Super Yacht “Genesi” equipped with ESS from EST-Floattech

Wider 150



Type of vessel




Year of realization


Battery capacity

546 kWh

Battery solution

Green Orca





Shipbuilding technology in a super yacht: Wider 150

The EST-Floattech Green Orca batteries with 546 kWh are the heart of the system; these store the energy produced by the generators and release it according to the owner’s requirements. If the owner wishes to run in zero-emission mode using just the batteries or likes a night at anchor without running the generators, they can do so. If the vessel needs higher performance, then the yacht can be run from the variable-speed generator engines, but any excess power is diverted to recharge the battery banks, so there is no wastage whatsoever.

The benefits of this system are truly noteworthy. Conventional yachts run generators at a fixed speed, burning fuel at a fixed rate whether that be too little or too much for the load at the time. By connecting the engines to alternators WIDER offers variable speed generators that will only be run at the speed that is necessary at the time. The result of this is greater time between overhaul of the engines, greater fuel economy, and greater comfort since noise and vibration are kept to an absolute minimum.

The WIDER 150 has a propulsion system that draws inspiration from thousands of military and commercial vessels that run using diesel electric power. The WIDER Engineering team have sourced experienced and proven suppliers to adapt diesel electric technology to a super yacht setting, where not only reliability and economy are called for, but also supreme comfort and convenience.

The layout of the vessel is quite unlike any other super yacht. WIDER has placed four variable speed generators in the bow that produce energy and transmit it to the propulsion system and the “hotel”. By using AziPods, there is no need for mechanical components such as a propeller shaft.

W150 by wider genesi beach club and wider 32 tender
Wider 150
Wider 150 2

“The layout is an important feature, conventional yachts have two large engines right in the middle of the hull, connected to two propeller shafts. The best part of the yacht is given over to the engines, these can create noise and vibration that can disturb the owner and his guests.”

Tilli Antonelli, Founder and CEO of WIDER

Video from Luxury Today

The battery system

When the sea trails of this vessel were succesfully completed, the vessel has shown that is can easily be maneuvered and the battery system worked as planned. Tilli Antonelli said to Luxury Today that the battery tests were a great succes.

“The battery tests were a great success, the yacht ran comfortably at 5kts in ZEM consuming no fuel whatsoever….but the most remarkable and memorable aspect was that she ran in total silence!”

Tilli Antonelli, Founder and CEO of WIDER.

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