Two gravity batteries are nearing completion in the US and China 1

[cmoreride]

https://futurism.com/the-byte/company-builds-facilit

y-lifts-lowers-bricks-store-energy-488786

Switzerland-based startup Energy Vault has broken ground on two huge facilities in Texas and just north of Shanghai


Two massive gravity batteries are nearing completion in the US and China

https://interestingengineering.com/...es-are-nearing-completion-in-the-us-and-china

 

[dik]

What means of hoisting do they use that is very efficient?

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik

 

[cmoreride]

@dik
Well it is being built.

 

[GregLocock]

Round trip efficiencies in the 1950s for pumped hydro were 85%, don't believe the FUD. The record for electric motor efficiency is probably still 'mine', or ours, 5 kW, 98.4% , and 99% for the electronics.

https://renew.org.au/wp-content/uploads/2018/12/marand_high_efficiency_motor.pdf

Cheers

Greg Locock


New here? Try reading these, they might help FAQ731-376

http://eng-tips.com/market.cfm?

 

[dik]

Thanks... better than I thought...

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik