Services & Initiatives

Operation And Maintenance (O&M)

NTPC has consistent track record of high availability and plant load factor (PLF) across plants based on diverse technologies. NTPC has emphasized predictive & preventive maintenance systems to achieve this track record.

Services covered under Environmental Engineering and Management include the following:

  • Plant start-up including prescribing pre-operational checks
  • Station management services for Operation & Maintenance services for Coal based and Gas based, Combined Cycle plants 
  • Development of Operation and Maintenance Management Systems & computerization
  • Supervision of Equipment Repairs and Unit Overhaul 
  • Laboratory tests & field tests 
  • State-of-the-art Operation and Maintenance training for coal based and gas based units 
  • Performance Analysis and Optimization 
  • Condition Monitoring of critical equipment 
  • Fuel Management 
  • PG test/capacity test
  • Energy audit

Experience in Operation & Maintenance of other stations:

Sl.No. Client's Name Name of the projects Services Provided Year
139 Jindal Power Ltd Rajgarh, Chattisgarh Consultancy Services for Inspection of Unit #1 Boiler of M/s Jindal Power Limited (JPL), Raigarh, Chattisgarh. 2011
138 MSPGCL Khaparkheda TPS & Bhusawal TPS Consultancy Services to MSPGCL for Commissioning Support during synchronization & PG Test witnessing for 1x500 MW Khaparkheda TPS & 2x500MW Bhusawal TPS 2011
137 Haldia Petrochemicals Limited Naptha Cracker unit, Haldia Consultancy Services to Haldia PL for Study of steam flow problem in Turbines of Naphtha Cracker Unit ,Haldia (WB) 2011
136 MSPGCL Power Stations of MSPGCL Consultancy services to MSPGCL for "O&M management support for implementation of Performance Improvement Plan". 2011
135 WBPDCL Power Stations of WBPDCL Consultancy services for “Setting up Maintenance Planning and operation efficiency Department at Power Stations of WBPDCL”. 2011
134 BPSCL BPSCL Plant, Bokaro Consultancy services to BPSCL for performance improvement of various departments in BPSCL Plant, Bokaro 2011
133 ST-CMS ST-CMS Electric Company Pvt. Ltd, Neyveli Consultancy Services to M/s ST-CMS Electric Company Pvt. Ltd, Neyveli for technical audit of Heat Rate Test & its Evaluation system 2011
132 NSPCL 2X60 MW Durgapur TPS Consultancy services to NSPCL for deployment of OS expert for overhauling of APH of NSPCL-Durgapur (2X60 MW) 2010
131 IPGCL 2X67.5 MW Rajghat TPS Consultancy services to IPGCL for conducting post overhaul performance / efficiency test of 2X67.5 MW units of Rajghat Power station 2010
130 WBPDCL Five Power stations of WBPDCL(Bakreshwar, Bandel, Kolaghat, Santaldih & Sagardighi stations) Consultancy services to WBPDCL for setting up of Maintenance Planning & Operation efficiency dept. at their Power stations. 2010
129 DVC Four Power stations of DVC (Bokaro-B, Durgapur, Mejia & Chandrapura) Consultancy services to DVC for Technical audit, Gap analysis and Performance Improvement Plan (PIP). 2010
128 APPCC 445 MW & 370 MW Gas based Power Projects at Vemagiri & Konaseema Consultancy services to APPCC for witnessing of Reliability capacity test of 445 MW & 370 MW Gas based Power Projects at Vemagiri & Konaseema 2010
127 MPPGCL Birsinghpur TPS, Satpura TPS, Amarkantak TPS & HQ (at Jabalpur) Consultancy services for site deployed experts for O&M management support for various units of Birsinghpur TPS, Satpura TPS Amarkantak TPS & HQ (at Jabalpur) of MPPGCL 2010
