VDE Americas, a US-based technical advisory and risk assessment firm, has released guidance addressing beginning of construction requirements for solar projects linked to federal tax credit eligibility. The guidance was issued ahead of the July 4, 2026 deadline affecting qualification for clean energy tax credits. According to the company, regulatory changes under the One Big Beautiful Bill Act have altered eligibility pathways, including removal of the five percent safe harbor for some commercial projects. Solar projects exceeding 1.5 MW must now demonstrate qualified physical work of a significant nature to establish beginning of construction. The guidance is presented through a technical memorandum covering investment and production tax credits across commercial, utility-scale, and community solar segments. In addition, VDE Americas has outlined strategic recommendations, including reviewing the technical memorandum and meeting construction commencement deadlines. The firm also emphasized strengthening documentation standards and aligning contracts and technical specifications with tax credit eligibility requirements to reduce compliance risk.

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