1. The prospecTs of non-
convenTional energy
resources
by
Debjoy
Bhattacharya

2. Classification of Energy
Resources

3. Based on long term availability:
• a)Non renewable
• b)Renewable

4. Based on traditional use:
• a) Conventional
• b) Non-conventional

5. Advantages and disadvantages
of conventional energy sources
• Advantages • Disadvantages
• i. Security • i. Increasing cost
• ii. Convenience • ii. Fossil fuel
generates pollutants
• iii. Safety of nuclear
• iv. Hydroelectric
plants

6. Advantages and disadvantages
of non-conventional energy
sources
• Advantages • Disadvantages
• i. Available in nature • i. High cost of
• ii. Free of cost harnessing energy
• iii. Inexhaustible • ii. Uncertainty of
• iv. Little pollution availability
• • iii. Difficulty in
v. Low gestation
transporting
period

7. Table: Power densities in various energy
sources
Power density in kw/m2
Energy sources
Non Conventional:
1.Wave <100
2.Wind <3
3.Solar <0.2
4.Tidal <.002
5.Biomass production <.0002
6.Geothermal heat <.00006
Conventional:
1.Hot plate 100
2.Coal(1 cm thickness) 500
3.Power cable(1sq m of surface area of 1000
cable)

8. Electrical Power Generation:
Percentage share
Resource
Thermal (coal & gas) 68.8%
Hydro 24%
Nuclear 2.7%
Non-Conventional 4.5%

9. Present situation and future
trend
• a) Conventional
resources
• i) Fossil fuels
• ii) Hydro resources
• iii) Nuclear resources

10. b) Non-conventional resources
• i) Solar energy
• ii) Wind energy
• iii) Biomass energy
• iv) Hydro eneregy
• v) Tidal & Ocean energy

11. i) Solar energy

12. ii) Wind energy

13. iii) Biomass energy

14. iv) Hydro Energy

15. v) Tidal & Ocean energy

16. Energy source estimated potential
Solar Energy 20 MW / sq. km
Wind Energy 20,000 MW
Small Hydro 10,000 MW
Ocean Thermal Power 50,000 MW
Sea Wave Power 20,000 MW
Tidal Power 10,000 MW
Bio energy 17,000 MW
Draught Animal Power 30,000 MW
Energy from MSW 1,000 MW
Biogas Plants 12 Million Plants
Improved Wood Burning
Stoves 120 Million Stoves
Bagasse-based
cogeneration 3500 MW

17. Current status of various non conventional sources in India:-
S.N Resource Potential Developed
o.
A. Grid connected systems
1. Wind 45000 MW 2483 MW
2. Small/mini/micro hydro 15000 MW 1603 MW
3. Biomass electric power 19500 MW 613 MW
4. Biomass waste 1700 MW 41.5 MW
5. Solar PV systems 20 MW/sq km 2.54 MW grid
connected
B. Decentralized systems
1. Biogas plants 120 lakh 36.5 lakh plants
2. Biomass gasifier 58MW
3. Community/Institutional/Night soil based 3,902 Plants
biogas plants
4. Improved Chulha 1,200 lakh 339 lakhs
5. Solar home lighting system 3,07,763 Number
6. Solar street lighting system 52,102 Number
7. Solar lanterns 4.42 lakhs
8. SPV pumps 6,414 Number
9. SPV stand alone systems 1,791 kw
10. Solar water heating systems 1,400 lakh sq m 8 lakhs sq m collector
collector area area

18. Importance of Non-Conventional
Energy sources

19. THANK YOU