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Congress·In Committee·S. 3947

Senators McCormick and Welch Introduce REWIRE Act to Speed Up Power Grid Upgrades with Advanced Wires

REWIRE Act

21 days ago·View on Congress.gov

Legislative Progress

Senate
House
President
Law

Key Points

  • The bill creates a fast-track environmental approval for upgrading power lines within existing rights-of-way, skipping lengthy environmental reviews when work happens on already-disturbed land. This could dramatically speed up grid modernization projects.
  • The bill defines "advanced transmission conductors" as wires that carry at least 70% more electricity, have 10% lower electrical resistance, and expand 50% less from heat compared to traditional aluminum-and-steel cables. These would replace aging infrastructure on existing routes.

    From policy text

    “has a potential energy carrying capacity at least 70 percent greater than a traditional ACSR conductor of a similar diameter and weight”
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  • FERC would be required to create new rules within one year allowing power companies to earn a higher return on equity when they invest in advanced conductors, giving utilities a financial incentive to choose modern technology over cheaper traditional wires.

    From policy text

    “Not later than 1 year after the date of enactment of the REWIRE Act, the Commission shall promulgate new, or revise existing, rules under this section to improve the return on equity for investments in advanced transmission conductors”
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  • The Department of Energy would set up a national laboratory program to model grid performance and create regional collaboratives with universities, helping plan where advanced conductors and grid-enhancing technologies would do the most good.

    From policy text

    “The Secretary, acting through 1 or more National Laboratories, in consultation with the Commission and the Electric Reliability Organization, shall establish a program to model and evaluate the performance of the electric grid.”
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  • The bill also directs DOE to publish an application guide within one year and offer technical assistance to utilities, states, and grid operators looking to install advanced conductors and grid-enhancing technologies, with a clearinghouse of lessons from past projects.

    From policy text

    “Not later than 1 year after the date of enactment of this Act, the Secretary shall establish an application guide for eligible entities seeking to implement-- (A) advanced transmission conductors, including through reconductoring with advanced transmission conductors; and (B) grid-enhancing technologies.”
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Energy EnvironmentInfrastructure Transportation

Impact Analysis

Personal Impact

Scores: 1 = low, 5 = highSentiment: -5 to +5 (net benefit)

Milestones

2 milestones2 actions
Feb 26, 2026Senate

Read twice and referred to the Committee on Energy and Natural Resources.

Feb 26, 2026

Introduced in Senate

What Happens Next

Projected impacts based on AI analysis

Within 1 year of enactment

FERC must issue new rules giving utilities higher profits for investing in advanced transmission conductors

Utility companies would have a strong financial reason to start upgrading old power lines with modern technology, which could eventually mean a more reliable grid for consumers

Within 1 year of enactment

DOE publishes an application guide and starts providing technical help to utilities and states

Smaller utilities and rural power providers that lack in-house expertise can get expert guidance on how to upgrade their power lines with advanced technology

Source Information

Document Type

Congressional Bill

Official Title

REWIRE Act

Bill NumberS 3947
Congress119th Congress
ChamberSenate
Latest ActionRead twice and referred to the Committee on Energy and Natural Resources.

Sponsor

Cosponsors

(1)
D: 1

Analysis generated by AI. Always verify with official sources.