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.

Will Tokyo require solar panels on new detached houses?

This will make Tokyo the first place in Japan to require solar panels on new detached houses. The ordinance will come into force in April 2025. “We have gone ahead with requiring businesses (to install solar panels),” Tokyo Governor Yuriko Koike said at a news conference held after the ordinance was approved.

How many buildings in Tokyo need solar panels?

According to the Tokyo metropolitan government, around 50,000 buildings and houses are built in Tokyo each year, and around 20,800 of these will need to have solar panels under the new rules. Around 20,000 of those qualify as other smaller structures in the second category.

Are construction companies required to install solar power in Japan?

However, small and medium-sized construction companies are not subject to this obligation. It is estimated that only half of the new buildings in Tokyo (40,000 to 50,000 units per year) will be subject to this obligation. Other cities in Japan are also starting to mandate the installation of solar power equipment.

Will Tokyo subsidize solar panels?

In March last year, the Tokyo Metropolitan Government established a 150 billion yen fund to subsidize the installation of solar power generation equipment for Tokyo residents. Subsidies will be provided if solar panels are installed during the construction of new eco-friendly houses or while retrofitting existing houses with insulation.

Where can I find information about solar power installation in Tokyo?

The Tokyo Metropolitan Government’s Bureau of Environment’s solar power portal site provides detailed explanations of not only the “subject of the mandatory installation,” but also the implementation date of the program (April 2025), “benefits of installing PV system,” “actual costs,” and other details.