• IDE Technologies Has Selected Protec Arisawa and Dow Water & Process Solutions

    Carlsbad, CA (October 6, 2014) – Poseidon Water has announced that IDE Technologies has selected Protec Arisawa and Dow Water & Process Solutions to provide the pressure vessels and reverse osmosis membranes for the Carlsbad Desalination Project. Read more.  

  • Crews Reach Halfway Point on Construction of 10-Mile Pipeline

    Carlsbad, CA (May 29, 2014) – The 10-mile pipeline that will connect the Carlsbad Desalination Plant to the San Diego County Water Authority’s distribution system is 50 percent complete, Poseidon Water and the Water Authority announced today. Read more.

  • One Year in Construction

    Carlsbad, CA (January 8, 2014) – City leaders, San Diego County Water Authority board officers,  IDE Technologies, NRG Energy and Poseidon Water executives visited the Carlsbad Desalination Project today to mark the first anniversary of construction on the Western Hemisphere’s largest seawater desalination plant, which is more than 25 percent complete. Read more.

  • Desalination Plant is on Course for 2016

    Carlsbad - One year after construction began, the $1 billion Carlsbad desalination plant is under budget and on schedule to begin producing 50 million gallons of drinking water per day when it opens in 2016. Read more.

  • Carlsbad, Unsalted

    New seawater desalination plant has potential to build on growing momentum for desal in U.S. Read more. 

  • Carlsbad Desalination Project Wins ‘North American Water Deal of the Year’

    March 8, 2013 -  The Carlsbad Desalination Project was honored Thursday in New York as the “North American Water Deal of the Year” for 2012 by Project Finance, an international trade publication that annually highlights major industry accomplishments around the world. Read More

  • In California, What Price Water?

    CARLSBAD, Calif. — The San Diego County Water Authority has agreed to buy at least 48,000 acre-feet of water from the plant each year for about $2,000 an acre-foot. An acre-foot equals about 326,000 gallons, roughly enough for two families of four for a year. The authority has made a long-term bet that those costs — now double those of the most readily available alternative — will eventually be competitive. But it still means the authority will pay more than $3 billion over 30 years for only about 7 percent of the county’s water needs. Read More

  • With Financing Complete, Poseidon Inks Deals for Construction, Operation of Carlsbad Desal

    SAN DIEGO - Poseidon Water has closed the $922 million financing and secured all funding needed to build the Carlsbad Desalination Project, capping a decade-long development effort to create the largest seawater-desalination plant in the Western Hemisphere. Read more.

  • 4th District Appellate Decision in Favor of Poseidon

    The 4th District Appellate court has ruled in favor of Poseidon Water in the case of Surfrider Foundation vs. California Regional Water Quality Control Board, San Diego Region. From the ruling: "Surfrider Foundation (Surfrider) appeals from the trial court's denial of its petition for a writ of mandamus challenging the approval of the National Pollutant Discharge Elimination System (NPDES) permit by the California Regional Water Quality Control Board, San Diego Region (the Regional Board) for a ..." Read more.

  • Two More Favorable Decisions Move Poseidon's Desalination Project Forward

    Just one day after the San Diego County Water Authority Board of Directors approved a 30-year contract to purchase water produced by the proposed Carlsbad Desalination Project, two more favorable decisions are helping to move forward Poseidon Waters’ project. Read more.

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