY ON 09.02.2015

1

S.NO Name & Designation

(Sh/Smt)

Organization Contact No. e-Mail ID

1. P.K. PAHWA, MEMBER

(GO&D)

CEA 9818243524 Pkpahwa2000@yahoo.com

2. A.R. ABHYANKAR, IIT

DELHI

IIT DELHI 9711288083 abhyankar @ee.iitd.ac.in

3. S.R. NARASIMHAN,

AGM

NLDC, POSOCO 9971117022 srnarasimhan@posoco.in

4. K.V.S. BABA GM, NLDC, POSOCO 8527607575 kvsbaba@posoco.in

5. RAJEEV KUMAR NRPC 9313772943 rajeev.kumar@gmail.com

6. P.K.MISHRA, MS NERPC 9968380242 pkmishra.y31@gmail.com

7. S.R. BHAT, MS SRPC 9845451121 msrpc@yahoo.com

8. VIKAS SAKSENA JINDAL POWER LTD

(Representative of IPPAI)

9971200857 vikas.saksena@jindalsteel.com

10. MUKESH KHANNA POWERGRID 9910378098 mkhanna@powergridinda.com

ANNEXURE-I

ATTENDANCE SHEET

5TH

MEETING OF NATIONAL RELIABILITY COUNCIL FOR ELECTRICITY ON 09.02.2015

2

11. D.K.SRIVASTAVA,

DIRECTOR

GM DIVISION, CEA 9560763305 gmcea@nic.in

12. PANKAJ BATRA, CE ,RA

& F&CA

CEA 9350981062 pankaj_batra@hotmail.com

13. D.K. MEENA, DEPUTY

DIRECTOR, RA

CEA 9968031130 dharmendrak2000@rediffmail.com

ScopeType=Power TransformersProduct=Phase Shifters,PST - Phase Shifting Transformer

Special=Special

Siemens E T TR - Confidential Page 1 of 6 2/9/2015 10:54 AM

Reference List

Year CountryQuan-

tity

RatedPower 1

[MVA]

HighVoltage

[kV]

NumberOf

PhasesType

Fre-quenc

y[Hz]

1959 Australia 1 60 MVA 132 kV 3 PST - Phase Shifting Transformer 50 Hz1962 Austria 1 120 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1967 Austria 1 130 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz1967 Austria 1 80 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz1970 Austria 1 100 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz1972 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1973 Austria 1 130 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz1974 Austria 2 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1975 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1975 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1976 Austria 2 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1976 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1976 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1978 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1978 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1979 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1979 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1979 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1980 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1981 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1981 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1982 Austria 1 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1982 Austria 2 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1982 Austria 1 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1982 Austria 2 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1982 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1983 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1983 Austria 1 200 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1983 Austria 1 150 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz1984 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1985 Austria 1 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1985 Austria 2 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1985 Austria 2 300 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1985 Austria 1 150 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz

Siemens E T TR - Confidential Page 2 of 5 2/9/2015 10:54 AM

Reference List

Year CountryQuan-

tity

RatedPower 1

[MVA]

HighVoltage

[kV]

NumberOf

PhasesType

Fre-quenc

y[Hz]

1987 Austria 2 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1987 Austria 2 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1987 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1987 United States 1 56 MVA 115 kV 3 PST - Phase Shifting Transformer 60 Hz1988 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1988 Austria 1 120 MVA 230 kV 3 PST - Phase Shifting Transformer 50 Hz1990 Austria 1 600 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz1993 United States 2 650 MVA 525 kV 3 PST - Phase Shifting Transformer 60 Hz1994 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1994 Austria 2 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1995 Austria 4 400 MVA 400 kV 1 PST - Phase Shifting Transformer 50 Hz1995 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1995 Austria 1 300 MVA 220 kV 3 PST - Phase Shifting Transformer 50 Hz1997 United States 1 100 MVA 115 kV 3 PST - Phase Shifting Transformer 60 Hz1998 United States 2 672 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz1999 United States 1 234 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz1999 United States 1 234 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2002 Poland 2 500 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2002 United States 1 165 MVA 115 kV 3 PST - Phase Shifting Transformer 60 Hz2002 United States 2 650 MVA 525 kV 3 PST - Phase Shifting Transformer 60 Hz2005 Switzerland 2 400 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2005 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2005 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2005 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2006 United States 1 700 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz2006 United States 1 525 MVA 345 kV 3 PST - Phase Shifting Transformer 60 Hz2006 United States 1 300 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2006 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2009 United States 1 150 MVA 138 kV 1 PST - Phase Shifting Transformer 60 Hz2009 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2009 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2009 United States 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2009 United States 1 150 MVA 138 kV 1 PST - Phase Shifting Transformer 60 Hz2010 United States 1 700 MVA 230 kV 1 PST - Phase Shifting Transformer 60 Hz

