National Transmission And Dispatch Company (NTDC)

NATIONAL TRANSMISSION & DESPATCH COMPANY

MUMMAD DAUD

GENERAL MANAGER PLANNING

NTDC

NTDC’s PRESENT SYSTEM, FUTURE PLANS, BOTTLENECKS & KPIs

PRESENTATION BY

SEQUENCE OF PRSENTATION

1. General- WAPDA/PEPCO- Structure & Roles

2. NTDC system capacity

3. Future challenges & Target

4. NTDC expansion plan

5. Bottle necks

6. Key performance indicators

3

General- WAPDA/PEPCO- Structure & Roles

4

Pakistan Water and Power Development Authority (WAPDA)

WAPDA was formed in 1958. The major responsibilities of WAPDA were; – Meet electricity demand of the country (except area of Karachi) by

installing new power plants, transmission lines and distribution system.

– Develop hydro storage project ( dams) for meeting irrigation and demand of the country and install hydro plants at dams locations.

WAPDA consisted of two segments : Power Wing: For meeting electricity demand and responsible for generation, transmission and distribution. Water Wing : For developing hydro projects for irrigation requirements.

5

6

PAKISTAN POWER SECTOR: BACKGROUND

1. The GoP approved Pakistan Power Sector Strategic Plan for

restructuring and reform in 1992, according to which, the power wing of

WAPDA was structured into four (4) Generation Companies (GENCOs),

one (1) National Transmission and Dispatch Company (NTDC) and nine

(9) Distribution Companies (DISCOs).

2. PEPCO was established in 1998 as an independent entity with mandate

to restructure Pakistan Power Sector, corporatise & commercialize the

restructured entities, and to bring about reforms thru introduction of

competition, enhancement of efficiencies and best financial and prudent

utility practices.

3. PEPCO initiated the restructuring and reform process in 1998 with

limited initial success. The reform process was considerably slowed

down beyond 2001 when PEPCO was reduced to a Division in WAPDA.

4. The GoP reactivated the mandate of PEPCO in October 2007 to bridge

the increasing demand supply gap and to reduce the resulting load

shedding in the country. 6

Chairman WAPDAChairman WAPDA MD PEPCOMD PEPCO

PEPCO Management Team

PEPCO Management Team

WATER WING

WATER WING

FINANCEWING

FINANCEWING

POWERWING

POWERWING

COMMONSERVICESCOMMONSERVICES

RESIDUAL WAPDA WINGS PART

TRANSITION TO CORPORATE

ENTITIES

WATER WATER HYDELFINANCEHYDEL

FINANCEHYDELPOWERHYDELPOWER SERVICESSERVICES

RESTRUCTURED POWER WING

RESTRUCTURED POWER WING

GENCOsGENCOs NTDCNTDC DISCOsDISCOs

(4) (1) (9)

• HOSPITALS• ACADEMY• ETC

AUTONOMOUS COMPANIES WITH INDEPENDENT COMMERCIAL OPERATIONS THROUGH BOD

MEMBERS: Hydel power, Finance, Water

MEMBERS: Hydel power, Finance, Water

GOP/MW&PGOP/MW&P Chairman PEPCOChairman PEPCO

NEW FACE OF PAKISTAN’S POWER SECTORNEW FACE OF PAKISTAN’S POWER SECTOR

7

National Transmission and Dispatch Company Ltd.

National Transmission & Despatch Company (NTDC) Limited was incorporated on 6th November, 1998 and commenced commercial operation on 24th December, 1998. It was organized to take over all the properties, rights and assets, obligations and liabilities of 220 KV and 500KV Grid Stations and Transmission Lines/Network owned by Pakistan Water and Power Development Authority (WAPDA). .

8

NTDC Structure

NTDC segments.

