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Gravity Power
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Short description

Developer of bulk gravity-based energy storage technology using similar principles to pumped hydro storage

Founded in 2009
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Company type Private Public ()
Company type

Industry Group energy & power

Sector energy storage

TRL Range 7-8
TRL 1 Basic research
TRL 2 Technology formulation
TRL 3 Applied research
TRL 4 Small scale prototype
TRL 5 Large scale prototype
TRL 6 Prototype system
TRL 7 Demonstration system
TRL 8 First of a kind commercial system
TRL 9 Full commercial application
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Headquarters Goleta, CA Goleta, United States
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Updated by Chris Grieco at Gravity Power, LLC on 01/21/2017

Edited by Cleantech Group on 08/17/2021

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Date Partner Type
03/06/2012
The Robbins Company The Robbins Company
Gravity Power was working with the inventors of the "mole machine," to adapt that technology for vertical tunnel boring. Since it went to larger diameter systems using open pit mining this work was put on hold.
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Confirmed by The Robbins Company
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Date Investors Type Amount
02/16/2016 (0)
Post-money valuation of
Small investors and management investment, including accrued interest.
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Growth Equity $3,000,000
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Gravity Power Plants

40 MW to 1600 MW turnkey energy storage plants capable of generating that capacity for minutes to several hours. The projected cost numbers to the right of this page are for 1600 MW, 4-hour duration plants.

 Product Development Products - Wholesale
$/kW (current)
$485/kW (projected)
$/kWh (current)
$170/kWh (projected)
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