CUstom Electric systems

STOK Electric

Custom hybrid and electric systems for sailing yachts


STOK Electric offers custom hybrid and electric systems including energy optimization for sailing vessels. This allows for cleaner, quieter, and safer sailing.

Why go electric?

The market will change in the nearby future. Diesel engines will be less desirable due to emissions. In this case a hybrid or electric system makes sense. Besides this there are many reasons to go hybrid or electric, several of which are:

  • Increased self-sustainability 
  • Increased reliability
  • Increased safety and maneuverability
  • Increased comfort
  • Instant power when needed
  • Less maintenance
  • Sustainable, CO2-reduction
  • Possible to enter city-centers and nature reserves by boat
  • And more.
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About us

We are Antonie and Berend Stokman, two brothers who are the drive behind STOK Electric, an innovative company located in the Netherlands. 

Our knowledge covers a broad area, from our love for sailing to our electrical and mechanical knowledge. 

We are a system integrators company with a strong network of partners with extensive knowledge and experience, made it possible for us to design our unique custom hybrid or electric propulsion system.  

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Our focus

We focus on a niche group of yacht owners. These are the pleasure yachts that were never produced in high volumes and do not fit the “plug-and-play” kits other companies offer. 

We offer optimized custom solutions for every yacht in this niche category, this way we can get the maximum performance out of a ship. 

Above all, safety and reliability are especially important to us and serve as our main focus points. 

Hybrid propulsion

In our case, hybrid propulsion simply means that the diesel engine in the ship is replaced by an electric motor, diesel generator and a battery pack.

This battery pack can be charged with hydrogeneration, external power and solar power. We use a special type of Lithium battery which can be extinguished with (salt)water. Whereas most common Lithium batteries used in electric crafts cannot be extinguished when something does go wrong. This is one of the reasons why our system is safe.

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