The diagram below provides an overview of the various sub-systems of the diesel-electric hybrid.

Real life implementations – Watt Knot & Stray Not Far
Waiting to go. A standard Beta Marine 43 with the electric motor attached to the prop shaft. Installed in the engine room
The battery bank – 24 wet cell traction batteries sit in their own compartment between the engine bay and the cabin. A closer look
The system information panel sits beside the standard morse controller. It shows, in this instance, the number of amps being used when in electric drive.