Renewable Energy Technology Assessments - Kauai Island Utility ...
Renewable Energy Technology Assessments - Kauai Island Utility ... Renewable Energy Technology Assessments - Kauai Island Utility ...
Kaua’i Island Utility Cooperative Renewable Energy Technology Assessments 8.0 Hydro Wailua project because it would “reduce the flow of Wailua Falls and might endanger native fishes.” 90 Like any significant development, hydropower projects are likely to be opposed by at least some. Figure 8-7. Wailua Falls. 8.4.4 Waimea Mauka The Waimea Mauka plant in the southwestern portion of the island could receive an upgrade from 1.0 MW to 3.9 MW according to the 1981 Corp study. 91 It was listed as a project of “medium potential”. The only Kauai project with “high” potential, the Kaumakani hydropower plant, has already been upgraded. No other details were available on this concept. It is likely that additional capacity is based on utilizing the existing Waiahulu Intake and Waimea Mauka powerplant and converting portions of the 89 Himalayan Academy website, Daily Chronicle for August 25, 2004, http://www.himalayanacademy.com/taka/past/2004/August/August_25_2004/ 90 Environment Hawaii, Kauai Development Digest, no date, http://www.environmenthawaii.org/ddkauai.htm. 91 U.S. Army Corps of Engineers, National Hydropower Resources Study, Regional Assessment: Alaska and Hawaii, Volume XXIII, September 1981. 21 March 2005 8-12 Black & Veatch
Kaua’i Island Utility Cooperative Renewable Energy Technology Assessments 8.0 Hydro upstream Kekaha Ditch to penstock to generate additional head. A photo of the generator at the existing power plant is shown in Figure 8-11. Along with the Kokee project below, the lands draining this project are under the influence of the State Department of Agriculture under the auspices of the Agribusiness Development Corporation (ADC). ADC is also the current project owner. The ADC was formed in 1994 to facilitate and provide direction for the transition of Hawaii's agriculture industry from a dominance of sugar and pineapple to one composed of a diversity of different crops. One of its main objectives is to facilitate in the orderly transition of existing agribusiness resources of land, water and infrastructure as they become available. 92 Another influence on this and the Kokee project may come from one of the last remaining plantation holders, Gay & Robinson, who control 51,000 acres in the area from their headquarters in Makaweli. Gay & Robinson is interested in renewable energy including hydropower to the extent that it creates a positive financial opportunity. Figure 8-8. Waimea Mauka Hydropower Plant Vicinity (source: Hawaii DOA). 92 http://www.hawaiiag.org/hdoa/adc.htm 21 March 2005 8-13 Black & Veatch
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Kaua’i <strong>Island</strong> <strong>Utility</strong> Cooperative<br />
<strong>Renewable</strong> <strong>Energy</strong> <strong>Technology</strong> <strong>Assessments</strong> 8.0 Hydro<br />
Wailua project because it would “reduce the flow of Wailua Falls and might endanger<br />
native fishes.” 90 Like any significant development, hydropower projects are likely to be<br />
opposed by at least some.<br />
Figure 8-7. Wailua Falls.<br />
8.4.4 Waimea Mauka<br />
The Waimea Mauka plant in the southwestern portion of the island could receive<br />
an upgrade from 1.0 MW to 3.9 MW according to the 1981 Corp study. 91 It was listed as<br />
a project of “medium potential”. The only <strong>Kauai</strong> project with “high” potential, the<br />
Kaumakani hydropower plant, has already been upgraded. No other details were<br />
available on this concept. It is likely that additional capacity is based on utilizing the<br />
existing Waiahulu Intake and Waimea Mauka powerplant and converting portions of the<br />
89<br />
Himalayan Academy website, Daily Chronicle for August 25, 2004,<br />
http://www.himalayanacademy.com/taka/past/2004/August/August_25_2004/<br />
90<br />
Environment Hawaii, <strong>Kauai</strong> Development Digest, no date, http://www.environmenthawaii.org/ddkauai.htm.<br />
91<br />
U.S. Army Corps of Engineers, National Hydropower Resources Study, Regional Assessment: Alaska<br />
and Hawaii, Volume XXIII, September 1981.<br />
21 March 2005 8-12 Black & Veatch
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