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Consolidated Water Advances Permitting for Kalaeloa Seawater Desalination Project in Hawaii

$CWCOPress releaseOct 21, 2026, 8:31 AM ETRead the release

Consolidated Water received key permitting approvals for its Kalaeloa seawater desalination project on Oahu, including from the State Historic Preservation Division and the Hawaii Department of Health. Construction is now expected to begin in the first half of 2027, delayed from the previous late-2026 expectation, though the Honolulu Board of Water Supply has granted schedule extensions and remains supportive. In July 2026 the client issued a limited notice to proceed authorizing roughly $6 million for long-lead equipment procurement, aimed at keeping the project on track once remaining permits arrive.

Key figures

Operating term
20 years with two five-year extension options
Plant capacity
1.7 million gallons per day
Construction start
first half of 2027 (previously late 2026)
Limited notice to proceed
$6 million

AI analysis

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