1. Transmission Network Operator (TNO)2. System Operator (SO) 3. Central Power Purchasing Agency (CPPA)4. Contract Registrar and Power Exchange

Administrator (CRPEA)

9

NTDC system capacities

10

Length of Transmission LinesYear 500kV (circuit kM) 220kV (circuit kM)

1980 315 2101

1985 1239 2422

1990 1863 2922

1995 3315 3848

2000 4094 5498

2005 4344 6993

2010 5078 7366

11

Growth in Length of Transmission Lines (NTDC)

12

No MVA No1980 0 0 51985 2 1350 101990 6 4974 141995 7 6774 182000 9 8274 242005 9 8274 262010 12 14850 26*

No. & Capacity of Substations (NTDC)

*1 No. 220 KV gird station was added & 1No. 220 KV Grid station was converted to 500 KV

13

500- KV Substations 220- KV Substations

Growth of Transmission System capacity –MVA

(NTDC)

14

Year T&T Losses (%) Remarks

2005 7.63 Includes losses of 132 kV Sys

2006 7.26 Includes losses of 132 kV Sys

2007 3.80 500 & 220 kV only

2008 3.48 500 & 220 kV only

2009 3.58 500 & 220 kV only

2010 3.12 500 & 220 kV only

15

NTDC T&T LOSSES

Future challenges & Targets

17

Future Required Generation Capacity

Year Peak Demand (MW)

Gen Capacity Required (MW)

Gen Capacity Planned (MW)

2010 20101 25126 21388

2011 21705 27131 22697

2012 23441 29301 23788

2013 25306 31633 26279

2014 27438 34298 29405

2015 29463 36829 33630

2016 31672 39950 42530

2017 33154 41443 45338

2018 35568 44460 50034

2019 38557 48196 53284

2020 41783 52229 57470

18

PEPCO System Historical Data / ForecastHistorical PMS

Peak Peak Difference

Years ( MW ) (MW) (%)

1999-00 9289 9311 0.24

2000-01 9718 9736 0.18

2001-02 10922 10243 -6.21

2002-03 10484 10799 3.00

2003-04 11078 11398 2.80

2004-05 12035 12087 0.43

2005-06 13212 12916 -2.20

2006-07 15138 15213 0.50

2007-08 16838 16480 -2.10

2008-09 17252 17867 3.50

2009-10 17847 19451 8.9019

EXISTING GENERATING CAPACITY (Oct, 2010)

* Hydro availability based on last 5 years average ** Excludes 10% Forced Outages for GENCOs & 6.0% for IPPs & Rental

Type of Generation

Nameplate/Installed Capacity

(MW)

Derated/Dependable

Capacity (MW)

Availability (MW)

Summer Winter

WAPDA Hydro 6444 6444 6250 2300*

GENCOs 4829 3580 2780 3222**

IPPs (incl Nuclear) 7911 7695 5750 6900**

Rental 62 60 60 60**

Total 19246 17779 14840 12482

20

FUTURE GENERATION PROJECTS SYSTEM (Up to Year 2020)

23

NTDC Expansion plan

NTDC ONGOING DEVELOPMENT PROJECT

SR.NO.

NAME OF SUBSTATIONSTRANSFORMER CAPACITY (MVA)

ASSOCIATED TRANSMISSION LINES

EXPECTED COMMISSIONING

1 Ext. at 500 kV Sheikh Muhammadi

1x450 - Dec, 2010

2Ext. at 500 kV Tarbela. 1x237 - Dec, 2010

3 Ext. at 220 kV Bannu1x160 -

June, 2011

4 Augmentation of 220 kV at N.K.L.P Lahore

3x250 - T2 & T3 CommissionedT1: Dec. 2011

5 Upgradation of existing 132 kV to new 220 kV GIS Wapda Town Lahore.

3x160 220 kV Lahore - K.L.P D/C In/Out at Wapda Town. (10+10 km)

G/station commissioned T/Line by Mar.

2011

6 New 220 kV GIS Bandala

2x160 220 kV Gatti - K.S.K D/C In/Out at Bandala. (5+5 km) Dec, 2011

7 Installation of SVCs at 220 kV N.K.L.P. Lahore.

SVCs Static Var Compensators of appropriate capacity. Dec, 2011

SR.NO.NAME OF

SUBSTATIONSTRANSFORMER CAPACITY (MVA)



8 Looping In/Out of 220 kV G/Barotha-S/Bagh T/L at Mardan -

Looping in & out of one circuit of Ghazi Barotha – Shahi Bagh at Mardan (30 km)

Mar, 2011

9 Extension/Augmentation at existing substations:

- Dec, 2011

500 kV Dadu 1x450

1x160

220 kV Burhan 1x160

220 kV Mardan 1x250

500 kV Sheikh Muhammadi 1x160

500 kV New Rewat 1x250

220 kV Shikarpur1x160 Commissioned

10 220 kV Okara3x250

220 kV Yousafwala - Sarfaraz Nagar D/C In/Out at Okara. (5 + 5km)

Dec, 2011

11 220 kV Toba Tek Singh/Gojra

3x250 220 kV Faisalabad-Multan D/C In&Out at T.T.Singh/Gojra. (1+1 km)

Dec, 2011

NTDC ONGOING DEVELOPMENT PROJECTS

SR.NO.

