Alternative Energy Sources

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Alternative Energy Sources
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What is meant by alternative energy sources?

• Discuss this question in small groups.
• Try to come up with examples.

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Alternative Energy Sources

• Solar passive and active
• Wind
• Tidal
• Geothermal high and low temperature
• Heat pumps

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Alternative Energy Sources

• Gasohol
• Biomass/biogenic methane
• Hydrogen
• Coal gasification
• Conservation/increased efficiency

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Wind Generation
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What are some advantages of Alternative Sources
of Energy?

• Clean
• Decentralized
• Free (?)

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Which alternative energy source holds the most
promise?

• Hydrogen
• Burns clean exhaust is water
• High energy yield

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Which type of Alternative Energy is most likely
to be implemented soon?

• Conservation/increased efficiency
• Technology is most readily available and is not
  new

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What are some disadvantages of Alternative
Sources of Energy?

• Can be inconvenient
• May only be available locally
• Can be expensive, depending on technology

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What barriers exist that may be preventing the
widespread use of Alternative Energy Sources?

• Technological
• Economic
• Regulatory/legal
• Convenience
• Habit