The ENERGIESTRO flywheel stores energy like a stationary battery, but with the added benefit of unlimited life. In practice a flywheel will operate more than 30 years and one million cycles, whereas a battery lasts a few years and thousands of cycles. The bottom line is: the cost of energy storage with an ENERGIESTRO flywheel is much lower than with a battery.

 

 

As a standard, ENERGIESTRO offers a power rating enabling a charge or discharge in one hour (for instance the 10 kWh flywheel has a 10 kW power rating). For 24 hour storage, the optimal ratio between capacity (kWh) and power (kW) is 5 hours (for instance the 100 kWh flywheel has a 20 kW power rating). 

ENERGIESTRO plans to produce a range of flywheels with storage capacity from 10 kWh to 1 MWh.

The table below gives the main features of the flywheels of the intended range:

Capacity Diameter
(m)
Height
(m)
Mass
(t)
Power
(kW)
10 kWh 1,0 1,5 3,0 10
20 kWh 1,3 1,9 6,0 20
50 kWh 1,7 2,6 15 50
100 kWh 2,2 3,2 30 20
1 MWh 4,6 7,0 300 200

 

 

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