Siemens E T TR - Confidential Page 3 of 5 2/9/2015 10:54 AM

Reference List

Year CountryQuan-

tity

RatedPower 1

[MVA]

HighVoltage

[kV]

NumberOf

PhasesType

Fre-quenc

y[Hz]

2010 United States 1 700 MVA 230 kV 1 PST - Phase Shifting Transformer 60 Hz2010 United States 1 700 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz2010 United States 1 700 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2011 United States 1 700 MVA 230 kV 1 PST - Phase Shifting Transformer 60 Hz2011 United States 1 700 MVA 230 kV 1 PST - Phase Shifting Transformer 60 Hz2011 United States 1 700 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz2011 United States 1 700 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz2011 Brazil 1 150 MVA 138 kV 3 PST - Phase Shifting Transformer 60 Hz2011 Slovenia 1 600 MVA 400 kV 1 PST - Phase Shifting Transformer 50 Hz2011 Slovenia 1 600 MVA 400 kV 1 PST - Phase Shifting Transformer 50 Hz2012 Germany 1 450 MVA 110 kV 1 PST - Phase Shifting Transformer 50 Hz2012 Germany 1 450 MVA 110 kV 3 PST - Phase Shifting Transformer 50 Hz2012 Switzerland 1 66 MVA 49 kV 3 PST - Phase Shifting Transformer 50 Hz2013 France 1 426 MVA 225 kV 3 PST - Phase Shifting Transformer 50 Hz2013 United States 1 700 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz2013 Bangladesh 2 140 MVA 235 kV 3 PST - Phase Shifting Transformer 50 Hz2014 United States 1 575 MVA 345 kV 3 PST - Phase Shifting Transformer 60 Hz2014 Germany 1 200 MVA 110 kV 3 PST - Phase Shifting Transformer 50 Hz2014 United Kingdom 1 240 MVA 132 kV 3 PST - Phase Shifting Transformer 50 Hz

Siemens E T TR - Confidential Page 4 of 5 2/9/2015 10:54 AM

Reference List

Year CountryQuan-

tity

RatedPower 1

[MVA]

HighVoltage

[kV]

NumberOf

PhasesType

Fre-quenc

y[Hz]

2014 United Kingdom 1 240 MVA 132 kV 3 PST - Phase Shifting Transformer 50 Hz2014 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2014 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2014 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2014 Switzerland 1 267 MVA 420 kV 1 PST - Phase Shifting Transformer 50 Hz2014 Germany 1 220 MVA 380 kV 3 PST - Phase Shifting Transformer 50 Hz2015 Germany 1 1,200 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2015 Poland 1 1,200 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2015 Poland 1 1,200 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2015 Poland 1 1,200 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2015 Poland 1 1,200 MVA 400 kV 3 PST - Phase Shifting Transformer 50 Hz2015 United States 1 420 MVA 230 kV 3 PST - Phase Shifting Transformer 60 Hz

Siemens E T TR - Confidential Page 5 of 5 2/9/2015 10:54 AM

Fifth Meeting of the National Reliability

Council for Electricity9.2.2015

AGENDA

1. Finalising the operational guidelines for the system operator for calculation of TTC and

ATC. (Draft Guidelines would e-mailed shortly, after attending to observations of

POSOCO).

2. Information to participants on status of funding of NRCE.

3. Injection TTC from W3 bid area (POSOCO is requested to make a presentation on the

same).

4. Any other matter with the permission of the Chair.

Operational guidelines for the system operator for calculation of TTC and ATC�The Ampacity and MW loading (assuming unity power factor) has been calculated for normally used conductors, i.e. Moose, ACSR Bersimis, Zebra and Panther, for every 20C temperature drop below 450C, for maximum temperature of 750C and 850C, as applicable, and is given in the form of Tables at Annexure.

