US Federal 2025-2026 Regular Session

US Federal House Bill HB6633

Introduced
 
Introduced
12/11/25  

Caption

High-Capacity Grid Act

Summary

HB6633, titled the High-Capacity Grid Act, would direct the Federal Energy Regulatory Commission (FERC) to establish a “best-available transmission conductor” standard for certain transmission projects under the Federal Power Act. The bill defines that standard to mean a transmission conductor that provides the greatest feasible and commercially available energy-carrying capacity, the highest feasible and commercially available electrical efficiency, and reduced thermal sag at maximum rated capacity, as determined by FERC through rulemaking. The bill applies to new transmission facilities subject to FERC jurisdiction, as well as modifications, upgrades, replacements, and reconductoring of existing transmission lines that are also under FERC jurisdiction. It would require FERC to presume that using a best-available transmission conductor is prudent and that the associated costs are just and reasonable, while also creating a presumption against cost recovery for conductors that do not meet the standard. FERC would have 180 days after enactment to issue regulations, establish a methodology for determining compliance, and periodically update that methodology as technology and materials improve.

Impact

The bill would amend Section 205 of the Federal Power Act to create a new federal ratemaking and prudence framework for transmission conductor costs. In practice, it would affect public utilities seeking to recover costs for covered transmission projects by shifting the burden toward using higher-performance conductors and making noncompliant conductor choices harder to justify in rate cases. The measure would not broadly regulate all transmission infrastructure, but it would directly affect FERC-jurisdictional projects and the utilities, developers, and ratepayers tied to those projects.

Sentiment

The available legislative history suggests generally favorable treatment, as reflected by the bill being forwarded by subcommittee to the full committee by voice vote. No recorded votes or committee transcript excerpts are provided, so there is no evidence in the supplied materials of organized opposition or detailed debate. The procedural progress indicates at least some bipartisan or noncontroversial support at the subcommittee stage, though the absence of transcripts limits conclusions about broader sentiment.

Contention

The main policy issue likely to generate debate is the bill’s presumption against cost recovery for conductors that are not deemed “best-available,” which could be viewed by utilities as too rigid or potentially costly if the standard is difficult to meet in specific projects. Another likely point of contention is FERC’s discretion to define the methodology and update it over time, since stakeholders may disagree over how to balance performance, cost, reliability, and technological feasibility. Supporters would likely emphasize grid capacity, efficiency, and modernization, while opponents may focus on compliance costs and the risk of overprescribing engineering choices through federal rate policy.

Companion Bills

No companion bills found.

Previously Filed As

US HB1673

Improving reliability and capacity of the electric transmission system in Washington state.

US SB5466

Improving reliability and capacity of the electric transmission system in Washington state.

US HB1819

Increasing transmission capacity.

US HB6177

Grid Research and Development Act

US SB4167

HBCU Research Capacity Act

US HB8264

HBCU Research Capacity Act

US HB7728

Connect the Grid Act

US HB1292

Transmission Lines in State Highway Rights-of-Way

US HB84

Transportation – Major Highway Capacity Expansion Projects and Impact Assessments (Transportation and Climate Alignment Act of 2025)

US HB07017

An Act Concerning Grid-enhancing Technologies.

Similar Bills

TX HB5200

Relating to the evaluation and use of grid enhancing technologies and high-performance conductors.

PA HB2223

In service and facilities, providing for advanced transmission technologies.

NJ S674

Requires electric public utilities to upgrade certain portions of electric transmission and distribution system with advanced conductors.

PA SB1291

In service and facilities, providing for advanced transmission technologies.

OK HB3183

Electric utilities; creating the GET Over Congestion (Grid Enhancing Technology Over Congestion) Act; effective date.