Since then there's been a lot of wind farms installed in Hawaii and most homes have solar powered water heaters (from personal observation). Don't know anything

Since then there's been a lot of wind farms installed in Hawaii and most homes have solar powered water heaters (from personal observation). Don't know anything about the sea cooling concept but it seems viable and for long time cornell has done it or at least on a tour they said they did https://fcs.cornell.edu/departments/energy-sustainability/utilities/cooling-home/cooling-production-home/lake-source-cooling-home/how-lake-source-cooling-works https://fcs.cornell.edu/departments/energy-sustainability/ut... https://www.ithacajournal.com/story/news/local/2015/10/02/cornells-lake-source-cooling-pipe-get-cleaning/73236856/ https://www.ithacajournal.com/story/news/local/2015/10/02/co... Interesting..