Solar-Powered Desalination Advances Antigua’s Agricultural Resilience
The Blubber Valley Osmosis Plant has reached a major milestone under a solar-powered desalination project led by the UN Food and Agriculture Organization (FAO), the Ministry of Agriculture, and Texas Tech University.
The initiative uses solar-driven reverse osmosis technology to convert brackish groundwater from an APUA well into irrigation-ready water for priority crops in Antigua and Barbuda.
Professor Shane Walker of Texas Tech University explained that each system cycle produces about 2,000 gallons of low-salinity water suitable for agriculture and 1,000 gallons of brine concentrate.
While the permeate supports crop irrigation, experts emphasize that careful brine management will be crucial to prevent long-term soil salinity issues. The Ministry is assessing salt-tolerant crops and plans to test the system across Antigua’s varied soil regions—north, central plains, and south.
With the solar array and desalination plant now fully operational, the next phase involves working directly with farmers to apply the technology in the field.
FAO National Project Coordinator Luke Nedd said the project aligns with regional climate-smart agriculture goals, demonstrating how renewable energy and innovation can strengthen water security and support sustainable farming.
This story was first published by Antigua News on : antigua.news/2025/11/15/solar-powered-desalination-advances-antiguas-agricultural-resilience. © 2025 Antigua News. Republication without permission is not allowed.
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