Lowering Energy Costs through Grid Modernization Act
- Sponsor
- Rep. Whitesides, George [D-CA-27]
- Committees
- Ways and Means Committee (primary)
- Last action
- Jul 23, 2026
Bottom line
This bill seeks to reduce energy costs and improve grid reliability by incentivizing the upgrade of existing transmission infrastructure with advanced conductor technology through regulatory streamlining and tax credits.
What it actually does
The bill aims to accelerate the modernization of the national electric grid by promoting the use of "advanced conductors" in transmission lines. It does this by streamlining environmental review for reconductoring projects, encouraging transmission providers to study the benefits of such projects, and expanding the clean electricity investment tax credit (48E) to include "high-performance transmission property" with enhanced credit rates for domestic content and energy communities.
Proponents argue
Proponents argue that modernizing the grid with advanced conductors is crucial for enhancing grid reliability, reducing transmission losses, alleviating congestion, and integrating more renewable energy, ultimately leading to lower energy costs for consumers and increased energy independence. They would emphasize the efficiency gains and resilience benefits against extreme weather.
Opponents contend
Opponents might argue that while grid modernization is important, the proposed tax credits could be overly generous, potentially leading to significant federal revenue losses without sufficient oversight or guarantees of consumer savings. Concerns could also be raised about the categorical exclusion from NEPA, suggesting it might bypass necessary environmental scrutiny, even for projects predominantly within existing rights-of-way.
The bill is moderately technical due to tax code amendments and specific definitions, requiring careful reading, but its length makes it manageable for an informed reader within a reasonable timeframe.
Section 1
Short Title
This section establishes the official short title of the Act as the "Lowering Energy Costs through Grid Modernization Act," which is the common name by which the bill would be known and referenced.
Supporters argue
Supporters would argue that a clear and descriptive short title helps communicate the bill's primary objective to the public and facilitates legislative discourse.
Critics contend
No specific opposition is typically raised against short title provisions, as they are standard legislative practice.
Tradeoffs
None apparent for this provision.
Section 2
Key Definitions for Grid Modernization
This section defines critical terms used throughout the Act, including "advanced conductor," "categorical exclusion," "reconductoring project," "right-of-way," "right-of-way optimization project," and "Secretary." These definitions establish the scope and technical parameters for the bill's provisions, particularly for eligible projects and technologies.
Section 3
Encouraging Transmission Providers to Study Advanced Conductor Benefits
This section permits transmission providers, subject to FERC planning requirements, to conduct studies evaluating the economic and grid reliability benefits of right-of-way optimization and reconductoring projects using advanced conductors. These studies must describe how such projects address grid issues, compare them to other transmission projects, and consider risks from natural hazards. Results are to be submitted to the Secretary of Energy and made public (excluding critical infrastructure information).
Section 4
Public Aggregated Data on Reconductoring Outcomes
This section authorizes the Secretary of Energy to publish aggregated performance data on reconductoring outcomes and related grid modernization activities. This data, sourced from public information or voluntary submissions, will not identify specific facilities or operators but may include typical ranges for increased transfer capability, reduced transmission losses, and project timelines. The Secretary may also maintain a public webpage listing general information about projects.
Section 5
Streamlined Environmental Review for Advanced Conductor Projects
This section establishes a categorical exclusion under the National Environmental Policy Act (NEPA) for "covered projects," which include right-of-way optimization and reconductoring projects. This means these projects are deemed to have no significant environmental impact and do not require a full environmental assessment or impact statement, unless extraordinary circumstances apply. Projects must adhere to integral elements of 10 CFR part 1021, appendix B, incorporate appropriate design standards, and primarily remain within existing cleared rights-of-way, with limited widening into previously disturbed lands for electrical standards compliance.
Section 6
Expanding Clean Electricity Investment Tax Credit for Advanced Transmission
This section amends Section 48E of the Internal Revenue Code of 1986 to include "high-performance transmission property" as eligible for the clean electricity investment credit. It sets a base credit rate of 6% for such property, increasing to 30% for properties with capacity less than 1 megawatt or those meeting prevailing wage and apprenticeship requirements and domestic content rules. The section also applies existing credit increases for energy communities and domestic content to this new category and excludes property constructed with "material assistance from a prohibited foreign entity" after December 31, 2025.
Defines "advanced conductor" with specific technical thresholds: 1.5x energy carrying capacity of an aluminum conductor, steel-reinforced (ACSR) transmission conductor; 10% lower direct current electrical resistance than a traditional ACSR conductor of similar diameter and weight; and 25% lower thermal sag than an ACSR transmission conductor of similar diameter and weight at maximum operating temperature.
Section 2(1)
Why it matters:Standard legislative practice to define terms upfront for clarity and precision. The technical nature necessitates specific language.
Case for: Supporters would argue that these precise technical specifications ensure that only truly advanced and high-performing technologies qualify for the bill's benefits, preventing the use of less effective solutions.
Case against: Critics might argue that such specific technical thresholds could inadvertently exclude promising new technologies that achieve similar or better outcomes through different means, potentially stifling innovation.
Estimated impact: Directly shapes which technologies are eligible for tax credits and streamlined NEPA review, thereby influencing billions in potential investment in specific advanced conductor types.
Excludes "high-performance transmission property" from the clean electricity investment tax credit if its construction begins after December 31, 2025, and includes "material assistance from a prohibited foreign entity." The definition of "prohibited foreign entity" is cross-referenced to Section 7701(a)(52) of the Internal Revenue Code.
Section 6(d)(3) and Section 7701(a)(52) (cross-referenced)
Why it matters:Standard legislative practice to use existing tax code definitions and cross-references for consistency and brevity, but it makes the full scope of the restriction less immediately obvious.
Case for: Proponents would argue this provision is vital for national security and economic competitiveness, preventing adversaries from gaining control or influence over critical U.S. energy infrastructure and promoting domestic supply chains.
Case against: Critics might argue that overly broad or vague definitions of "prohibited foreign entity" could create uncertainty for investors, slow down projects, or inadvertently exclude beneficial international partnerships.
Estimated impact: Could significantly impact the supply chain for advanced conductors and related construction, potentially shifting manufacturing and investment towards domestic or allied sources.