Thailand’s recent developments in the solar energy sector may appear fragmented at first glance—ranging from policy announcements to community projects and public-sector installations. However, when viewed holistically, these developments clearly point in the same direction: a structural transformation of Thailand’s power system to integrate solar energy as a core component rather than a supplementary source. This transition spans policy design, grid architecture, and real-world deployment. Solar Power in the New PDP: From Supplementary Energy to System Backbone The most significant…