Starting in April 2025, Tokyo will require installing solar panels on all new residential buildings. This initiative is part of the “Carbon Half” goal, aiming to reduce greenhouse gas emissions in Tokyo by 50% by 2030 through the expansion of renewable energy usage. . Japan's first local regulation requiring solar panel installations on new single-family homes took effect on April 1 in Tokyo and Kawasaki in Kanagawa Prefecture. The new regulation, which also covers larger apartment and commercial buildings, marks a significant step in the country's efforts to. . Starting April 2025, Tokyo will implement a new regulation requiring solar panels on newly constructed homes. This directive is a key part of the city's comprehensive strategy to achieve net-zero carbon emissions by 2050. The original ordinance was the first of its kind in Japan, and after it was enacted, other cities and municipalities began. . New Tokyo regulations, effective April 2025, mandate that all newly built houses be equipped with solar panels to meet a net zero CO2 emission goal. If you're planning to get a new house or are considering getting solar panels, this guide will provide you with the essential information to help you. .
