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 20 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.

 

ENERGIESTRO plans to produce a range of flywheels with storage capacity from 5 to 50 kWh.

 

The power rating of a flywheel can be chosen independently from its storage capacity. As a standard, ENERGIESTRO offers a power rating enabling a charge or discharge in one hour (for instance the 5 kWh flywheel has a 5 kW power rating). Individual power ratings can be made for special applications.

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

Capacity (kWh) Diameter (m) Height (m) Mass (t) Power (kW)
5 0,8 1,5 1,7 5
10 1,0 1,9 3,3 10
20 1,2 2,4 6,6 20
50 1,6 3,3 16,6 50

 

ENERGIESTRO flywheels will be available in low voltage (48 V) or high voltage (from 500 to 1,000 V) in order to connect to standard battery inverters.

 

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