On December 11, 2025, a significant energy regulation officially took effect in Israel: all new residential buildings and certain types of towers are now required to install rooftop solar panels to obtain construction permits. Which Buildings Are Subject to the Mandate?The use of solar energy began in Israel in the 1950s with the development by Levi Yissar of a solar water heater to address the energy shortages that plagued the new country. By 1967 around 5% of water of households were solar heated and 50,000 solar heaters had been sold. 43 installers based in Israel are listed below. List of Israeli solar panel installers - showing companies in Israel that undertake solar panel. SolarWat is an Israeli company that developed new generation of a proven and patent-protected solar system that provides significantly higher energy yield under all possible lighting and environmental conditions, double system lifespan, higher IRR at decreased system cost per watt. The National Council for Planning and Construction approved today (08/06) new regulations requiring the installation of solar systems.
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