NAME OF NEW SUBSTATIONS

TRANSFORMER CAPACITY

(MVA)



12 Installation of SVC at Quetta

SVC Static Var Compensators of appropriate capacity Jun, 2012

13 Ext. at Ghazi Brotha for addition of 600 MVA 500/220 kV T/F.

1x600 -

Jun, 2011

14 220 kV Loralai 2x250 220 kV D.G Khan – Loralai (250 km) Dec, 2012

15 Augmentation of 220 kV Ravi at Lahore.

3x250March, 2011

16 500kV D.G Khan Substation.

2x6002x250

500kV Guddu-Multan 2nd cct In/Out at D.G. Khan substation(20+20) km Dec, 2012


SR.NO.


TRANSFORMER CAPACITY

(MVA)



17 220 kV Rohri New for interconnection of IPPs at Engro Energy PP and Mari (Dharki) CCPP

2x250 220 kV D/C T/L Dharki CCPP– Rohri New (115 km)

Dec, 2011

132 kV D/C T/L for In/Out of Rohri-Khairpur/Gambat D/C T/L at Rohri New (1+1 km)

220kV D/C Rohri New-Shikarpur T/L (50 km)

220 kV D/C T/L for In/Out of Dharki -Rohri New at Engro CCPP (5+5 km)

132 kV Rohri New-Gambat D/C T/L (53 km)

18 220 kV Gridstation at Khuzdar,

2x160220kV D/C Dadu – Khuzdar Transmission Line (300 km) Dec, 2011

19 220 kV Grid Station at Ghazi Road, Lahore

3x160 220 kV D/C T/L for In&Out of NKLP – Sarfraz Nagar at Ghazi Road. (30 km)

Dec, 2012

220 kV D/C T/L for In&Out of Ravi– KSK at Ghazi Rd. (30 km)


SR.NO.


T/F CAPACITY

(MVA)



20 220 kV Grid Station at Kassowal along with associated 220kV D/C T/Lines.

2x160 220 kV D/C Transmission Line for In&Out of Vehari – Yousafwala at Kassowal. (45+45 km) Jan, 2012

21 220 kV GIS substation at Gwadar

2x160 220 kV D/C T/L from Pak-Iran border to Gwadar (100 km) Jun, 2012

22 500 kV R.Y.Khan 2x600 500 kV Guddu - Multan 3rd Circuit In/Out at R.Y.K (30+30 km) Jun. 2012

23220 kV GIS Shalamar (Mehmood Buti)

3x250220 kV Ravi-KSK D/C In/Out at Shalamar (9km long overhead T/L) & (3+3km) cable Jun.2012


S.#Name of Project

Transfor-mer

Capacity(MVA)

ASSOCIATED TRANSMISSION

LINES

Estimated Cost

(Rs. in Million)

Eqt. US$ in Million

Approval by

ECNECFinancing

Expected commissi-

oning

1220 kV Gujrat

3x250220 kV Mangla-Ghakkar D/C In/Out at Gujrat (2+2 km)

2805 33 22.10.2007 JICA 2011-12

2220 kV Chishtian

2x250220 kV Vehari - Chishtian D/C T/Line. ( 65 km)

3740 44 22.10.2007 JICA2011-12

3 500 kV New Lahore

2x750 Two 500 kV S/C T/Lines for In/out of 500 kV Sahiwal – Lahore S/C at Lahore New (15+15 km)

12665 149 PC-I cleared by CDWP on 18.03.2010

JICA 2012-13

Two 500 kV S/C T/Lines for In/out of 500 kV Lahore – Gujranwala S/C at Lahore New (50+50 km)

220 kV D/C T/Line for In/out of 220 kV NKLP-Ghazi Road at Lahore New. (50 km)

220 kV D/C T/Line for In/out of 220 kV NKLP-Wapda Town at Lahore New. (54km)

