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This briefing by RMI proposes a 'regional-first planning' framework to integrate large load interconnection requests (such as those from data centers) with system-wide transmission planning. The goal is to replace the current parallel, project-by-project approach with a coordinated model that identifies system-wide projects first to reduce total costs and improve regulatory oversight of network upgrades.

This policy brief by RMI argues that system-wide transmission planning is a more efficient and lower-risk method for integrating large loads, such as data centers, into the electric grid compared to the site-specific load interconnection process. The document outlines how comprehensive planning—which typically looks 5 to 20 years ahead—can reduce piecemeal network upgrades and deliver higher benefit-to-cost ratios through scenario planning and phased investment triggers.

This policy brief argues that the United States power grid lacks a comprehensive national development plan, unlike the European Union and China, leaving it fragmented and vulnerable to climate-related extreme weather. It advocates for the Federal Energy Regulatory Commission (FERC) to mandate minimum inter-regional power transfer capabilities and establish a robust planning process to improve grid resilience and resource sharing.