126 UPCL 1200 MW UPCL Power Project Consultancy services to M/s Udipi Power Corporation for witnessing of Capacity test of 1200 MW UPCL Power Project 2010
125 GSECL 75 MW Kutch Lignite TPS Consultancy services to GSECL for PG tests of U#4 (75 MW) of Kutch Lignite TPS 2010
124 APPCC 1X500 MW Dr. Narla Tata Rao TPS, Stage IV, Vijaywada, AP Consultancy services by deputauion of NTPC-OS experts to witness capacity test of Dr. Narla Tata Rao TPS, Stage-IV 2010
123 WBPDCL 5 Power Stations of WBPDCL Consultancy services to WBPDCL for O&M Management support in Performance Improvement Programme at five stations of WBPDCL. 2010
122 GSECL 1470 MW Wanakbori TPS & 870 MW Gandhinagar TPS Consultancy services to GSECL for Technical audit, Gap analysis and Performance Improvement Plan (PIP) of 1470 MW  2009
121 GSECL 374.571 MW Utran CCPP-II Witnessing PG test for 374.571 MW Utran CCPP-II 2009
120 GSECL 850 MW Ukai TPS Consultancy services for Technical audit of 850 MW Ukai Coal based TPS, Gujarat 2009
119 Abhijeet MNEPL 4 X 61.5 MW units  Consultancy services for development of O&M systems for its 4X61.5 MW units TPS 2009
118 HPGCL 2 X 600 MW TPP, Hissar Consultancy services for review of PG test Procedures / Reports and witnessing of PG Test at site for 2 X 660 MW RGTPP, Hissar 2009
117 UPRVUNL Paricha TPS Consultancy services for Performance Improvement of Paricha TPS. 2009
116 WBPDCL 5 Power Stations of WBPDCL Consultancy services to WBPDCL for Gap Analysis and Engineering declaration of BANDEL, BAKRESHWAR, KOLAGHAT,  2009
115 MAHAGENCO 250 MW Unit # 6, Parli TPS  Consultancy services to MAHAGENCO for technical support to resolve turbine high vibration problem for 250 MW Parli-Unit # 6 2009
114 RRVUNL 250 MW Unit # 1, Suratgarh STPS Consultancy Services for carrying out tests for assesing Performance and Condition Monitoring of furnace, mills, APH and associated ducts, turbines and condensers of 250 MW Unit-1 of SSTPS, Suratgarh 2009
113 MPPGCL 3 Power Stations of MPPGCL Consultancy services to MPPGCL for performance improvement of various units of Satpura, Birsinghpur & Amarkantak thermal power stations 2009
112 TVNL 2 X 210 MW Tenughat TPS Cosultancy Services for Performance improvement through O&M management support for effective O&M  2009
111 MAHAGENCO 7 Power Stations of MAHAGENCO Consultancy Services for Gap analysis and Performance Improvement Plan (PIP) (Koradi-7 units, Nasik TPS-5 units, Parli TPS-6 units, Chandrapur TPS-7 units, Bhusawal TPS-3 units, Paras & New Paras TPS-2 units, Khaperkheda TPS-4 units) 2009
110 RRVUNL Giral TPS at Barmer Providing of two nos experts for O&M support. 2008
109 APPGCL Kothagudam TPS Witnessing of ESP PG test & review of PG test result. 2008
108 Penna Electricity Ltd. Penna Electricity Ltd, Ramanathapuram. Witnessing of capacity test. 2008
107 HPGCL   Finalization of PG test procedure and witnessing/approval of PG test results. 2007
106 HPGCL 250 MW,U-VII, Panipat TPS Investigation regarding boiler tube failure 2007
105 HPGCL Panipat TPS Energy audit 2007
104 Hindustan Zinc Ltd. Chanderiya PP To carry out performance tests of CPP. 2007
103 APPCC Rayalseema TPS Deputation of experts for witnessing the commercial operation of APGENCO TPS. 2007
102 RVUNL Kota & Suratgarh TPS Development of Integrated computerized plant mgmt. system. 2007
101 RVUNL Dholpur TPS Deputation of NTPC experts. 2007