�Since the ambient temperature over the length of the line may vary somewhat, it is proposed that, considering the maximum temperatures, as forecast by Indian Metrological Department (IMD) for the next day, at the two ends of the line.

�There is also a site for temperatures of all places in India, namely “Accuweather”, which predicts temperature for the month ahead, week ahead, day ahead as well as temperatures during the day. These temperatures are more or less in line with the IMD forecast.

Operational guidelines for the system operator for calculation of TTC and ATC�POSOCO may consider the Monthly Mean Maximum and Minimum Temperature of the IMD based on 1901-2000 data, while calculating TTC, ATC and TRM on a three month ahead basis, considering the nearest town to where the line is located, and add 50C to the Monthly Mean Maximum and Minimum Temperature for safety. This climate normal data is available for nearly 100 stations at IMD website at http://www.imd.gov.in/doc/climateimp.pdf. For the month ahead basis, the Accuweather temperatures may be used for the exact site, adding 20C to the maximum and minimum temperatures for safety. This may be revised when needed, i.e. due to outage of an element or otherwise, using the Accuweather forecast after adding 20C to the maximum and minimum temperatures for safety.

�The voltage and power factor may be considered for converting Ampacity to MW.

ACCUWEATHER FORECAST

Phase Shifters

Phase Shifters

Operational guidelines for the system operator for calculation of TTC and ATC�The SPS must be considered for the purpose of calculation of TTC and ATC, when used

for n-1-1 criteria, and for n-1 criteria (in situations, wherein Long Term Access (LTA)

itself has been granted with SPS).

Thank You

W3 Zone

Transfer Capability

W3 Bid Area (18th Sep 2012)

NSPCL

JINDAL

Raigarh

Rourkela

Sterlite

BalcoKorba(E)

Korba

Korba(W)

SIPA

T

Raipur

Bhatapara

Bhilai

Bhadrawati

Koradi

Wardha

Seoni

Bilaspur

Bina

Satpura

Khandwa

LANCO

ACBL

Raigarh

Budhipadar

Ranchi

BalcoVandana

MahanVindhyachalBirsinghpur

Pendra

Amarkantak

Commissioning of Generating Units in W3

(Mar’11 – Aug’12)

• Units synchronized/COD since March 2011:

– KORBA-III: 500 MW in March 2011

– Sterlite-1: 600 MW in March 2011

– Lanco Amarkantak-2: 300 MW in May 2011

– Sterlite-3: 600 MW in August 2011

– SIPAT UNIT-1: 660 MW in October 2011

– ACBIL-1: 135 MW in October 2011

– JSPL-3: 135 MW in Nov 2011

– JSPL-4: 135 MW in March 2012

– ACBIL-2: 135 MW in March 2012

– Sterlite-4: 600 MW in April 2012

– SIPAT UNIT-2: 660 MW in May 2012

– SIPAT UNIT-3: 660 MW in August 2012

• 5120 MW added in eighteen (18) months in W3 zone

As on 18th Sep 2012

Operationalization of Bid Area W3

• Two Meetings held between CERC, NLDC and Power Exchanges

– 3rd Sep 2012

– 12th Sep 2012

• Declaration of Margins for W3 by NLDC

– Declaration of the TTC/ATC for W3 since 7th Sep 2012

• Operational

– Since 18th Sep 2012

Interconnecting Lines from W3 (as on 18th Sep 2012)

