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Hydro kinetic power refers to the generation of power from the flow, current or velocity of water, whereas hydropower traditionally refers to power generated using dams or diversionary structures. Since hydro kinetic power relies simply on the velocity of water, these zero-head power systems can be placed into sources of flowing water with minimal infrastructure or environmental impacts. Hydro kinetic power is cutting-edge waterpower.
Hydro Green Energy's hydro kinetic power turbine arrays are composed of the only truly modular, interchangeable, zero-head, current-based turbines in the industry. Hydro Green Energy's dual duct, axial flow, interchangeable hydro kinetic array is covered by U.S. and International patents. Unlike conventional hydro turbines, our current-driven turbines operate in river (in-stream, free-flow, open-river or hydro kinetic run-of-river), ocean (ocean power) and tidal settings (tidal power).
Early rendering of Hydro Green Energy's dual ducted hydro kinetic turbine array (HTA) as viewed from below the surface of the water.
The nameplate capacity of the Hydro Green Energy design is 98 kW per unit (at 3.5 m/s) with a rotor diameter of 12 feet. Due to our surface suspension system, there are inherent operational maintenance and safety advantages. An on-board gantry allows for the raising and lowering of individual generating units in the hydro kinetic turbine array without having to conduct underwater diving and maintenance operations in extreme water velocity and near zero visibility conditions. The floating raft provides a platform for operation and maintenance workers to stand on and place equipment during activities. In a tidal energy setting, this advantage becomes even more pronounced since all maintenance activities typically occur within a 15 to 30 minute slack tide (the period during which the current reverses direction). From an underwater diving standpoint, the short operational window during the slack tide significantly increases the risk of injury to the divers and the potential loss of equipment.
Advantages of a current based hydro kinetic array:
• High capacity factor (~ 90+%) for in-stream river and ocean-current applications
• Highly predictable, baseload power
• Maximum net energy from in-stream river and ocean-current energy applications
• Peak power generation in tidal energy applications
• Highest degree of safety
• Large projects consist of robust and simple metal construction
• Small projects to consist of reinforced plastic construction
• Utilizes conventional mooring systems
• Simple installation using existing marine vessels
• Scalable to large power generating stations (100+ MW) – utility scale power
Image showing relative size of operations and maintenance
workers at Hydro Green Energy hydro kinetic project
