EL & ES for engineering student SEEE IN I

EL & ES for engineering student SEEE IN I

1. Guru Gobind Singh College of Engineering & Research Centre Nashik Department of Electrical Engineering 2025-2026 “EL & ES Presentation” Project Group No-:04 Guide-: Prof. Diba Ansari Prof. Harshal Shelar Presented by-: Anushka Gangurde(16) Shubham Gangurde(17) Rushikesh Golait(18) Krishnakumar Gupta(19) Payal Jagtap(20) “Awareness About Renewable Energy Sources”

2. Contents :- Introduction Overview of Renewable Energy Types of Renewable Sources Benefits of Renewable Energy Challenges and Myths Current Initiatives & Innovations How You Can Contribute

3. Introduction :- Renewable energy is energy derived from natural sources that are replenished at a higher rate than they consumed, making them sustainable and inexhaustible over time. These sources, also known as clean, include solar, wind, hydropower, geothermal, and biomass.

4. Overview of Renewable Energy :- Renewable energy refers to energy derived from sources that are naturally replenished, such as sunlight, wind, water, and geothermal heat. Global Growth:- Renewable energy is experiencing significant growth worldwide, with projections showing substantial increases in generation capacity in the coming years.  Diversity of Sources: Renewable energy encompasses a wide range of technologies, including solar, wind, hydropower, geothermal, and biomass. Technological Advancements:- Continuous advancements in renewable energy technologies are improving their efficiency, affordability, and reliability.

5. Types of Renewable sources:- Solar Energy Wind Energy Hydropower Geothermal Energy Biomass

6. Solar Energy Solar energy is the energy derived from the sun's radiation, encompassing light and heat. The sun’s energy can be converted into electricity through solar photovoltaic (PV) module. In fact, more energy from the sun reaches our planet in one hour than is used by the entire population of the world in one year . This Photo by Unknown Author is licensed under CC BY-SA

7. Wind energy is a renewable energy source generated by harnessing the power of the wind to produce electricity. It involves using wind turbines to convert the kinetic energy of moving air into electrical energy. This process is a clean and sustainable way to generate power, reducing reliance on fossil fuels and mitigating climate change 2. Wind Energy This Photo by Unknown Author is licensed under CC BY-ND

8. Hydro energy, also known as hydropower, is a renewable energy source that harnesses the power of moving water to generate electricity.  It utilizes the kinetic energy of water, often from dams, rivers, or waterfalls, to turn turbines which then drive generators that produce electricity. 3. Hydropower This Photo by Unknown Author is licensed under CC BY

9. Geothermal energy  is  thermal energy  extracted from the  crust . It combines energy from the formation of the planet and from  radioactive decay . Geothermal power  is  electrical power generated  from geothermal energy. Dry steam, flash steam, and binary cycle power stations have been used for this purpose.  Geothermal power is considered to be a  renewable  energy because heat extraction rates are insignificant compared to the  Earth's heat content . 4. Geothermal Energy This Photo by Unknown Author is licensed under CC BY

10. Biomass energy, or bioenergy, is energy derived from organic matter, primarily living or recently living plants and waste. It's a renewable energy source because it comes from materials that can be replenished, unlike fossil fuels.  Biomass can be burned directly for heat or converted into liquid and gaseous fuels for electricity generation and transportation 5. Biomass This Photo by Unknown Author is licensed under CC BY-NC

11. Benefits of Renewable energy:- Sustainability : - Renewable sources are naturally replenished, ensuring long-term availability.  Reduced Greenhouse Gas Emissions : - Compared to fossil fuels, renewable energy sources produce significantly fewer or no greenhouse gas emissions, helping to mitigate climate change.  Environmental Protection : - Renewables can reduce pollution and other environmental impacts associated with fossil fuel extraction and combustion. Economic Growth : - The renewable energy sector creates jobs and stimulates economic growth in manufacturing, installation, and operation

12. Challenges and Myths :- Challenges:- Technological & Infrastructure Barriers:  Integrating variable sources like solar and wind into the existing grid requires significant upgrades, and developing large-scale energy storage solutions remains a challenge. Economic Factors:  While costs have decreased, some projects still face high initial investment and require financing, and supply chain limitations for critical minerals can pose issues. Myths:- Renewables are too expensive. Renewable energy is unreliable because the wind doesn't always blow and the sun doesn't always shine. The energy transition will destroy jobs.

13. Advanced Solar Panels:  Developments include bifacial panels that capture sunlight from both sides, increasing efficiency, and transparent solar cells that can turn windows into energy generators. Sand Batteries:  A new form of energy storage utilizing  fluidized beds of silica sand  has been developed, as seen with the reveal of a sand battery by Italian energy experts in late 2024. Solid-State Batteries:  These promise higher energy density, faster charging, and improved safety, making renewable power more reliable. High-Capacity Batteries:  Innovations like  lithium-glass batteries  offer next-generation high-capacity energy storage. Current initiatives and innovations :-

14. You can contribute to renewable energy by making personal lifestyle changes, such as adopting energy-saving habits and installing solar panels, and by engaging in civic action, like supporting clean energy policies and local projects. Reduce energy consumption:  Turn off lights and appliances when not in use, and use fans or open windows instead of air conditioning. Switch to a green energy supplier:  Purchase your energy from a provider that uses renewable sources like solar, wind, or hydropower. Invest in solar technology:  Install solar panels on your home to generate your own electricity and heat. Be mindful of device usage:  Avoid using multiple high-energy devices simultaneously. How You Can Contribute :-