Hi
Really today, there are three types of machines, fully hydraulic, hybrid and all electric.
The energy consumption of the resistances is the same, also that of cooling water.
For the rest, regarding the hydraulics, there were small reductions in hybrid machines and depending on the duration of the refrigeration cycle there were greater reductions in all electric machines.
Today, with power reducers using Sinusoidal Motor Efficiency Controllers for the hydraulic pump, the energy consumption of a hydraulic and an all electric machine is the same.
The cost of reforming a hydraulic machine in all electric is 3 times that of installing an efficiency controller. The return on investment of the latter option is less than one year, 3 times less than the installation of servomotors. The time of modification of this modification is about 20 minutes, while the installation of servomotors and drivers could take a week.