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Economical Energy

Economical Energy's VIPER stores renewable energy when it is abundant by lifting mass against gravity. Later when there is scarce renewable energy, it lowers the mass and releases the electricity back into the grid. We estimate it to be about half the capital cost of batteries, and with considerably longer lifespan. The VIPER transports a solid mass material of pellets using a proprietary bucket elevator between a surface reservoir and a deep underground reservoir.

Southern Adelaide
November 2019

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