US Federal 2025-2026 Regular Session

US Federal House Bill HB4128

Introduced
 
Introduced
6/25/25  

Caption

CIRCUIT Act

Summary

HB4128, the CIRCUIT Act, would amend section 45X of the Internal Revenue Code to expand the advanced manufacturing production credit to include distribution transformers. Under the bill, manufacturers of qualifying distribution transformers could claim a credit equal to 10 percent of the costs incurred in producing those transformers. The bill also defines “distribution transformer” by reference to the Energy Policy and Conservation Act. The measure is aimed at encouraging domestic production of a critical electric utility component used in the power grid. By adding distribution transformers to the list of eligible advanced manufacturing products, the bill would create a new federal tax incentive for manufacturers and potentially support investment in U.S. manufacturing capacity for grid infrastructure and related supply chains. The credit would apply to components produced and sold after the date that is 90 days after enactment.

Impact

The bill would amend federal tax law, specifically Internal Revenue Code section 45X, by adding distribution transformers to the advanced manufacturing production credit and setting a 10 percent credit rate based on production costs. It would affect manufacturers of distribution transformers and could indirectly benefit utilities and grid infrastructure by incentivizing greater domestic supply. The amendment would take effect for components produced and sold beginning 90 days after enactment.

Sentiment

Based on the bill text and the available context, the bill appears to have a positive, pro-manufacturing and pro-infrastructure framing. It was introduced by bipartisan sponsors and referred to the House Committee on Ways and Means, with no recorded votes or committee debate in the provided materials. The overall tone suggests support for strengthening domestic production of critical utility equipment and improving resilience of the electric grid.

Contention

No specific points of contention are documented in the provided committee transcripts or voting history. Potential areas of debate, if the bill advances, could include the cost of the tax credit, whether the incentive is narrowly targeted enough, and how effectively it would address supply-chain constraints for distribution transformers. However, none of those concerns are attributed to any member or stakeholder in the materials provided.

Companion Bills

US SB448

Same As CIRCUIT Act

Previously Filed As

US SB448

CIRCUIT Act Credit Incentives for Resilient Critical Utility Infrastructure and Transformers Act

US SB4569

Protecting Circuit Boards and Substrates Act

US HB3597

Protecting Circuit Boards and Substrates Act

US HB5441

Fusion Advanced Manufacturing Parity Act

US SB3088

Fusion Advanced Manufacturing Parity Act

US HB1396

PILLS Act Producing Incentives for Long-term production of Lifesaving Supply of medicine Act

US HB8959

Semiconductor Superiority Act

US HB185

Responsible Legislating Act

US HB7315

Advancing Policy Priorities Act

US HB7314

Advancing Commonsense Policies Act

Similar Bills

No similar bills found.