S. No. Axis Name of the Line kVLength in ckt

kmType of conductor Configuration

1 W3-W1 Bhilai - Seoni (LILO portion) 400 230 ACSR Moose Twin

2 W3-W1 Bilaspur - Seoni I 765 337 Bersimis Quad

3 W3-W1 Bilaspur - Seoni II 765 338 Bersimis Quad

4 W3-W1 Mahan (Essar) - Korba 400 196 ACSR Moose Twin

5 W3-W1 Vindhyachal - Korba-II 400 289 ACSR Moose Twin

6 W3-W1 Amarkantak-Kotmikala-1 220 61 ACSR Zebra Single

7 W3-W1 Amarkantak-Kotmikala-2 220 61 ACSR Zebra Single

8 W3-W2 Bhilai - Bhadrawati 400 322 ACSR Moose Twin

9 W3-W2 Bhilai - Koradi 400 272 ACSR Moose Twin

10 W3-W2 Raipur - Bhadravati-I 400 333 ACSR Moose Twin

11 W3-W2 Raipur - Bhadravati-II 400 346 ACSR Moose Twin

12 W3-W2 Raipur - Bhadravati-III 400 346 ACSR Moose Twin

13 W3-ER Starlite - Rourkela-I 400 113 ACSR Moose Twin

14 W3-ER Raigarh - Rourkela III 400 209 ACSR Moose Twin

15 W3-ER Raigarh - Rourkela IV 400 209 ACSR Moose Twin

16 W3-ER Sipat-Ranchi - I 400 406 ACSR Moose Twin

17 W3-ER Sipat-Ranchi - II 400 406 ACSR Moose Twin

18 W3-ER Balco-Birsinghpur 400 236 ACSR Moose Twin

19 W3-ER vandana-Birsinghpur 400 215 ACSR Moose Twin

20 W3-ER Starlite - Rourkela-II 400 113 ACSR Moose Twin

21 W3-ER Korba East-Budhipadar-2 220 176 ACSR Zebra Single

22 W3-ER Korba East-Budhipadar-Q 220 176 ACSR Zebra Single

23 W3-ER Raigarh PG-Budhipadar-1 220 105 ACSR Zebra Single

W3 Zone TTC

S. No. New Transmission lines TTC (MW)

1 Since Inception i.e., 18th Sep 2012 7000

2

From: January 2013

Commissioning of 400 kV Raipur-Wardha D/C with 40%

Series Compensation at Wardha end

8000/8500

3

From: 6th April 2013

Revised due to change in power flow pattern consequent to

upgradation of Bina-Gwalior-Agra D/C section from

400 kV to 765 kV and other new generating units addition

9000/9500

4 From: 1st October 2014 to Till date 9500/9900

Transmission lines commissioned Within &

Emanating from W3 Zone

S. No. Name of the lineDate of

CommissioningRemarks

1 400 kV Raipur-Wardha D/C 31.12.2012Emanating from

W3

2 765 kV Bilaspur-Dharamjaigarh S/C 30.03.2014 Inside W3

3 765 kV Dharamjaigarh - New Ranchi S/C 31.03.2014Emanating from

W3

4 765 kV Dharamjaigarh - Durg S/C 21.05.2014 Inside W3

5 765 kV Dharamjaigarh - Jharsuguda D/C 29.07.2014Emanating from

W3

6 765 kV Durg - Kotra D/C31.01.2014/

01.02.2014Inside W3

7 765 kV Durg - Wardha Ckt-2 11.11.2014Emanating from

W3

8 765 kV Durg - Wardha Ckt-1 15.11.2014Emanating from

W3

New Transmission lines commissioned on

ER-NR corridor

S. No. Name of the lineMonth of

Commissioning

1 400 kV Maithon-Gaya D/C January 2015

2 400 kV Koderma-Biharshariff D/C January 2015

3 400 kV Koderma-Gaya D/C January 2015

4 765 kV Gaya-Balia S/C January 2015

Tower Collapse, Hotspot and Jumper snap events in WR

(Period: April 2013 to Jan2015)

S No.Lines Tripped on Tower Collapse

Outage Restoration Collapsed

towers

owned byTime Date Time Date

1 400 kV Korba (NTPC)-Raipur(PG) ckt-3 15:06 29-Jun-14 16:16 14-Jul-14 POWERGRID

2 400 kV Korba (NTPC)-Raipur (PG) ckt-4 15:06 29-Jun-14 16:34 14-Jul-14 POWERGRID

3400 kV Deepnagar (MSETCL) - Taptithanda

(MSETCL)15:26 11-Jun-14 22:41 16-Jun-14 MSETCL

4400 kV Aurangabad (Waluj MSETCL) -

Taptithanda (MSETCL)15:26 11-Jun-14 22:35 16-Jun-14 MSETCL

5 400 kV Parli (PG)-Pune (PG) ckt-1 17:32 04-Jun-14 19:53 23-Jun-14WRTPL

(Reliance)

6 401 kV Parli (PG)-Pune (PG) ckt-2 17:32 04-Jun-14 20:04 23-Jun-14WRTPL

(Reliance)