100 HPGCL 250 MW Panipat TPS. Investigation regarding failure of boiler tube of U-VII. 2007
99 RVUNL Giral TPS Deputation of NTPC O&M experts 2007
98 UPRVUNL 2 x 250 MW Parichha TPS extn. Augmentation of existing coal handling system 2007
97 APGENCO 4 x 60 MW KothagudamTPS-A To study Slag/Clinker formation in boiler 2007
96 Haryana Power Generation Corp. Ltd. (HPGCL) 250 MW Unit-VII Panipat TPS Investigation regarding failure of boiler tube 2007
95 JSW Steel Ltd. Bellary Deputation of turbine experts for LP Steam washes to 2 nos. turbine of 8 MW each 2007
94 APGCL 272 MW Stage-1&2. Vijjesawaram GTPS Prep. of guide lines and examining generation details and calculations 2007
93 GMR Energy Ltd. 680 MW Sidi Krir PP, Egypt Deputation of NTPC expert for assistance in due Diligence 2007
92 Vaishali Power Generating Co. Ltd. VPGCL 2 x 110 MW, Unit-1&2 Muzaffarpur TPS RLA/CA/Refurbishment/R&M 2007
91 GSECL 112.45 MW Dhuvaran Witnessing and certifying performance guarantee test  
90 UPL Mathura Refinery To carry out analysis of field data and recommendation for RLA of Boiler 2 & 3  
89 UPRVUNL 5 x 200 MW Obra "B" TPS Supervision of refurbishment works, re-commissioning, PG test and post award contract administration  
88 TATA Power 1 x 125 MW and 1 x 67.5 MW Jojobera Power Plant at Jamshedpur. Energy audit study. 2006
87 TNEB Ennore TPS. Deputation of turbine experts for revival of U-IV. 2006
86 YBAK of Saudi Arabia Power plants of Saudi Arabia Energy audit of power plants of Saudi Electricity Company in Kingdom of Saudi Arabia. 2006
85 Andhra Pradesh Coordina-tion Committee 370 MW CCPP at Vimagiri Witnessing performance acceptance test of 370 MW CCPP at Vemagiri. 2006
84 APGENCO 210 MW Rayalseema TPS To study the vibration problem in TG set and TG foundation of 210 MW, Unit-2 2006
83 DVC 210 MW Mejia TPS. Helium leak detection test of condenser. 2006
82 Steag Encotec India 210 MW GGSTP, at Ropar. Helium leak detection test of condensate system. 2006
81 APGENCO Kottagundam TPS and Ramagundam TPS Energy audit of auxiliary. 2006
80 HPGCL 210 MW,Unit-5 Panipat TPS. Helium leak detection test of condenser . 2006
79 Essar Power Ltd. 515 MW CCPP at Hazira. Review and audit of boiler water and CW water chemistry system 2006
78 DVC Chandrapura TPS Helium leak detection test of condenser. 2006
77 SSNNL   Selection of O&M contractor for SBC pumping scheme. 2006
76 KenGen. Kenya Electricity Gen. KIPEYU Steam plant Status of KIPEYU steam plant 2006
75 BESCL Durgapur Captive Power Station Deputation of a turbine expert. 2006
74 DVC U-3 of Bokaro”B”TPS To carry out Eddy current test. for Condenser. 2006
73 HPGCL U-5 of 210 MW TDL TPS at Panipat To carry out Dirty Air flow test. 2006
72 DVC U-3 of Bokaro “B” TPS. To carry out Eddy current test for Condenser 2005
71 HPGCL U-5 of 210 MW of TDL TPS at Panipat. To carry out Dirty Air flow test 2005
70 PFC 165 MW CCPP of BSESKerala Power Ltd. Review of O&M expenses 2005
69 Arkay Energy Ltd. 52.8 MW CCPP at
Witnessing capacity test 2005
GAIL, Pata. Review of O&M procedures. 2005
67 Steag Encotech. India. 276 MW AFAM Gas Based PP. Deputation of 2 O&M experts to Nigeria 2005
66 APGENCO U-1&4 OF Kothagundem TPS Witnessing PG test for ESP 2005
65 DVC U-3,140 MW DTPS Helium leak detection test of condenser, 2005
64 Ratnagiri Gas Power Pvt.Ltd.
2150 MW Dabhol CCPP Consultancy services for revival 2005
63 DVC Bokaro-B TPS. Condenser leak detection & eddy current test for Bokaro-B TPS. 2005
62 Hindustan
Zinc Ltd.
