IRVINE, Calif.—The Orange County Power Authority (OCPA) and Poseidon Water, a seawater desalination developer, will work toward creating a desalination project powered 100 percent by renewable energy—the first of its kind in the Western Hemisphere, officials announced on Feb. 22. “Today, we’re bringing together the wind, the sun, the sea, and the warmth of Mother Earth to create life-sustaining water for our drought-stricken communities,” Orange County Power Authority CEO Brian Probolsky said during the press conference. Officials of the power authority and Poseidon signed a memorandum of understanding, a non-binding agreement with tentative plans for the developer to look into the feasibility of powering the planned desalination plant only and completely with renewable energy. The proposed desalination project in Huntington Beach, owned by Poseidon Water, would use an estimated 19 gigawatts per month, making it one of Orange County’s largest energy users. “Poseidon Water’s desalination project is already guaranteed to have zero carbon …