Featured in The journey to 100 GW – 05-2023

Japan turns to the rooftop

Japanese policymakers are now looking at rooftop solar panels as land is scarce in the country and agrivoltaics, building-integrated PV (BIPV), and floating solar are still in their infancy, reports Mark Hutchins.

By

Mark Hutchins

03 May 2023

From April 2025, new buildings in the Tokyo region will be required to install solar. Other regions are expected to implement similar policies in the run up to 2030. | Photo: pv magazine/Mark Hutchins

As 2030 and its targets for decarbonization loom, Japan is looking for ways to raise its commitment to renewable energy. For solar, already constrained by a shortage of suitable land to develop new projects, rooftops offer the best opportunity to rapidly build new generation capacity. And now both the central government and regional authorities in …

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