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Laughlin coal-fired power plant going away

Owner gives up hope of restoring facility

A giant coal-fired power plant built nearly four decades ago in Laughlin will be dismantled, Southern California Edison said Wednesday.

The 1,580-megawatt Mohave Generating Station, which is 14 percent owned by NV Energy, has been moth-balled since December 2005. By decommissioning the plant, the owners indicated the power plant will not be returned to service.


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  • "It's a significant final decision on the part of the owners not to restore that plant ever again as a coal plant," said Roger Clark, air and energy director for the Grand Canyon Trust. "It's the first large Western coal plant to shut down."

    The Grand Canyon Trust, the Sierra Club and National Parks Conservation Association sued the owners of Mohave, because of haze over the Grand Canyon and other air pollution that was caused by the plant. The plant owners in 1999 agreed to a federal court order that required additional air pollution reduction at Mohave by December 2005.

    When efforts to negotiate new coal and water contracts stalled, the owners stopped operations at Mohave rather than invest in new pollution-reduction equipment. However, the owners had considered selling Mohave to third parties that would restart the plant using natural gas, rather than coal, as fuel.

    The decision to dismantle the power plant will mean a windfall of sorts for the Las Vegas Valley's wholesale water supplier.

    Under a deal struck in 1993, the Southern Nevada Water Authority agreed to supply the plant with as much as 19,000 acre-feet of water a year from the Colorado River.

    The most the plant ever required in one year was 13,000 acre-feet. Since the facility was mothballed at the end of 2005, water use there has dropped to a few hundred acre-feet a year.

    With no plant to supply, the authority is now free to put the entire block of water to some other use. The average Las Vegas home uses about half an acre-foot of water a year, so 19,000 acre-feet could supply roughly 38,000 homes.

    Shutting the plant down caused economic distress to the Navajo Nation, which supplied coal to Mohave through a slurry line.

    The Indian tribe received $29 million in annual royalties from the Black Mesa Mine, which provided coal for Mohave. About 200 Navajo workers lost jobs at the mine. Some found work at the Kayenta Mine, which provides coal to the Navajo Generating Station near Page, Ariz., some retired and some are unemployed, said Navajo Nation spokesman George Hardeen.

    "It's jobs. That's how the Navajo Nation looks at it," he said.

    The Hopi Tribe received $6 million in royalties from the mine, about one-third of its annual budget.

    Southern California Edison, which owns 56 percent of Mohave and operated it, said Wednesday it would decommission the plant and remove generating equipment from the site. Edison expects to issue a request for proposals for the work, which will start late this year and take two years. Edison expects the decommissioning to cost $30 million, less the value of salvaged materials.

    Studies indicated that the site might be suitable for solar power production, but the company said it needs a more detailed assessment.

    NV Energy referred a request for comment to Edison. Other owners are the Salt River Project and Los Angeles Department of Water and Power.

    Review-Journal writer Henry Brean contribued to this report. Contact reporter John G. Edwards at jedwards@reviewjournal.com or 702-383-0420.

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    ramon agular wrote on October 30, 2009 07:04 PM: ramon aguilar

    I already sent you an a-mail.

    A I think I can apply and put to work one of my proyects, taking advantage of the mohave generating station facilities, and start to produce electricty and a very little short time.

    answer me as soon as you can.

    ramon aguilar 985 518 0167


    John - Limit wrote on July 10, 2009 04:36 AM: CRap!


    Foo Bar wrote on June 17, 2009 01:03 PM: This is a very interesting case study of how different concerns are balanced out. We lose power generation and jobs, electric rates will probably rise. OTOH, water is preserved in the area (a very dry area with little water to spare) and the air will be cleaner.

    Was it worth it? Maybe. I think the best compromise would be a nuclear plant. 1.5GW of generation capatacity is a lot to lose.


    Fair and Balanced Fred wrote on June 11, 2009 07:17 PM: n 2005, the Mohave Generating Station ceased operations due to a Clean Air Act lawsuit and because Navajo and Hopi tribes passed resolutions ending Peabody’s use of the Black Mesa aquifer. According to the EPA, the coal plant was the dirtiest in the Western U.S., emitting up to 40,000 tons of sulfur dioxide per year.[2]

    Southern California Edison chose to shut down the plant rather than upgrade it to acceptable pollution standards. The plant was the sole customer of the Black Mesa mine, and Peabody did not have an alternative source of water, so operation of the mine and slurry line ceased as well.

    In 2006, the Office of Surface Mining released a Draft Environmental Impact Statement that included plans to re-build the coal slurry line to transport coal to the Mohave Generating Station. However that plan was halted in favor of an alternative proposal to supply Black Mesa coal to the Navajo Generating Station in Page, Arizona


    wake up wrote on June 11, 2009 03:59 PM: Moapa power plant is next, power rates have gone from 90.00 a month to between 245.00 to 400.00 for our household. Keep that green energy coming and once again the white skins have done you wrong Navajo/Hopi Indians


    Joe Bama wrote on June 11, 2009 10:19 AM: The Navajo will now have clean air to breathe as they starve to death.


    John-AZ wrote on June 11, 2009 10:17 AM: Great! tear that ugly eye-sore out!! has anyone ever checked the lung cancer incident rate in that area? it is surprisingly high on a per-capita basis.


    John wrote on June 11, 2009 08:19 AM: Can you just feel the glee from the greenies as they closed "the first" of the power plants?

    And what about the several other power plants that have decided not to be built because of the licensing problems and potential litigation and delays?

    We can all rejoice now with our higher electric bills and reduced energy supply.


    V wrote on June 11, 2009 08:10 AM: This power plant was responsible for the Navajo-Hopi Land dispute which has moved 15,000 people. The owners of the coal are the individual Hopi and Navajo Indians with their land titles which was nationalized via Healing v. Jones and PL 93-531 to kill off the owners before they find out. 34 Stat 1021 authorizes allotments which includes mineral rights.

    The payoff was to the Navajo Nation and only 200 workers and coal royalty. The coal royalty would then be spent on Navajo Nation salaries on Navajos who do not live near the Black Mesa Mine. The real owners of the Black Mesa Mine are then hauled away to a foreign land to die. This power plant promoted such unethical activity of murder.