Grid Resiliency Tax Credit Act
- Sponsor
- Sen. Heinrich, Martin [D-NM]
- Committees
- Finance Committee (primary)
- Last action
- Sep 22, 2026
Bottom line
The bill aims to accelerate the development of critical electric transmission infrastructure through a significant federal tax incentive, potentially lowering costs for consumers and enhancing grid reliability and resilience.
What it actually does
This bill establishes a new 30% investment tax credit for qualified electric power transmission lines, including regionally significant lines and generator tie lines, to incentivize the expansion and modernization of the electric grid. It also allows for elective payment (direct pay) and transferability of this credit, making it accessible to a broader range of entities.
Proponents argue
Supporters argue this credit is essential to address the nation's aging electric infrastructure, increase transmission capacity, and improve grid resilience against extreme weather and cyber threats. They contend it will lower consumer costs by enabling access to diverse generation resources, promote economic benefits through job creation, and enhance national security by strengthening the grid.
Opponents contend
Critics might argue that a 30% tax credit is an overly generous subsidy that could lead to inefficient market distortions or excessive profits for developers, without sufficient public oversight. Concerns could also be raised about the overall cost to taxpayers and whether this credit is the most effective or fiscally responsible mechanism for achieving grid modernization compared to direct investment or regulatory reforms.
The bill is relatively short and its core provisions are understandable, making it accessible for a reader to evaluate within a reasonable timeframe.
Section 3(a), new Section 48F(a)
Establishment of 30% Investment Tax Credit
This section creates a new investment tax credit (ITC) under the Internal Revenue Code, allowing taxpayers to claim a credit equal to 30% of their qualified investment in eligible electric power transmission lines. This directly reduces the tax liability for entities building or upgrading these lines, providing a significant financial incentive for infrastructure development.
Supporters argue
Supporters argue that a 30% ITC provides a strong financial incentive necessary to overcome the high upfront costs and regulatory hurdles associated with large-scale transmission projects, thereby accelerating critical infrastructure development and enhancing grid reliability.
Critics contend
Critics might contend that a 30% credit is overly generous, potentially leading to excessive profits for developers or inefficient allocation of resources, and that a lower credit or alternative financing mechanisms might be more fiscally responsible.
Tradeoffs
This provision balances the need for significant financial incentives to spur infrastructure development against concerns about the cost to the federal budget and potential for over-subsidization of private entities.
Section 3(a), new Section 48F(b)
Definition of Qualified Investment
This section defines what constitutes a 'qualified investment' eligible for the 30% tax credit. It includes the basis of tangible personal property and other tangible property used as an integral part of the transmission line, as well as expenditures for constructing, reconstructing, or modifying qualified substation property. Specific examples include conductors, towers, transformers, and property that increases capacity, efficiency, reliability, resilience, or safety.
Section 3(a), new Section 48F(c)
Criteria for Eligible Transmission Lines
This section establishes the core criteria for a transmission line to be eligible for the credit. It must be either a 'qualified significant transmission line' or a 'qualified generator tie line,' and placed in service after December 31, 2026, or significantly modified (500 MW capacity increase for significant lines, any capacity increase for tie lines) after that date.
Section 3(a), new Section 48F(c)(2)
Criteria for Regionally Significant Lines
This defines a 'qualified significant transmission line' as one with at least 500 megawatts capacity, meeting specific voltage requirements (345 kV AC or 200 kV DC, or 100 kV with advanced conductors), and transmitting electricity across state boundaries, between transmission planning subregions, within the Outer Continental Shelf, or for at least 100 continuous miles. This targets large-scale, inter-regional projects.
Section 3(a), new Section 48F(c)(3)
Criteria for Connecting New Generation/Storage
This defines a 'qualified generator tie line' as a line capable of transmitting electricity at not less than 230 kilovolts, primarily used to connect new or expanded electricity generation facilities or energy storage technology to the electric transmission network, or to upgrade network capacity for such connections. This aims to facilitate the integration of new energy resources.
Section 3(c)
Direct Pay and Transferability Options
This section amends the Internal Revenue Code to allow certain entities (like governmental entities and non-profits, and for this credit, any taxpayer) to elect for a direct payment from the Treasury in lieu of the tax credit (known as 'direct pay'). It also makes the credit transferable, allowing taxpayers to sell the credit to other entities. Federal power marketing agencies are specifically added as eligible entities for direct pay.
Section 3(a), new Section 48F(e)
Sunset Clause for the Credit
The credit established by this section will not apply to any property the construction of which begins after December 31, 2036. This sets a ten-year window for projects to begin construction to be eligible for the credit, providing a defined period for the incentive.
Amends the Balanced Budget and Emergency Deficit Control Act of 1985 to exempt direct payments made under Section 6417 (including for this new transmission line credit) from reduction under any sequestration order.
Section 3(c)(3)
Why it matters:This is standard legislative practice for ensuring the integrity and predictability of direct payment mechanisms, preventing their value from being eroded by automatic budget cuts. It is a technical but important detail for financial certainty for project developers.
Case for: Proponents would argue this ensures the reliability and predictability of the direct payment mechanism, providing financial certainty to project developers, especially public entities, and maximizing the incentive's effectiveness by guaranteeing the full credit value.
Case against: Critics might argue that exempting these payments from sequestration reduces fiscal flexibility and could lead to higher unaddressed deficits during budget crises, as a tool for broad budget reduction is removed for this specific program.
Estimated impact: Ensures the full value of direct payments for the transmission credit, potentially billions of dollars, is maintained regardless of future budget sequestration efforts, providing financial stability to recipients.
Amends Section 50(d)(2) of the Internal Revenue Code to include 'qualified electric power transmission line' in the definition of public utility property that can benefit from certain depreciation rules, similar to energy storage technology. It also modifies the definition of 'energy storage technology' for this purpose by removing certain exclusions.
Section 3(b)
Why it matters:This is a conforming amendment, a common legislative practice to ensure consistency across the tax code and to ensure the practical application of the new credit for public utilities. It's essential for the bill's intended functionality.
Case for: Proponents would argue this ensures that public utility property, which often constitutes a significant portion of transmission infrastructure, can fully benefit from the credit and associated depreciation rules, promoting investment by these key players.
Case against: No specific opposition is typically raised against such conforming amendments, as they are technical adjustments to ensure the bill's intended effect without introducing new policy.
Estimated impact: Ensures public utilities can fully leverage the tax credit, potentially unlocking significant investment in transmission infrastructure by aligning it with existing tax treatment for similar assets.