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Renewable Energy

📑 5 slides 👁 23 views 📅 3/29/2026
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Introduction to Renewable Energy

Renewable energy comes from natural sources like sun, wind, and water.

Introduction to Renewable Energy
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Solar Power

  • Solar panels convert sunlight into electricity with 15-22% efficiency.
  • Global solar capacity reached 1.2 terawatts in 2023.
  • Costs have dropped 90% since 2010, making it more accessible.
Solar Power
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Wind Energy

  • Wind turbines harness kinetic energy with blades up to 107m long.
  • Offshore wind farms can generate 3-5 times more power than onshore.
  • Global wind capacity exceeds 900 gigawatts as of 2023.
Wind Energy
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Hydropower

  • Provides 16% of world's electricity, the largest renewable source.
  • Pumped-storage systems act as giant batteries for energy grids.
  • Modern turbines achieve up to 90% energy conversion efficiency.
Hydropower
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Future of Renewables

  • Projected to supply 50% of global electricity by 2030.
  • Emerging technologies include tidal and geothermal energy.
  • Requires $4 trillion investment annually to meet climate goals.
Future of Renewables
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