NTDC FUTURE PROJECTS WHERE FINANCING HAS BEEN LINED UP

S.# Name of Project

Transfor-mer

Capacity(MVA)


LINES

Estimated Cost

(Rs. in Million)

Eqt. US$ in

Million

Approval by ECNEC

Financing

Expected Year of

commissi-oning

4- 500 kV Shikarpur

2x600

Two 500 kV S/C T/Lines for In/out of 500 kV Dadu-Guddu circuit No:1 at Shikarpur (20+20 km)

8160 96

Pc-I Cleared

by CDWP on

18.03.2010

JICA 2012-13Two 500 kV S/C T/Lines for In/out of 500 kV Dadu-Guddu circuit No:2 at Shikarpur. (22+22 km)

220 kV D/C for In/Out of 500/220 kV Guddu – Sibbi S/C at Shikarpur (50 km)


S.#Name of Project

Transfor-mer

Capacity(MVA)


LINES

Estimated Cost (Rs. in Million)

Eqt. US$ in

Million

Approval by ECNEC Financing

Expected Year of

commissi-oning

5-

2nd source of supply to Islamabad University

-

220 kV D/C T/L for In/out of Manshera-Islamabad T/L (40 km)

1105 13PC-I under preparatio

nADB Tr-IV 2012-13

6-

2nd Source of supply to Hala Road Grid Station

-

220 kV D/C T/L from T.M Khan Road to Hala Road (30 km)


nADB Tr-iV 2012-13

7-220 kV Nowshera 2x160 - 850 10 06.02.2008 ADB Tr-iV 2012-13

8- 220 kV Chakdara

2X250220 kV Chakdara – Mardan (85 km)


nADB Tr-iIV 2013-14


S.# Name of Project

Transfor-mer

Capacity(MVA)

ASSOCIATED TRANSMISSI

ON LINES

Estimated Cost (Rs. in Million)

Eqt. US$ in

Million

Approval by ECNEC

Financing

Expected Year of

commissi-oning

9-

Augmentation of 500 & 220 kV existing substations

-

3825 45

PC-I submitted to GoP in Aug,2010

ADB Tr-I (Ext-II) 2011-12

500 kV Rewat 1x750 -

500 kV Sh. Muhammadi

4x250 -

220 kV Mardan 2x250 -

220 kV Burhan 4x250 -

220 kV Bund Rd

4x250 -

220 kV Bahawalpur 2x250 -

220 kV Quetta Industrial

2X250 -


S.#`

Name of Project

Transfor-mer

Capacity(MVA)


LINES

Estimated Cost (Rs.

in Million)

Eqt. US$ in Million

Approval by ECNEC

Financing

Expected Year of

commissi-oning

10- 220 kV Mirpur Khas 2x160

220 kV D/C T/L from Hala Rd. to .M.Khan Rd. (10 km)In/Out of one circuit of above 220 kV proposed T/L at Mirpur Khas New (70 km).

2975 35 PC-I under preparation ADB Tr-IV 2013-14

11- 220 kV Taxila. 2x250In/Out of 220 kV Burhan - ISPR S/C at Taxila. (6 km)

2295 27 PC-I under preparation ADB Tr-IV 2013-14

12- 220 kV Manshera 2x160

In/out of 220 kV Alai Khawar-Sangjani T/L at Manshera (0.5+.0.5 km)

1105 13 PC-I under preparation

Iranian Loan 2013-14

13- 220 kV D.M Jamali

1x1601x100

in/out of 220 kV Uch-Guddu S/C at D.M. Jamali (5 km)

850 10PC-I

submitted to GoP

PM’s Fund 2013-14

14-

Interconnection of 1200 MW AES Imported coal based Power Plant near Karachi (Part-I)

-

500 kV Jamshoro--R.Y.K (535 km)500 kV Moro-Dadu (55 km)

25330 298

PC-I cleared by CDWP

on 18.03.2010

ADB Tr-III 2015-16


SR#.