2 x 77 MW Chanderiya TPS. Witnessing of PG test of unit-1 of 2 x 77 MW Chanderiya TPS 2005
61 JSEB Patratu TPS. O&M and Matls. Mgmt. system for Patratu TPS. 2005
60 IPGCL 67.5 MW Rajghat TPS. Overhauling of two units of 67.5 MW Rajghat TPS. 2005
59 Haryana PGCL 210 MW Tau Devi Lal TPS. Condenser vacuum checking in 210 MW Unit-V. 2005
58 JSEB Patratu TPS,Unit-10 Supervision services during re-commissioning of 110 MW Unit-10. 2005
57 ASEB 4 x 60 MW Bongaigaon TPS. Suggesting measures for its full/partial revival of Bongaigaon TPS. 2005
56 Konaseema 445 MW CCPP O&M , System development, Matls. Mgmt.,Financial system and computerization of the systems. 2005
55 BSEB 2 x 50 MW & 2 x 110 MW Barauni TPS RLA/R&M/CA of Modern O&M practices for U-4 & 5 0f 50 MW each and U-6 & 7 of 110 MW each of Barauni TPS 2005
54 PSEB 2 x 210 MW GGSSTPP at Ropar RLA/R&M of Stage-I, U-I &II of 210 MW each including Coal Handling plant 2005
53 Aban Power Co. Ltd. 120 MW CCPP at Karuppur Witnessing capacity test for 120 MW CCPP at Karuppur TPP 2005
52 Alsthom Power India Ltd 120 MW Gandhinagar TPS PG test milling for 120 MW Gandhinagar TPS 2005
51 DVC Bokaro"A" TPS RLA/PET/CA for Bokaro"A" 2005
50 TNEB 107 MW CCPP at Kovikalappai. Hot gas inspection for 107 CCPP at Kovikalappai 2005
49 RCL 52.5 MW Turbine condenser testing Condenser leak detection test with Helium for 52.5 MW Turbine condenser 2005
48 WBPDCL 1 X 82.5 MW Bandel TPS RLA/CA/PET for 1x82.5 MW Bandel TPS. 2005
47 WBPDCL 4 x 120 MW Santaldih TPS RLA/R&M of 4 x 120 MW Santaldih TPS 2005
46 DVC 210 MW Durgapur TPS Condenser Leak Detection Test with Helium Gas for DTPS U-4 ( 210 MW) 2005
45 PSEB Guru Gobind Singh STPP at Ropar Helium leak detection test of surface condenser. 2004
44 GMDC 2 x 125 MW Akrimota TPS. O&M supervision of 2 x 125 MW Lignite based Akrimota TPS. 2004
43 APGENCO. Rayalseema TPS. Auxiliary power consumption audit at Rayalseema TPS. 2004
42 DVC Chandrapura TPS Deployment of 4 'O&M experts for supervision of shift operation at Chandrapura TPS. 2004
41 R.K. Power Gen Pvt. Ltd 25 MW Bio mass based pp at Hiriyur  Assistance/ Guidance to O&M personnel and development of O&M system for 25 MW Biomass Based PP at Hiriyur Karnatka 2004
40 TNEB 101 MW Kuttalam CCPP. Witnessing OG test for 101 MW CCPP at Kuttalam 2004
39 APGPCL 272 MW Vijjeswaram CCPP Selection of O&M Contractor for 272 MW Vijjeswaram CCPP. 2004
38 APGPCL 272 MW Vijjeswaram CCPP. Witnessing PG test on Plate type Heat exchangers for closed ckt. of cooling tower. 2003
37 APGENCO KTPS Witnessing PG test for U-6 of KTPS 2003
36 Essar Power Ltd. 515 MW CCPP of Essar Auditing of electrical system at 515 MW CCPP of Essar Power Ltd. 2003
35 CESC Budge-Budge TPS Study of OPMS system/practices at Budge-Budge Gen. Stn. 2003
34 TNEB 95 MW Valuthur GTPP Witnessing PG test for 95 MW Valuthur GTPP. 2003
33 GSECL 107 MW Dhuvaran CCPP Witnessing PG for 107 MW Dhuvaran CCPP. 2003
32 ASEB 240 MW Bongaigaon TPS RLA for 240 MW Bongaigaon TPS 2003
31 JPL 27 MW REWA TPS Deployment of O&M experts for Stabilizing 27 MW unit at REWA 2003
30 PSEB Guru Gobind Singh STPP at Ropar Improvement of Heat rate for GGSSTPP at Ropar 2003
29 DVC 3 x 57.5 MV BokaroA) - TPS R&M of Bokaro TPS-A(3 x 57.5 MW) 2003
28 GEB 6 x 210 MW Wanakbori TPS. Development of O&M system, Computerization& Implementation for Wanakbori TPS. 2003
27 AP TRANCSO 140 MW GT of BAPL CCPP. Witnessing Performance acceptance test on 140 MW GT of BAPL CCPP 2002
26 DVC 140 MW Durgapur TPS,Unit-III Consultancy services and R&M of 140 MW Unit-III Durgapur TPS. 2002
