The TREK turbine by RER

Its benefits are many:

Requires no dam land conservation for wildlife, agriculture and recreation.
Easily installed requiring minimal civil works structures.
Operates in many climate and river types.
Flexible Functions independently or can be connected to an isolated and/or interconnected power grid.
Scalable more turbines can be added should demands increase, helping communities with sustainable development.
Competitive electricity cost is on par with other renewable energy power production options.