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How to Save a Planet
Spark Tank! How Do We Solve the Energy Storage Problem?
Jun 30, 2022
Dr. Leah Stokes and Shayle Kann discuss energy storage solutions including pumped hydro, compressed air, and molten salts. They explore innovative technologies, investments, and the challenges of transitioning to renewable energy sources, making the topic engaging and informative.
47:24
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Quick takeaways
- Pumped hydro storage offers a simple and efficient solution by pushing water uphill to store energy and letting it run back down to generate electricity.
- Compressed air energy storage involves pressurizing and storing energy underground, offering scalability and reusing oil and gas technologies.
Deep dives
Pumped Hydro Storage: Energy Storage by Pushing Water Up and Down a Hill
Pumped hydro storage involves pushing water uphill to store energy and then letting it run back down to generate electricity, offering a simple and efficient solution. The technology, exemplified by Northfield Mountain in Western Massachusetts, can power about a million homes for eight hours when the reservoir is full, with an efficiency of about 75%.
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