Require transmission planning regions to jointly plan with adjacent regions, submit joint transmission plans to FERC, identify relevant facilities, and use cost allocation methods that charge customers receiving transmission benefits.

“(c) Joint planning .—The final rule issued under subsection (b) shall— “(1) require each Transmission Planning Region to jointly plan with each of its immediately adjacent Transmission Planning Regions; “(2) require each Transmission Planning Region to solicit transmission solutions, recommended assumptions, and cost estimation guides from transmission owners and developers; “(3) require each Transmission Planning Region to submit to the Commission for approval a joint transmission plan with immediately adjacent Transmission Planning Regions

The bill would make adjacent transmission planning regions jointly plan and submit plans to FERC, with related facility identification and cost allocation requirements.

H. R. 10539 (Introduced-in-House)
primary · other · model gpt-5.5

unverified · Source version 81231 · locator unknown

September 24, 2026 Mr. Casten (for himself, Ms. Castor of Florida, Mr. Levin, Mr. McGovern, and Mr. Latimer) introduced the following bill; which was referred to the Committee on Energy and Commerce

Unverified model/legacy excerpt; not proof. AI summary (separate from source): Within the lookback window, Latimer was an original cosponsor of H.R. 10539, a House bill referred to committee; this is concrete effort but not enactment.

unresolved same_term A for effort

H. R. 10539 (Introduced-in-House)
primary · model gpt-5.5 · confidence 93%

verified · Source version 81231 · locator 8079

“(1) require each Transmission Planning Region to jointly plan with each of its immediately adjacent Transmission Planning Regions;

Fetched verbatim passage. AI summary (separate from source): The introduced bill includes the promised requirement for transmission planning regions to jointly plan with adjacent regions, but the bill is still only introduced/referred.

unresolved same_term A for effort

H. R. 10539 (Introduced-in-House)
primary · model gpt-5.5 · confidence 91%

verified · Source version 81231 · locator 8386

“(3) require each Transmission Planning Region to submit to the Commission for approval a joint transmission plan with immediately adjacent Transmission Planning Regions,

Fetched verbatim passage. AI summary (separate from source): The bill text would require joint transmission plans to be submitted to FERC, matching a central part of the commitment, but it has not become law.

unresolved same_term A for effort

H. R. 10539 (Introduced-in-House)
primary · model gpt-5.5 · confidence 90%

verified · Source version 81231 · locator 9098

“(5) require each Transmission Planning Region to identify in each joint transmission plan submitted to the Commission pursuant to paragraph (3) the covered local transmission facilities, regional transmission facilities, and interregional transmission facilities

Fetched verbatim passage. AI summary (separate from source): The introduced bill contains the promised facility-identification requirement, but this remains a legislative attempt pending further action.

unresolved same_term A for effort

H. R. 10539 (Introduced-in-House)
primary · model gpt-5.5 · confidence 90%

verified · Source version 81231 · locator 9437

“(6) establish cost allocation methodologies applicable to projects selected for cost allocation under the transmission planning processes modified and augmented under subsection (b) that are just and reasonable and allocate the costs of transmission to customers that receive transmission benefits.

Fetched verbatim passage. AI summary (separate from source): The bill includes the promised beneficiary-pays cost allocation standard, but no enactment is shown in the official introduced bill record.

unresolved same_term A for effort

H. R. 10539 (Introduced-in-House)
primary · model gpt-5.5 · confidence 90%

unverified · Source version 81247 · locator unknown

Order Nos. 1920 and 1920-A require transmission providers in neighboring regions to modify their existing interregional transmission coordination procedures to align with the long-term planning reforms.

Unverified model/legacy excerpt; not proof. AI summary (separate from source): FERC’s existing Order 1920 framework partially addresses interregional coordination and cost allocation, but it does not prove full delivery of the new statutory joint-plan requirements sought in H.R. 10539.

partial unknown

Explainer on the Transmission Planning and Cost Allocation Final Rule | Federal Energy Regulatory Commission
secondary · model gpt-5.5 · confidence 76%