For eligible residents who don’t already have a “Dude Shemesh”, the Israeli government will pay NIS 900 (at least 25%) towards the cost of changing from an electric water heater to a solar powered one. A new eco-friendly heater saves an average of NIS 1000 a year.
http://nofryers.com/switch-to-a-solar-water-heater-dud-shemesh-get-a-govt-purchase-subsidy-save-monthly/