SPP Approves $8.6 Billion Transmission Plan to Strengthen Grid Reliability

Southwest Power Pool (SPP) has approved its 2025 Integrated Transmission Plan, a portfolio of high-voltage projects designed to meet rising electricity demand and enhance grid resilience across its 14-state region. The plan includes a new 765 kV backbone for efficient long-distance power delivery and supports interconnection of new generation resources. With electricity use expected to double in the next decade, these investments—projected to deliver $12–$18 in benefits for every dollar spent—will ensure reliability, enable economic growth, and prepare the grid for future challenges

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