7400 kV Parli (MSETCL)-Lonikhand2

(MSETCL)ckt-II18:13 04-Jun-14 19:44 08-Jun-14 MSETCL

8220 kV Bina (MP)-Mahalgaon (Gwalior)_MP

-117:41 24-Mar-14 21:27 31-Mar-14 MPPTCL

9220 kV Bina (MP)-Mahalgaon

(Gwalior)_MP-217:41 24-Mar-14 21:27 31-Mar-14 MPPTCL

10 400 kV Kolhapur (MSETCL)-Solapur (PG) -1 19:38 10-Mar-14 19:58 21-Mar-14WRTPL

(Reliance)

Tower Collapse, Hotspot and Jumper snap events in WR

S

No.Lines Tripped on Tower Collapse

Outage Restoration Collapsed

towers

owned byTime Date Time Date

11 400 kV Kolhapur (MSETCL)-Solapur (PG)-2 19:38 10-Mar-14 08:46 21-Mar-14WRTPL

(Reliance)

12 400 kV Solapur (PG)-Solapur (MSETCL) S/C 19:50 26-Feb-14 20:22 17-Mar-14WRTPL

(Reliance)

13 400 kV Solapur (PG)-Karad (MSETCL)-S/C 19:50 26-Feb-14 22:45 17-Mar-14WRTPL

(Reliance)

14 220 kV Bachau (GETCO)-Halwad (GETCO) -1 22:50 16-Feb-14 19:41 30-Apr-14 GETCO

15 220 kV Bhachau (GETCO)-Halwad (GETCO) -2 22:50 16-Feb-14 19:41 30-Apr-14 GETCO

16 400 kV Kolhapur (MSETCL)-Solapur (PG) D/C 17:00 20-Sep-13 10:31 29-Oct-13WRTPL

(Reliance)

17 400 kV Deepnagar(MSETCL)-Waluj (MSETCL) 09:06 19-Oct-13 09:54 29-Nov-13 MSETCL

18 400 kV Bhilai (CPTCL)-Bhatapara(PG) 17:44 03-Jun-13 11:59 13-Jun-13 POWERGRID

19 400 kV Vindhyachal-Jabalpur-4 11:02 29-Apr-13 20:39 03-Jul-13 POWERGRID

Constraints in Western Region

• As on today, we are observing the higher loadings on the following lines when the

Maharashtra Drawal is more than 6500-7000 MW from GRID.

– 400kV Wardha-Parli D/C

– 400kV Parli-Sholapur D/C

– 400kV Aurangabad-Aurangabad D/C

– 400kV Aurangabad-Bableshwar S/C

– 400kV Aurangabad-Pune D/C

– 400 kV 2*1500 MVA, 765/400 kV ICT at Aurangabad(PG)

– 400kV Bableshwar-Padghe D/C etc..

• In order to control the higher line loadings, creating of a bid area for Maharashtra

with TTC of Maharashtra & GOA as mentioned below would relieve:

Constraints in Southern Region

• 400 kV Kolar-Hosur D/C is critically loaded whenever the S1-

S2 drawal exceeds 3000 MW.

• 400 kV Udumulpet-Palakkad D/C is also critically loaded

whenever the Drawal of Kerala exceeds 1700-2000 MW from

Grid.

• A separate control area (S3) for KERALA would relieve the

400kV Udumulpet-Palakkad D/C line loading.

Import TTC for Maharashtra control area

• WRLDC communications regarding declaration of import

TTC for Maharashtra area

– 1st Communication dated: 18.12.13

– 2nd Communication dated: 06.02.14

– 3rd communication dated: 03.02.15

• Till now, no communication received from Maharashtra

regarding the same.

New Transmission lines required

• Prioritization list forwarded by POSOCO in Feb 13

and Feb 14

S.

No.Name of the transmission line

Anticipated

Commissioning

date

1 765 kV Sholapur (PG) - Pune (PG) S/CJan 2015 (severe

ROW issue)

2 765 kV Aurangabad (PG) - Padghe (PG) D/CMay 2015

3 400 kV Bableshwar-Kudus D/CSep 2015

4 765 kV Aurangabad (PG) - Sholapur (PG) D/C beyond 2016-17

5 765 kV Wardha-Nizamabad-Hyderabad D/C beyond 2016-17

Conclusion

• Creation of a separate control area for

Maharashtra & Goa with a limit on import TTC

of Maharashtra & Goa.

• Creation of a separate control area for Kerala

with a limit on import TTC of Kerala.

• New transmission lines as given in the

previous slide shall be given highest priority.