1. Climate Change and Power
Sector
NTPC Ltd.
Feb 28, 2013 1

2. Role of Power Sector
Feb 28, 2013 2

3. World Energy Scenario: Main Contributors
of CO2 Emission
1973 2006
Gas
14.4 % Gas
19.4%
Oil
38.5%
Oil
Coal 50.6 %
34.9 % Coal
41.7%
15640 Mt of CO2 28003 Mt of CO2
Feb 28, 2013 3
Source: IEA, Key Energy Statistics, 2008

4. Primary Energy Supply Mix of the world
Ren & waste,
Gas,16.00% 10.10%
Hydro, 2.20%
Nuclear, 0.90% Nuclear, 6.20% Coal, 26%
Hydro, 1.80%
Oil, 47.14%
Ren & waste,
10.60%
Gas, 20.50%
Oil, 34.30%
Coal, 24.50%
1973- 6115 Mtoe 2006- 11741 Mtoe
Feb 28, 2013 4
Source: IEA, Key Energy Statistics, 2008

5. World Power Generation- different modes
Others,
Producer TWh %of Other, 0.60% 2.30%
World
Gas, 12.10%
Gas,
USA 4274 22.6
20.10%
China 2864 15.1
Japan 1091 5.8 Coal, 38.30% Coal,
Russia 994 5.3 41.40%
India 744 3.9
Oil, 24.70% Oil , 5.80%
Germany 629 3.3
Canada 612 3.2
France 589 3.0
Brazil 419 2.2
Nuclear,
Hydro, 16%
Korea 402 2.1 3.30%
Nuclear,
Rest of 8332 33.5 Hydro, 21%
world 14.80%
World 18930 100
1973- 6116 TWh 2006- 18930 TWh
Fossil Fuel based power generation constitutes the largest mode of
Feb 28, power generation in the world and will remain so in the coming decades
2013 5

6. Power Generation Mix of India
Nuclear Coal is expected to
remain the preferred fuel
Renewable 3%
for coming decades.
9%
64% of the 11th plan targets
consists of coal based
Hydro generation.
Coal
25%
Recent developments are
52%
encouraging for the
nuclear fuel based
Oil & gas generation.
11%
(Figures in MW)
Source: CEA, Coal Gas & Oil Hydro Nuclear Renewable Total
Dec 2008
77456 15934 36648 4120 13242 147403 6
Feb 28, 2013

7. National Power Objectives
Ambitious Capacity Addition Plans
• Power for all by 2012
• Per capita consumption Plan Period Capacity addition
Targets
of power to be increased
to 1000 Units by 2012. 10th Plan 41110 MW
• Min. lifeline consumption (2003-07) (Achieved: 21080
MW)
of 1 unit/ household/ day
by 2012. 11th plan 78,700 MW
• Accessibility of electricity (2008-12)
by all households by 12 plan Nearly 82,000 MW
2012. (20013-17)
Issue: How to develop strategies for rapid capacity addition
without detrimental effects on the environment.
Feb 28, 2013 7

8. NTPC’s Approach
Feb 28, 2013 8

9. NTPC- Powering India’s Growth
NTPC contributes more than one-fourth of India’s total power generation
with less than one-fifth capacity
Total Capacity Generation
As on 31.12.2008 2007-08
NTPC- 29,894 MW NTPC- 200* BU
~20.2% of all India 28.5 % of all India
147,402 MW NTPC 704 BU NTPC
All India
All India
* Excluding JVs
Feb 28, 2013 9

10. NTPC – AMONGST THE CLEANEST FOSSIL
FUEL POWER GENERATORS
Assumptions: SOURCE: CARMA.ORG: NTPC ANALYSIS*
1)The largest generating companies with Annual generation above 150 BU
Feb 28, 2013 having minimum fossil fuel mix of 50%
2)The companies
10

11. NTPC’s vision on climate change
“Going Higher on Generation,
lowering GHG intensity”
Feb 28, 2013 11

12. NTPC’s approach to climate change
Reducing Carbon Dioxide
Intensity
Fuel- Mix Afforestation
Introduction Enhancing
(Coal, Gas. &
of new Efficiency of
Hydro, Nuclear, other green
technologies Generation Renewable) measures
Feb 28, 2013 12

13. NTPC Approach
• As a responsible Corporate Citizen, NTPC accords high
priority to its responsibility towards Climate and
Sustainability.
• Investment in development of new technology through
R&D and Energy Technology center.
• NTPC sets aside up to 1% of its distributable profit for R&D
including 0.5 % for technology initiatives for sustainable
energy development.
• Generation Capacity Expansion is complemented by
Emission Mitigation Endeavours
– Sustained effort to enhance plant efficiency
– Suitably realign the fuel mix
– Adoption of greener and eco-friendly technologies
Feb 28, 2013 13

14. NETRA – Focus on Research and new
Technologies
 R&D DEPARTMENT FOR APPLIED RESEARCH
 ENERGY TECHNOLOGIES: WORKING ON 14 PROJECTS THROUGH
IDENTIFIED INSTITUTIONS IN AREAS PERTAINING TO
 POWER PLANT EFFICIENCY IMPROVEMENT
 CARBON SEQUESTRATION
 WASTE HEAT UTILISATION, ETC
 ET AND R&D CENTRE BEING MERGED TO FORM NETRA (NTPC ENERGY
TECHNOLOGIES RESEARCH ALLIANCE)TO ENABLE MORE FOCUS AND
SYNERGISTIC RESEARCH
 INTEGRATED GASIFICATION COMBINED CYCLE (IGCC):
– NTPC IN COLLABORATION WITH BHEL IS IN PROCESS OF
INSTALLING AN IGCC PROJECT IN AURAIYA.
– NTPC, IN ASSOCIATION WITH NEXANT, HAS DONE STUDY ON
GASIFIER SUITABLE FOR INDIAN COAL.
14
Feb 28, 2013 14

