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Aside from good site wind characteristics, the size of land requirements for wind farms is a major issue for wind farm developers who desire to achieve maximum revenue potential from their available sites. This issue is, however, equally important for wind power systems developers who want to provide competitively attractive machines for sites of wind developers and communities who want to minimize and improve their view.

The following highlights the reduced land requirements of Wind Amplified Rotor Platform (WARPtm) wind power systems compared to conventional large bladed windmill systems. Windmills generally require a spacing of 10 rotor diameters when arrayed in wind farms to avoid large interference losses (20 diameters would give negligible interference). Interference means energy capture loss and associated revenue loss. Such large spacing requires sizeable land or area and infrastructure cost, whether for onshore or offshore wind farms.

To illustrate the impact, the WARP windpower systems and large rotor windmills were sized and rated about the same for exactly the same wind conditions and will yield roughly the same energy output.

WARP system spacing is based on the maximum tower diameter (or width) which includes the rotors. When comparing the land needs of WARP systems to conventional large rotor diameter windmill systems with equivalent power and energy capture, the percent land needs of WARPs relative to the big bladed windmills can be approximately calculated by the formula:

% Wind Farm Land of WARPs= [WARP Max Tower Width Squared] divided by [Windmill Rotor Diameter Squared]

Assuming both a 1 MW WARP system and 1 MW large rotor windmill are sized and rated identically for exactly the same wind conditions they will yield roughly the same energy output, disallowing for greater WARP height effects benefit. A wind farm using WARPs would therefore need only about 30% of the land area that a wind farm of equivalent power and energy large rotor windmills needs. If WARP systems are spaced 20 tower widths apart while windmills are held at 10 diameter spacing, the land needs for the WARP wind farm are still only about 50% less plus will provide more energy capture due to less interference spacing.

Clearly, taller and more powerful WARP units can be used relative to conventional large diameter windmills (which have size and height limits of about 100 meters) so area use would drop even further for a WARP wind farm, or, conversely, energy capture would increase substantially for a WARP wind farm.

ENECO is a specialized technology R&D, engineering consulting, and intellectual property licensing firm dedicated to assisting commercial development through patent licensing of its breakthrough modular and multi-tasking Wind Amplified Rotor Platform (WARPtm) wind power technology. This widely internationally patented technology has gained world-wide recognition and forms the basis for the next generation of environmentally complying wind electric power generation plants that are economically well suited for on-shore and offshore (both in shallow and deep water sites) application. Over $1,500,000 in research and development has been conducted, including with Rensselaer Polytechnic Institute supported by the New York State Energy Research & Development Authority (NYSERDA), which has verified proof-of-concept of WARP. WARP patents and technology rights may be acquired under license through representatives or directly.

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