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Understanding Hydroelectricity: Benefits, Challenges, and Future in New Zealand

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Hydroelectricity is a vital renewable energy source that harnesses flowing water to generate electricity. In New Zealand, hydro-dams, such as those at Lake Karapiro in Cambridge, play a key role in energy production. This energy source is non-polluting, has low operating costs, and offers a long lifespan for power stations. While the future of hydropower looks promising due to its environmental safety, issues like ecological disruption and greenhouse gas emissions from reservoirs must be considered. Transitioning to hydroelectricity can eliminate fuel costs and reduce dependency on fossil fuels.

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Understanding Hydroelectricity: Benefits, Challenges, and Future in New Zealand

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Presentation Transcript

  1. Hydroelectricity

  2. How hydroelectricity is made

  3. Hydroelectricity in N.Z • hydro-dams are used • all over N.Z this is just • one of them at Lake • Karapiro • in Cambridge. {that’s • the lake where they • do all the rowing}

  4. Benefits of hydroelectricity • Hydroelectric energy is a continuously renewable resource. • Hydroelectric energy is non-polluting. • Hydroelectric energy has no fuel cost and with low operating and maintenance costs • Hydroelectric stations have a long life.

  5. The future of hydroelectricity • Hydro dams are expected to remain around for several decades to come. Because they have low pollution levels and are very safe for both people and the enviroment.

  6. Why we should use hydroelectricity • The main reason we should switch to Hydroelectricity is the elimination of the cost of fuel. The cost of operating a hydroelectric plant is nearly immune in the cost of fossil fuels such as oil, natural gas and coal. Fuel is not required so it need not be imported.

  7. Disadvantages of hydroelectricity • Environmental Damage- Hydroelectric plants can be disruptive to aquatic ecosystems. • Greenhouse Gases- The reservoirs of power plants in some regions may produce amounts of Methane and Carbon Dioxide. • Population Relocation- People will need to relocate because of where the plants are built. • Dam Failures- While the failures of Dams are Rare they can be very serious.

  8. Reference • www.planete-energies.com • www.dayout.co.nz • www.daviddarling.info • www.google.co.nz

  9. Created by: • LIAM • JONTY • DANIEL

  10. THE END

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