T/F CAP. (MVA)


ESTIMATED COST* (Rs.in

Million)

Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

1- 220 kV Chakwal2x160

In/out of 220 kV Mangla-Rewat S/C at Chakwal (50 km)

2890 34 2012-13

2- 220 kV GIS Jhang Rd. Faisalabad 2x250

220 kV Samundri Rd. – Jhang Rd. D/C T/L (40 km) 2975 35 2012-13

3- 220 kV Chiniot. Industrial 2x250

220 kV Gatti - Ludewala D/C In/Out at Chiniot Industrial. (2+2 km)

2380 28 2012-13

4- 220 kV Shadman

2x250

220 kV D/C cable from Shadman to Bund Road (30 km)

4250 50 2012-13

5- 220 kV D.I Khan 2x250 220 kV D/C T/Line for In/out of 220 kV Chashma Nuclear – Ludewala S/C at D.I Khan (100 km)

3825 45

2012-13

7- 220 kV Gharo2x250

220 kV Gharo – T.M Khan Road ((130) 4590 54 2012-13

NTDC FUTURE PROJECTS FOR WHICH FINANCING IS REQUIRED

SR#.


T/F CAP. (MVA)


ESTIMATED COST (Rs.in Million)

Eqt. US$ in Million

REQUIRD YEAR OF

COMMISSIO-NING

8- 220 kV Jhimpir2x250

In/Out of 220 kV Gharo – T.M Khan Road at Jhimpir (65 km)

3230 38 2012-13

9- 220 kV Mastung 2x250

220 KV Mastung Sibbi (120 km) 4080 48 2013-14

10- 220 kV Jamrud`2x250

220 kV Jamrud – Sh. Muhammadi (10 km) 1445 17 2013-14

11- 500 kV Faisalabad New 2x750

In/out of 500 kV Muzaffargarh – Gatti 1st circuit at at Faisalabad new (1+1 km) 6630 78 2013-14

2x250220 kV Faisalabad New – T.T Singh D/C T/Line (70 km)

12- 220 kV M-3 Industrial Estate Faisalabad 2x250

220 kV M3 Industrial Estate – Faisalabad New (70 km)

In/Out of 220 kV Faisalabad New - M3 Industrial Estate at 220 kV Chinot Industrial New (30 km)

3570 42 2013-14


SR#.


T/F CAP. (MVA)



Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

13- 500 kV Peshawar New

2x750

In/out of Tarbela – Sh. Muhammadi at Peshawar New (2+2 km)

In/Out of 220 kV Sh. Muhammadi-Shahibagh at Peshawar New (5 km)

5440 64 2014-15

14- 220 kV Kohat

2x250

220 kV Kohat – Peshawar New (50 km)

220 kV Kohat – Bannu (150 km)

5950 70 2014-15

15- 220 kV Islamabad I-10 2x250

In/Out of 220 kV Rewat – Islamabad University D/C at Islamabad I-10 (30+30 km)

2635 31 2014-15

16- Ext. at 220 kV Gujrat 1x250

-425 5 2014-15

17- 220 kV Kamalabad 2x250

In/out of Rewat – Islamabad Peshawar Rd. at Kamalabad (5+5 km)

1445 17 2015-16


SR#.


T/F CAP. (MVA)



Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

18- Ext. at 500 kV Gujranwala 1x600

-1700 20 2015-16

19- Ext. at 500 kV Lahore New 1x750

-2040 24 2015-16

20- 220 kV Kamra2x250

In/out of 220 kV Tarbela – Taxila at Kamra (5 km) 1275 15 2015-16

21- 220 kV Iqbal Town 2x250

In/Out of 220 kV Lahore – Wapda Town D/C at Iqbal Town (20+20 km)

2125 25 2015-16

22- 220 kV Gujranwala

New2x250

In/Out of 220 kV Mangala – K.S.K at Gujranwala New (20 km)

220 kV Nokhar - Gujranwala New (50 kM)

2890 34 2015-16

23- 220 kV Pindi Bhattian 2x250

220 kV Pindi Bhattian Ind. – Gujranwala (50 km) 2380 28 2015-16

24- 220 kV Head Faqirian 2x250

220 kV Head Faqirian – Ludewala (60 km) 2380

282015-16


SR#.


T/F CAP. (MVA)



Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

25- 220 kV Joharabad 2x250

In/out of 220 kV D/C Ludewala –Chashma at Jauharabad (5+6 km)

1445 17 2015-16

26- 220 kV Alizai2x250

220 kV Kohat – Ali zai D/C (110 km) 3825 45 2015-16

27- 2nd Source of supply to 220 kV Chakwal substation

-

In/out of 220 kV Mangla -Rewat 2nd circuit at Chakwal (60 km) 1530 18 2015-16

28- 2nd Source of supply to 220 kV Bhawalpur

substation

-

220 kV R.Y.K – Bahalawlpur D/C T/L (150 km)

3825 45 2015-16

29- 220 kV Arif Wala 2x250

In/Out of 220 kV Yousafwala – Kassowal D/C at Arifwala (5+5 km)

1445 17 2015-16

Total: 82620 972


SR#.