15. Adoption of higher efficiency units
5.1
%
3.0
%
Base 0.7
%
Sub - critical units Super - critical units
Unit Size 500 MW 500 MW 660 MW 660 MW
MS Pressure kg/cm2 170 170 247 247
MS Steam Temp 537 537 537 565
(O C)
RH Steam Temp 537 565 565 593
(O C)
Feb 28, 2013 15

16. Higher Efficiency – Lower Emission
SUB SUPER ULTRA SUPER
CRITICAL CRITICAL CRITICAL
PLANT 34 % 37% 41%
EFFICIENCY*
FUEL BASE BASE - 8 BASE - 17 %
CONSUMPTION %
CO2 EMISSIONS 1008 926 835 gm/Kwh
(272,000 mg/nM3)
NOX EMISSIONS 2.41 2.22 2.00 gm/Kwh
(650 mg/nM3)**
SOX EMISSIONS 7.43 6.82 6.16 gm/Kwh
(2,000 mg/nM3)**
PARTICULATES 0.19 0.17 0.15 gm/Kwh
(50 mg/nM3)**
* HHV Basis ** Current World Bank Emission Guidelines
Feb 28, 2013 16

17. Super Critical Technology in NTPC
NTPC adopted supercritical technology for unit size over 500 MW in
steps as under:
 PLANTS IN ADVANCE STAGE OF CONSTRUCTION
 3 x 660 MW Sipat STPP Stage-I
 3 x 660 MW Barh STPP Stage-I
 UPCOMING PLANTS
 Barh-II, Bihar – 2x660 MW (Order Placed)
 North Karanpura, Jharkhand – 3x660 MW
 Darlipali, Orissa – 4x800 MW
 Lara, Chattisgarh – 5x800 MW
 Marakanam, Tamilnadu – 4x800 MW
 Tanda-II, Uttar Pradesh - 2x660 MW
 Meja, Uttar Pradesh - 2x660 MW
 Sholapur – 2x660 MW
 New Nabinagar-3x660 MW

Feb 28, 2013 Many more projects under formulation 17

18. Efficiency Improvement through
Renovation & Modernization
After 100,000 operating hours machine become due for R&M
R&M offers a quick and low cost capacity addition and
efficiency enhancement option.
R&M objectives are:
Restoration, Sustenance & Enhancement of
Efficiency
Capacity enhancement
Life extension of old units
Mitigate obsolescence
Compliance to applicable pollution norms
Equipment safety
Improvement in equipment / system reliability
Feb 28, 2013 18

19. NTPC Fuel Mix by 2017
Capacity mix - TODAY Capacity mix - 2012 Capacity mix - 2017
(29,894 MW) (50,000 MW) (75,000 MW)
NUCLEA
R
3% RENEW
GAS HYDRO
GAS HYDRO 12% 1%
18% 16% 4%
GAS
14%
COAL
COAL 70%
COAL 80%
82%
COAL 24459 COAL 40000 COAL 53000
GAS 10000
GAS 5435 GAS 8000 HYDRO 9000
NUCLEAR 2000
HYDRO 2000
RENEWABLE 1000
Feb 28, 2013 19

20. Renewable
• NTPC plans to add 1000 MW from renewable
sources by 2017.
• Recently signed MoU for 500 MW of wind power in
Karnataka.
• MoU with ADB for development of 500 MW from
renewable sources.
• NTPC has taken major initiatives for fast tracking its
solar power development programme.
• We hope to set up 15MW solar capacity by 2012
and 50 MW capacity by 2014.
Feb 28, 2013 20

21. Distributed Generation
• NTPC has commissioned 10 projects in off-grid
distributed power generation mode based on bi-
mass, solar PV, micro hydel etc in villages around
projects.
• Several others are planned as part of CSR
activities.
• There is also proposal for setting up mini hydel
projects at several places in Punjab and North-
eastern states.
Feb 28, 2013 21

22. Green Measures
• NTPC has created green wealth and carbon sink in the
form of more than 18 millions trees planted in and around
plant areas.
• NTPC has started implementing modern water harvesting
systems in all upcoming townships in the projects for
better management of water.
• NTPC is committed for development of 1 million Sq feet of
green building space within NTPC premises.
• Energy Conservation can also play a major role; NTPC
has adopted practices like Online Energy Management
Systems, Energy Audit, Water-balance Audit for main plant
and BOP equipments.
As per study conducted by National Remote Sensing Agency, Hyderabad,
the summer peak temperatures in areas surrounding Ramagundam
Thermal Power Station of NTPC where about 1.2 million trees
Feb 28, 2013
have been planted, has reduced to the extent of 30 C. 22

23. Conclusion
NTPC stands committed for
sustainable power development
Feb 28, 2013 23

24. POWER PRODUCER OF INTERNATIONAL
REPUTE
TOWARDS GREENER TOMORROW
Feb 28, 2013 24