NORTH SHORE—Kahuku will be home to the first wind farm Oahu has seen in approximately 20 years. First Wind, an independent North American wind energy company, is developing a wind farm on the North Shore that is expected to generate 30 mega watts of clean energy. The company, who is currently focusing on developing wind farms in the northeastern and western regions of the United States and Hawaii, must construct two towers that will provide the communication system between the wind farm and the eco grid and substations in Wahiawa and Waialua. The towers will be located in Kahuku and Waialua.
The towers will be home to a series of antennas that transmit “a narrow beam communication path that will be relayed from Kahuku to an existing tower in Kawela where they will be split and sent to Waialua, and to Maunakapu then Wahiawa,” says First Wind representative Wren Wescoatt.
The public has expressed concerns with the locations and height of the towers, which must be at least 60-feet tall. First Wind is looking for a higher elevation to place the Kahuku tower, something that would facilitate a decrease in the height of the tower itself. At the January North Shore Neighborhood Board meeting, First Wind representatives presented a “Photo Shopped” picture of what the tower in Waialua would look like and explained that they are planning to paint the tower an “earthy” tone, such as brown or green to “minimize visibility.”
North Shore residents asked why First Wind cannot run the signal through existing communication lines such as internet or cell phone towers. Wescoatt explained: “We need sub second communication. Basically the purpose is a high speed link so if Hawaiian Electric needs to disconnect the farm from the grid they can do that in under a second. Regular broadband would be too slow.”
First Wind plans to begin construction this year and is currently waiting for permit approval. According to Wescoatt, the Public Utilities Commission is currently reviewing the power purchase agreement, the legal contract between the electricity provider and a power purchaser.
Unlike fossil fuels, wind energy does not pollute the earth and cause carbon emissions that contribute to the growing problem of global warming. As of today, First Wind has one operating wind farm on Maui called Kaheawa Wind that generates 30 megawatts (MW) of energy, and is developing Kaheawa II, which is expected to generate 21 MW of energy. The company altogether produces 478 MW of energy through six operating wind farms throughout Hawaii, Utah, New York, and Maine.
Under the energy agreement signed between the State of Hawaii and Hawaiian Electric in October 2008 as part of the Hawaii Clean Energy Initiative, Hawaiian Electric committed to increasing renewable energy statewide by 1,100 megawatts by 2030.
In March 2009, Governor Linda Lingle along with First Wind Hawaii and Hawaiian Electric Company announced that they made an agreement that could lead to large wind farms on both Lanai and Molokai that would generate wind energy that would provide clean energy to Oahu.
Lingle said in a statement: “This agreement can significantly help meet our goal of increasing energy independence for Hawaii by speeding up the addition of a large increment of clean energy onto the Oahu grid. It shows that we are making real progress toward our clean energy goals by working together in the best interests of Hawaii.”
Background & Related Stories
Background
Hawaii wind power
A State mandate says that, by 2030, 40 percent of Hawaii’s electricity will be derived from renewable sources. In order to meet that goal, the State is considering a plan that includes building a wind farm consisting of 200 turbines, each over 400 feet tall, on Lanai to power Oahu.
The Hawaii Interisland Renewable Energy Program (HIREP) would produce renewable energy through the use of wind turbine technology on one or more Hawaiian Islands and transfer the electricity generated to another island or islands by means of one or more undersea cables for subsequent transmission and distribution to energy consumers.
Implementation of the proposed wind energy program would be a cooperative effort of the U.S. Department of Energy (DOE) and the State of Hawaii, represented by the Department of Business, Economic Development and Tourism (DBEDT), to advance the objectives of the Hawaii Clean Energy Initiative (HCEI), a partnership between the State of Hawaii and DOE with a goal of instituting a fundamental and sustained transformation in the way in which renewable energy resources are planned and used in the state.
In a letter send out to Lanai residents, Friends of Lanai state: “If the proposed industrial wind power plant for Oahu is built on Lanai, the destruction of our island is forever. It is irrevocable; we will not get our land back. Once the new roads are in, the massive holes dug, hundreds of thousands of cubic yards of concrete poured, and the 410 foot tall turbines erected, future generations of Lanaians will never again see the magnificent view planes, the rich cultural sites and the abundant game everyone who lives and visits Lanai enjoys today. They would be gone forever.”
On Oahu, Kahuku Wind (KW), the first wind farm on the island in over 20 years, went live in March. The farm will generate enough energy to power approximately 7,700 Oahu homes.
The Kahuku site, known as one of the windiest areas on the island, will supply approximately two to three percent of Oahu’s energy needs. First Wind had explored two other locations for their first Oahu farm, including Kaena Point. But after installing meteorological towers that measure wind speed and consistency at the Kahuku property, Kahuku proved to be the ideal location.
The 410-foot tall turbines that currently dot the property are estimated to last approximately 20 years. After that, the stainless steel, balsa wood, and fiber glass turbines that are produced in Idaho by Clipper Liberty, will be scrapped and replaced with new ones.
In the development phases of Kahuku Wind, Oahu residents were concerned about the farm being located too close to their homes, thus decreasing their property value, and being an eyesore. In August 2010, North Shore residents complained about the bumper-to-bumper traffic caused as turbine parts were being transported to the Kahuku Wind site for construction. Kahuku wind ultimately changed the transport times to avoid rush-hour traffic in the area.
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