T/F CAP. (MVA)



Eqt. US$ in Million

REQUIREDYEAR OF

COMMISSIO-NING

1-Power Dispersal from 747 MW CCPP at Guddu

-

500 kV Guddu New PP – M. Garh (256 km)

In/Out of Guddu – Multan at New Guddu (10+10 km)

7735 91 2012-13

2- Dispersal of Power from Uch-2

- 220 kV Uch-II – Sibbi D/C (125 km)

2975 35 2012-13

3-

UAE Combined Cycle power plant at GTPS Faisalabad

1x160In/out of existing 220 kV T/lines at Proposed power plant

1700 20 2012-13

4-

Interconnection of 1200 MW AES Imported coal based power near Karachi (Part-II)

500 kV switch

ing station at

Matiari

500 kV S/C T/Line from AES Power Plant to Matiari switching station (200 km)

In/Out of 500 kV Hub-Jamshoro S/C T/Line at AES (45+45 km)

In/out of 500 kV Jamshoro-R.Y.K at Matiari (5+5 km)

14450(PC-I

cleared by CDWP on 18.3.10)

170 2015-16

POWER DISPERSAL PROJECTS FOR THERMAL POWER PLANTS

SR#.


T/F CAP. (MVA)


ESTIMATED COST (Rs.in

Million)

Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

5-

Interconnection of 1200 MW Engro & 1200 MW PEPCO’s Thar Coal Based Power Plants at Thar

-

500 kV D/C T/L form Thar coal power plants to Matiari (275 km)

500 kV HVDC Matiari –Lahore/ Faisalabad T/L (1100 km)

Terminal Stations at both ends

88400 1040 2015-16

6

Interconnection of 1200 MW Imported coal based PPIB and 1000 MW Imported Coal based PEPCO’s power Plants at Karachi

-

Two 500 kV circuits from Power Plants to Matiari (200 km each)

500 kV HVDC Matiari –Lahore/Faisalabad T/L (1100 km)

Extension of Terminal Stations at both ends

85000 1000 2015-16


SR#.


T/F CAP. (MVA)



Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

7-Import of 1000 MW Power from Iran -

Two 500 kV HVAC S/C T/Lines from Zahidan to Quetta with series compensation (198 km)

Switching station at Zahidan, Quetta and midpoint between Zahidan & Quetta

40120 472 2015-16

8-

Import of 1000 MW Power from Tajikistan (CASA-1000)

-

500 kV HVDC T/L from Pak-Afghan Border to Peshawar (71 km)

500 kV Converter Station Peshawar

16065 189 2015-16

9-Dispersal of Power from 340 MW Chashma-III

-

220 kV Chashma New – Bannu (125 km)

In/out of 220 kV D.I. Kahan – Jahurabad S/C at Chashma New (1 km)

3000 35 2016-17


SR#.


T/F CAP. (MVA)



Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

10-

Interconnection of 2x1000 MW Nuclear Power Plants at Karachi

-Three 500 kV Circuits from Nuclear Plants to Matiari (200 km each)

25500 300 2018-19

Total 284945 3352


SR#.


T/F CAP. (MVA)


LINES

ESTIMATED COST

(Rs.in Million)

Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

1-

Dispersal of Power from 969 MW Neelum Jhelum Hydro Power Project to Rawat & Gujranwala

-

500 kV Neelum Jhelum – Rawat S/C T/Line (110 km).

500 kV Neelum Jhelum – Gujranwala S/C T/Line (235 km)

19125 225 2015-16

2-Dispersal of Power from 720 MW Karot HPP

-

500 kV Karot – Lahore New (270 km)

In/Out of 500 kV Neelum Jhelum – Gujranwala at Karot (10 km)

13250 156 2015-16

3-Power Dispersal of 740 MW Munda HPP

-

In/Out of 220 kV Peshawar – Shahi Bagh at Munda (35 km)

850 10 2016-17

LIST OF POWER DISPERSAL PROJECTS FOR LARGE HYDRO POWER PLANTS

SR#.


