REWIRE Act
- Sponsor
- Sen. McCormick, David [R-PA]
- Committees
- Energy and Natural Resources Committee (primary)
- Last action
- Apr 15, 2026
Bottom line
The REWIRE Act aims to accelerate electric grid modernization and expansion by reducing regulatory hurdles and providing financial and technical support for advanced transmission technologies.
What it actually does
This bill streamlines the environmental review process for electric grid upgrades within existing rights-of-way by establishing a categorical exclusion under the National Environmental Policy Act (NEPA). It also incentivizes the adoption of advanced transmission conductors and grid-enhancing technologies by improving their return on equity and establishing new federal modeling and technical assistance programs. The goal is to accelerate the modernization and expansion of the electric grid's capacity and reliability.
Proponents argue
Proponents argue that the bill is essential for modernizing the aging electric grid, enhancing its reliability and resilience against extreme weather and cyber threats, and facilitating the integration of new energy sources. They contend that streamlining environmental reviews for upgrades within existing footprints will significantly reduce project timelines and costs without compromising environmental protections, while incentives will drive innovation and efficiency.
Opponents contend
Opponents, particularly some environmental advocates, may argue that establishing a categorical exclusion for grid upgrades, even within existing rights-of-way, could weaken critical environmental protections and reduce public input on projects. They might contend that while grid modernization is important, it should not come at the expense of thorough environmental assessment, and that the bill could lead to unforeseen localized impacts.
The bill is relatively short and its core provisions are clear, making it accessible for an informed reader to understand its primary impacts within a reasonable timeframe.
Section 3
Categorical Exclusion for Grid Capacity Expansion
This section amends the Federal Power Act to create a categorical exclusion from NEPA requirements for activities that increase electric grid capacity within existing rights-of-way or on previously disturbed land. This means projects like reconductoring (replacing old wires with new, higher-capacity ones) and installing grid-enhancing technologies would no longer require a full environmental assessment or environmental impact statement, significantly speeding up project approvals.
Supporters argue
Supporters argue this exclusion is crucial for modernizing the grid efficiently, as upgrades within existing footprints have minimal new environmental impact and current review processes cause unnecessary delays for vital infrastructure projects.
Critics contend
Critics contend that even upgrades within existing rights-of-way can have environmental consequences, and a categorical exclusion removes an important layer of public and environmental oversight, potentially leading to overlooked impacts.
Tradeoffs
The provision balances the urgent need for grid modernization and expansion with concerns about maintaining robust environmental review processes and public participation in infrastructure development.
Section 4
Enhanced Return on Equity for Advanced Transmission Conductors
This section directs the Federal Energy Regulatory Commission (FERC) to establish or revise rules to improve the return on equity (ROI) for investments in advanced transmission conductors. By offering a better financial incentive, the bill aims to encourage electric utilities and transmission developers to adopt these higher-capacity, more efficient technologies, ultimately modernizing the transmission infrastructure.
Section 6
National Laboratory Modeling and Evaluation Program
This section establishes a program at National Laboratories, in consultation with FERC and the Electric Reliability Organization, to develop advanced probabilistic models for transmission planning, resource adequacy, and integrated resource planning. These models will consider various uncertainties, including weather impacts and congestion, to help identify optimal resource portfolios and areas where advanced technologies can improve grid performance. The program also mandates regional collaboratives between National Labs and universities.
Section 7
Technical Assistance for Advanced Transmission Conductors and Grid-Enhancing Technologies
This section requires the Secretary of Energy to create an application guide and provide technical assistance to eligible entities (such as utilities, developers, and states) for implementing advanced transmission conductors and grid-enhancing technologies. It also mandates the establishment of a clearinghouse of past projects to share lessons learned, aiming to accelerate the practical deployment of these innovative solutions across the grid.
Defines 'advanced transmission conductor' with specific technical criteria: direct current electrical resistance at least 10% lower, potential energy carrying capacity at least 70% greater, and coefficient of thermal expansion at least 50% lower than a traditional ACSR conductor of similar diameter and weight.
Section 2(1)
Why it matters:This is standard legislative practice for defining terms, but the specificity of the technical thresholds makes it highly consequential for the bill's intent.
Case for: Supporters argue that precise technical definitions ensure that only truly advanced and impactful technologies receive the benefits and incentives outlined in the bill, preventing 'greenwashing' or the use of marginally improved products.
Case against: Critics might argue that such specific technical thresholds could inadvertently exclude promising new technologies that do not perfectly fit these criteria, or that they could become outdated quickly as technology evolves, requiring frequent legislative updates.
Estimated impact: This definition directly determines which technologies are eligible for enhanced return on equity (Section 4) and inclusion in State Energy Programs (Section 5), thereby shaping the future of grid modernization investments.
Defines 'previously disturbed or developed' by reference to 'section 1021.102(g)(1) of title 10, Code of Federal Regulations (or a successor regulation)'. This definition is crucial for determining the scope of the NEPA categorical exclusion.
Section 3(a)
Why it matters:This is a common legislative technique to incorporate existing regulatory definitions without reprinting them, but it makes the bill less self-contained and harder for a casual reader to fully grasp.
Case for: Supporters would argue that referencing an existing, established regulatory definition provides clarity and consistency, leveraging existing legal frameworks and avoiding redundant language.
Case against: Critics might argue that relying on external regulations makes the bill less transparent and accessible, potentially obscuring the full implications of the categorical exclusion for those unfamiliar with the referenced CFR.
Estimated impact: This specific regulatory definition will dictate the precise land areas and conditions under which grid capacity expansion activities can proceed without full NEPA review, directly impacting environmental oversight and project timelines.