5 years ago
1
Can these 35-ton bricks solve renewable energy’s biggest problem?
It’s already cheaper to build a new solar or wind farm than a coal plant. But when the sun isn’t shining and the wind isn’t blowing, renewable electricity can still be fairly expensive to store–even though the cost of batteries is dropping. If the world shifted to 100% renewable electricity right now, we might pay more on electric bills.
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https://www.fastcompany.com
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This is encouraging, storing potential energy in the form of lifting up a brick. Later when needed, it can be released as kinetic energy.