T/F CAP. (MVA)


LINES

ESTIMATED COST

(Rs.in Million)

Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

4-

Dispersal of Power from 1100 MW Kohala Hydro Power Project to Gujranwala

Three 500 kV line bays at Kohala

One 500 kV line bay at Gujranwala

500 kV 225 km long Kohala – Gujranwala S/C T/L

Two 500 kV T/Lines 15 km each for in/out of 500 kV Neelum Jhelum – Gujranwala at Kohala

11000

129 2017-18

5-

Dispersal of Power from Karot HPP (Phase-II)

-

500 kV Kohala – Karot – Gujranwala (240 km)

In/out of 500 kV Neelum Jhelum – Karot circuit at Kohala (4+4)

11820 139 2017-18


SR#.


T/F CAP. (MVA)


LINES

ESTIMATED COST

(Rs.in Million)

Eqt. US$ in Million

REQUIRED YEAR OF

COMMISSIO-NING

6-

Dispersal of Power from 4500 MW Diamer Basha HPP to Lahore with interconnection at Dasu and Gujar Khan

765 kV HVAC substations at Gujar Khan & Lahore with 765/500 kV 3x500 MVA T/Fs

500 MVAR SVC at Gujar Khan

Three 765 kV HVAC T/Ls from Basha to Gujar Khan (407 km long each)

Two 765 kV HVAC T/Ls from Gujar Khan to Lahore (260 km long each)

113900 1340 2018-19


SR#.


T/F CAP. (MVA)


LINES

ESTIMATED COST

(Rs.in Million)

Eqt. US$ in Million

REQUIREDD YEAR OF

COMMISSIO-NING

7-

Dispersal of Power from 5400 -7000 MW Bunji Hydro Power Project to Lahore with interconnection at Gujar Khan

765 kV HVAC substatin extn at: Basha, Dasu, Thakot, Gujar khan Lahore

765 kV new substation at Bunji.

2 x 765 kV HVAC 110 km long Bunji - Basha S/C T/Lines

1x765 kV HVAC 759 km long Bunji –Dasu-Thakot-Gujar Khan-Lahore S/C T/Lines

126225 1485 2019-20

Total 296170 3484


PC-I for dispersal of Power from Neelum Jhelum HPP has been approved by ECNEC

Studies are being carried out to ascertain the interconnection schemes for the projects at Sr. No: 2 to 7

BOTTLE NECKS

48

Bottle Necks

• At present no major system constraints • Intermittent over-loading of transformers at

some places being addressed by addition of following transformation capacities up to 2014-15– 500/220 KV 11400 MVA– 220/132 KV 19330 MVA

49

50

• For huge future development the bottle necks would be

1. Availability of finance

2. Responsibility of dispersal from power plants & uncertainty of generation project.

• Capacity of 1. Planning department

2. Local Consultant

3. Local contractors

• Inconducive Law & order situation for foreign consultants and contractors.

KEY PERFORMANCE INDICATORS

51

Reference documents

• NTDC GRID CODE (JUNE 2005)• NEPRA PERFORMANCE STANDARDS

(TRANSMISSION) RULES (NOV. 2005)

52

KEY PERFORMANCE INDICATORS1.System Reliability• Transmission System incl. Tie Lines

a) System Duration of Interruption

= A/Nwhere

A= sum of the total outage hours recorded at all the interconnection points (other than 132 kV line tripping) in a period

N = Number of monitoring points (Interconnection Point)

Tie lines means interconnection facility for the transfer of electric power between the licensee and other utilities not governed by the Act.

53

KEY PERFORMANCE INDICATORS1. System Reliability

b)System Frequency Interruption

= A/NWhere

A= sum of the total outage hours recorded at all the interconnection points (other than 132 kV line tripping) in a period

N= Number of circuits

54


2. System Security

(Energy not served)

= ∑ Pi x TWherePi = Power interrupted in MW in a circuit

T = Time Duration in Hours

55


3. Quality of SupplyA) System Voltage Variation Grid

PerformanceCode Standard

-500 kVUnder Normal Conditions -5 +8% -+ 5% Under N-1 Conditions -+10% -+ 10%



56

THANKS

57

National Transmission And Dispatch Company (NTDC)

Engineering

Transcript of National Transmission And Dispatch Company (NTDC)