Inexhaustible energy from flowing water created by:

Rivers
Small dams built for flood control or recreation
Tidal currents
Ocean currents
Discharge from conventional hydro-power dams
Discharge from industrial plants
Ecologically benign:

No raw material consumed in power production
No waste product to dispose of
No flooding from dams
Minimal obstruction of water flow—fish and fauna friendly

A totally non-polluting process

Characteristics

The Gorlov Helical Turbine (GHT) was specifically designed for hydroelectric applications in free flowing low head water courses.
The following benefits make the GHT
especially valuable for generating hydroelectric power:

Demonstrates superior power efficiency in free currents compared to other known turbines
Rotates at twice the velocity of the water current flow.
Self-starting in water current flows as low as two ft/s
Rotates in the same direction, independent of water flow direction. This is especially advantageous for tidal and wave energy systems.
No fluctuation in torque
No cavitation even at high rotating speeds
Allows construction of environmentally benign hydropower plants without dams
Modular—can be assembled vertically, horizontally or in any other cross-flow combination using a common shaft and generator for an array of multiple turbines.
The modular design offers great flexibility, which can simplify and reduce the construction, expansion and maintenance costs of a power generating facility.
Flexible generating capacity proportionate to the number of modules
Flexible progressive installation to suit available financing
Adaptable to local needs—homesteads, villages, islands, cities, countries
Long-term perspectives
To reduce dependence on central power generation, especially in developing countries
To provide electrification to remote areas which might never be reached by a power grid
To reduce dependence of whole countries on exporters of oil, coal, nuclear and other imported fuels
To open up new collaborative projects between nations to manufacture, install and pay for power supplies, e.g., between North and South Korea
Can be used onsite to produce hydrogen for fuel cells from oceon or river currents.