Lehigh University
Lehigh is a premier residential research university, ranked in the top tier of national research ……...

As the world generates more and more electricity from intermittent renewable energy sources, there is a growing need for technologies that can capture and store energy during periods of low demand and release it rapidly when required.
Gravitricity is developing a novel storage technology that offers some of the best characteristics of lithium batteries and pumped storage.
Ideally suited to network-constrained users and operators, distribution networks and major power users, the technology operates in the 1 MW to 20 MW power range and enables existing grid infrastructure to go further in a renewable energy world.
Gravitricity™ technology has a unique combination of characteristics:
50-year design life – with no cycle limit or degradation
Response time – zero to full power in less than one second
Efficiency – between 80 and 90 percent
Versatile – can run slowly at low power or fast at high power
Simple – easy to construct near networks
Cost-effective – levelised costs well below lithium batteries
Each unit can be configured to produce between 1 and 20 MW peak power, with output duration from 15 minutes to 8 hours.
Lehigh is a premier residential research university, ranked in the top tier of national research ……...
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