Technology

Building an Interregional Transmission Overlay for a Resilient U.S. Grid

Source

IEEE Spectrum

Published

Apr 22, 2026

TL;DR

AI Generated

The white paper discusses the need for a U.S. Interregional Transmission Overlay to address challenges such as aging infrastructure, increasing data center demand, and integrating renewable energy sources. It highlights how this overlay using HVDC and EHVAC technologies could enhance grid resilience, reduce costs, and connect renewable-rich areas with major demand centers. The paper outlines key challenges like planning coordination, investment barriers, and regulatory uncertainties that must be overcome. It also suggests actionable steps for utilities and developers to take, emphasizing the importance of a more interconnected grid to meet future demands and ensure reliability.

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