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SHOULD WE
SWITCH TO
SOLAR
ENERGY?
Ha Quynh Chi, Do Huyen My
Week 4
TABLE OF CONTENT
The introduction
of solar power
Why should we
switch to solar
power?
Conclusion
I. The foundation of
solar power
• In 1954, solar panels were invented and silicon -
based
• The creation was celebrated as the dawn of a new
era
• First commercially sold solar cell cost around
$300 per watt,
=> It would cost well over a million to buy a unit
large enough to power a single home
Why should
we switch to
solar power?
Good for your wallet
Solar power used to be expensive but nowadays in many
countries solar is the cheapest form of energy
A wise financial decision that offers long-
term savings.
• Generate electricity that reduces reliance
on traditional energy
• To startup, installing may take you
$12,000
• Solar panels usually last for 25 to 30
years before losing efficiency
=> 8 years to be refunded and 17 to 22
years of savings on energy costs
Solar power vs fossil fuel
Renewable energy sources have become cheaper
than fossil fuel-generated electricity because:
• Technological
advancements
• Declining costs of
materials
• A better understanding
of the true costs of fossil
fuels
• Supportive
government
policies: tax credits
and rebates
• Increased demand
Environmental
Benefits
Solar energy doesn’t only help reduce your
electricity bills; it also has huge benefits for our
planet.
Fossil fuels Solar energy
Reduce
greenhouse
gas emissions
release high
level of
pullutants
free,
renewable, and
infinite
Compared to solar energy, coal
contributes over 16 times the amount
of CO2 emissions, while natural gas
contributes over 7 times the amount of
CO2 emissions.
Use less water
• Traditional electricity uses thousands of
liters of water each year.
• Solar energy uses no water.
Reduce the risk of
oil spills
Slow down
climate change
• Solar power produces no greenhouse gases.
• Environmental impact of solar energy is
minimal compared to that of fossil fuel
energy.
The shift towards solar energy
is a key step towards achieving
energy independence.
thank you
Reference
• Meelis. (2023, May 8). Discover the benefits of solar energy.
Roofit.Solar. https://roofit.solar/environmental-benefits-of-solar-
energy/
• Technologies, S. (2022). Environmental benefits of solar energy. Solar
Technologies. https://solartechnologies.com/environmental-
benefits-of-solar-energy/
• ZEN Energy. (2023, May 26). Here Are The Top 5 Advantages Of Solar
Energy On The Environment.
https://www.zenenergy.com.au/knowledge-base/popular-topic/5-
advantages-of-solar-energy-on-the-environment/
• TED-Ed. (2023, June 22). Should you switch to solar? - Shannon Odell
[Video]. YouTube.
https://www.youtube.com/watch?v=dhiWSsKUWEg

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English presentation about the environment

  • 1. SHOULD WE SWITCH TO SOLAR ENERGY? Ha Quynh Chi, Do Huyen My Week 4
  • 2. TABLE OF CONTENT The introduction of solar power Why should we switch to solar power? Conclusion
  • 3. I. The foundation of solar power • In 1954, solar panels were invented and silicon - based • The creation was celebrated as the dawn of a new era • First commercially sold solar cell cost around $300 per watt, => It would cost well over a million to buy a unit large enough to power a single home
  • 4. Why should we switch to solar power?
  • 5. Good for your wallet Solar power used to be expensive but nowadays in many countries solar is the cheapest form of energy A wise financial decision that offers long- term savings. • Generate electricity that reduces reliance on traditional energy • To startup, installing may take you $12,000 • Solar panels usually last for 25 to 30 years before losing efficiency => 8 years to be refunded and 17 to 22 years of savings on energy costs
  • 6. Solar power vs fossil fuel Renewable energy sources have become cheaper than fossil fuel-generated electricity because: • Technological advancements • Declining costs of materials • A better understanding of the true costs of fossil fuels • Supportive government policies: tax credits and rebates • Increased demand
  • 7. Environmental Benefits Solar energy doesn’t only help reduce your electricity bills; it also has huge benefits for our planet.
  • 8. Fossil fuels Solar energy Reduce greenhouse gas emissions release high level of pullutants free, renewable, and infinite
  • 9. Compared to solar energy, coal contributes over 16 times the amount of CO2 emissions, while natural gas contributes over 7 times the amount of CO2 emissions.
  • 10. Use less water • Traditional electricity uses thousands of liters of water each year. • Solar energy uses no water.
  • 11. Reduce the risk of oil spills
  • 12. Slow down climate change • Solar power produces no greenhouse gases. • Environmental impact of solar energy is minimal compared to that of fossil fuel energy.
  • 13. The shift towards solar energy is a key step towards achieving energy independence.
  • 15. Reference • Meelis. (2023, May 8). Discover the benefits of solar energy. Roofit.Solar. https://roofit.solar/environmental-benefits-of-solar- energy/ • Technologies, S. (2022). Environmental benefits of solar energy. Solar Technologies. https://solartechnologies.com/environmental- benefits-of-solar-energy/ • ZEN Energy. (2023, May 26). Here Are The Top 5 Advantages Of Solar Energy On The Environment. https://www.zenenergy.com.au/knowledge-base/popular-topic/5- advantages-of-solar-energy-on-the-environment/ • TED-Ed. (2023, June 22). Should you switch to solar? - Shannon Odell [Video]. YouTube. https://www.youtube.com/watch?v=dhiWSsKUWEg

Editor's Notes

  1. 1.7.2013
  2. 1.7.2013
  3. 1.7.2013