Long Term Grid Storage Project – Pumped Storage Hydro


Long Term Grid Storage Project – Pumped Storage Hydro

The goal of this project is for you to communicate your understanding of energy concepts by explaining the operation of a long term electricity grid energy storage technology.  Your notes should also include vocabulary words you do not understand to be looked up and defined. Your project will consist of a report. The report includes paragraphs on how the technology works, the physics behind the energy storage process, the range of specifications for storage facilities, and a paragraph on potential downsides of the project.  You should also include at least one graphic illustrating how the technology works including a citation of the source. There is 2 page required length for the report as long as it responds to the guiding questions.


The Report 

  •  Introductory paragraph explaining how the technology works with a graphic to illustrate your explanation. 
  • Technical paragraph explaining the physics behind the technology.  
    • Discuss how forces act over a distance (do work) while energy is being transformed from one form to another. 
    • Explain the forms of energy that are being stored.    
    • Discuss for places where energy could be converted into thermal energy by friction, drag or turbulence or “lost” due to resistive heating of electrical wires. 
  • Specifications Paragraph – find estimates for large and small applications of the technology and use them to illustrate the range of specifications expected for the technology
    • Range of storage capacities. (How much energy?)
    • Range of Power Output (How fast can energy be stored?)
    • Range of time (How long can maximum power be provided?)
    • What is the range of two way conversion efficiency?
  • Challenges and downsides – What are some problems or challenges to implementing the technology.  
    • Negative impact on social justice populations – poor people, people of color or other minorities or indigenous peoples. Is environmental racism a risk?
    • Negative environmental impacts.
    • Limits on where the technology can be built.

Guiding Questions

  1. In what form of energy is the electrical potential energy stored?
  2. What are the energy transformation(s) involved in storing the energy?
  3. What forces are doing work when energy is being transformed?
  4. How is energy lost during the conversion process?
  5. What is the estimated range of two way conversion efficiency of this technology?
  6. What is the range of storage capacities for the technology?
  7. What is the power output range for the technology?
  8. How long can the plant provide peak power?
  9. What are the limitations on where this technology can be deployed?
  10. Are there negative environmental impacts associated with the technology?
  11. Will this technology negatively impact social justice populations?
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(550 words)

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550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
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  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

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