25 Durgapur Projects Ltd. 395 MW Durgapur TPS Development of O&M and MMS and implementing O&M practice by deploying 10 experts for a period of 8-10 months at Durgapur TPS. 2002
24 PPN 330 MW CCPP Technical support for 330 MW CCPP. Review of PG test results. 2002
23 PPN 330 MW CCPP Independent engineer services for carrying out Revised capacity test of their 330 MW CCPP 2002
22 AP TRANSCO 360 MW Kondapalli CCPP Witnessing Performance acceptance test of 360 MW CCPP at Kondapalli. 2002
21 Tanir Bavi 220 mw Barge mounted CCPP Review of reliability test report, witnessing performance test and support DM plant modification for 220MW Barge mounted CCPP. 2002
20 DVC 780 MW Chandrapura TPS RLA/R&M for 3x120MW + 3x140MW Chandrapura TPS 2001
19 GEB 2 x 120 MW Gandhinagar TPS RLA/R&M for 2x120 MW Gandhnigar TPS 2001
18 Balaji power corp. pvt. Ltd. Samayanallur power project Independent services for witnessing rated capacity test & electrical system characteristic test on Samayanallur power project 2001
17 Tanir Bavi Power Company Ltd. 220 MW Barge mounted PP Independent Engineer to witness & certify the capacity test on 220MW Barge mounted power plant 2001
16 NASL 4x50 MW Korba East TPS of CSEB O&M supervision 2001
15 Tanir Bavi Power Co 220MW barge mounted power plant at Mangalore Services of a commissioning expert 2001
14 Mantech Synergies 330 MW CCPP at Pillaiperumalnallur, Distt.- Nagapatnam, TN Independent engineer services for witnessing rated capacity test on 330 MW CCPP 2001
13 APTRANSCO 355 MW liquid fuel based CCPP at Kondapalli Witnessing of PG test 2000
12 APGENCO ESP unit-3 of KTPS Third party inspection of PG test on ESP 2000
11 UPRVUN Ltd. Fuel management system at various stations of UPRVUN Coal measurement system 2000
10 Thermax Ltd 107 MW CCPP at Kasargod Preparation of O&M proposal for 107 MW CCPP at Kasargod. 2000
9 U.P state Electricity Board. Panki Thermal Power Project. Supervision of acid cleaning process. 1999
8 TCP Ltd. 63.5 MW Captive Power Plant. O&M Services. 1998
7 Gujarat Industries Power Company Ltd. 2X125 MW Surat Lignite Power Project. O&M services. 1998
6 Madhya Pradesh State Electricity Board. Coal Measurement System at various stations of MPEB. Coal Measurement System. 1998
5 Damodar Valley corporation. Bokaro B Thermal Power Station. Consultancy services for Maintenance Management System. 1994
4 West Bengal state Electricity Board. Santaldih & Bandel TPS Introduction Computer Aided Maintenance Management System 1994
3 Public Establishment of Electricity, Damascus, Syria Tishreen Power station. Testing and analysis of Boiler tube failures. 1993
2 Bharat Aluminum Company, India. 4x67.5 MW BALCO Power Station. Operation & Maintenance for Twenty years. 1987
1 Central Electricity Authority, India 705 MW Badarpur Thermal Power Station. Operation & Maintenance. 1978

Operation and Maintenance Services – Tailored for International Clients

Primarily it is the operation and maintenance of the power projects which holds the key for being successful as an Independent Power Producer. NTPC with its proven world class track record of operating and maintaining the power stations and having provided this service successfully to many domestic clients is now positioned to offer this service to International clients through its International Cell. The O&M service has been tailored for international clients and consists of the following modules and sub-modules. However, this can be further tailored to meet any client’s expectations.