3. • Renewable and Non-Renewable Energy
Introduction
- Renewable (Non-conventional)energy, often referred to as clean energy,
comes from natural sources or processes that are constantly replenished.
Ex. Solar energy, wind energy, bio-energy,
- Non-renewable (Conventional)energy ,resources cannot be replaced – once
they are used up, they will not be restored (or not for millions of years).
Ex. fossil fuels, coal, oils, natural gas and nuclear power
4. Classifications of
Classifications of Energy Sources
Image source:Shobh Nath Singh -Non ConventionalEnergyResources-Pearson EducationIndia (2017), pp 17
- Renewable (Non-conventional) energy
- Non-renewable (Conventional) energy
5. • Primary and Secondary Energy Resources
Introduction
- Primary energy resources are derived directly from natural reserve.
Examples Solar, Wind, geothermal, nuclear hydropower, etc.
- Secondary energy resources are usable forms of energy generated by means of
suitable plants to convert the primary energy.
Examples are electrical energy, steam power, hot water power, hydrogen
energy, etc.
6. • Zerothlaw of thermodynamics
Thermodynamic laws related to Energy and Power
- Two systemswhich are equal in temperature to a third system are equal in
temperature to each other
• First law of thermodynamics
- Energy can be stored within systems in various macroscopic forms: kinetic
energy, gravitational potential energy, and internal energy.
- Energy can also be transformed from one form to another and transferred
between systems.
7. • Temperature - 0C
• Pressure - Pascal (N/m2)
• Energy - Joule
• Heat - Joule
• Work - Joule
• Power - Watt
• Current - Ampere
• Potential Difference - volt
• Resistance - ohm
Energy conversion and unit system
8. • Windmills were used already 2000 B.C in China and Japan
• The firstwindmill in Sweden was built in 1330
• The firstdocumented use of hydropower in Europe during the siege of Rome 536
• Coal became importantfromthe beginning of the 19th century and oil fromthe
beginning of the 20th century
• The increasing oil prices during the 1970:s initiated a world-wide growthof
interestin indigenous energy sources
Brief history and need of renewable energy
9. • Need of Renewable Energy
Need of renewable energy
- Power Demandincreases
- Population increases
- Global Worming
- Reducing conventional sources
- Increases carbon contents
- Increases CO2 emission
10. • Ministry of Newand Renewable Energy.
National scenarios
Image source: https://mnre.gov.in/img/documents/uploads/0ce0bba7b9f24b32aed4d89265d6b067.pdf
- Target 175GWby the year 2022
• India achieved
- 4th global position in wind and
renewable power and
- 5th global position in solar
power deployment respectively
11. •Installed capacity by various source in India as on 31 March 2020:
National scenarios
Image source: https://mnre.gov.in/img/documents/uploads/0ce0bba7b9f24b32aed4d89265d6b067.pdf
- Coal : 205,134.5 MW(55.4%)
- Large Hydro : 45,699.22 MW(12.3%)
- Small Hydro : 4,683.16MW (1.3%)
- Wind Power : 37,693.75 MW(10.2%)
- Solar Power : 34,627.82 MW(9.4%)
- Biomass : 10,022.95 MW(2.7%)
- Nuclear : 6,780 MW (1.8%)
- Gas : 24,955.36 MW(6.7%)
- Diesel : 509.71 MW (0.1%)
