The push is reinforced by Tokyo’s 2025 regulation requiring solar panels on new homes, and the launch of virtual power plant (VPP) programs—slated to begin in fiscal 2026—that will let households sell surplus energy to the grid.
[pdf] Most solar installations require an electrical and/or building permit. Determine if your utility requires an interconnection agreement to connect your solar system to their grid. Contact them early in the process. Decide between a DIY or professional install.
[pdf] A consortium of Norway's Scatec and Japan's Aeolus, a unit of Toyota Tsusho, will develop a 100 MW PV plant near Mazouna in Sidi Bouzid Governorate, all equiped with Battery Energy Storage System (BESS)
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