The BIG WIRES Act directs the Federal Energy Regulatory Commission to establish minimum requirements for electric transmission capacity between regions of the power grid within 18 months of enactment. Each region must be able to transfer at least 30 percent of its peak electricity demand to neighboring regions, or increase current transfer capacity by 15 percent of peak demand, whichever is less. Regions must develop joint plans by 2022 (two years after the rule takes effect) to meet these standards through new transmission lines, grid technology upgrades, or operational improvements, with construction timelines extending to December 2035. The bill aims to improve grid reliability during extreme weather and reduce electricity costs for consumers by better connecting regional power supplies, though it does not include specific federal funding and allows Texas to voluntarily participate rather than mandating compliance.
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