Japanese home solar panels

Can solar panels be installed on new homes in Japan?

Solar panels on the roofs of homes in Hachioji, western Tokyo (Asahi Shimbun file photo) 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.

When will solar panels be required in Tokyo?

Starting April 2025, Tokyo will implement a new regulation requiring solar panels on newly constructed homes. What Is the Mandatory Solar Panel Installation? Starting in April 2025, Tokyo will require installing solar panels on all new residential buildings.

How much do solar panels cost in Japan?

The government encourages new detached houses to install solar panels, and subsidies greatly help reduce the costs of installing solar panels. Currently, the average price for a solar panel in Japan ranges from 200,000 to 400,000 yen per kilowatt (kW). Are there subsidies for installing solar panels in Japan?

Are solar panels required in Japan?

Smaller housing manufacturers are also exempt from the new rules due to the substantial paperwork and other challenges involved. As a result, only half of the 49,000 residential homes built annually in Tokyo are expected to be required to install solar panels. Nationwide, Kyoto and Gunma prefectures have already implemented similar regulations.