A coalition of five New England states issued an RFI asking for comments about how to interconnect the gigawatts of offshore wind in development.

A federal appeals court has ruled that Texas’ right-of-first-refusal law violates the dormant Commerce Clause, granting NextEra's appeal of the legislation.

MISO is collecting stakeholder suggestions on what design elements it should include in a new cost allocation for future projects in its LRTP.

To decrease congestion, MISO is suggesting a tighter limit on how much new generation can affect the surrounding grid without triggering more network upgrades.

A MISO staff planning committee has determined that the $130 million, 500-kV Hartburg-Sabine Junction project in East Texas is no longer necessary.

Maine’s highest court on Tuesday ruled that a referendum blocking the New England Clean Energy Connect transmission line may have been unconstitutional.

Colorado utility Platte River Power Authority is the latest Western utility to express intent to evaluate participation in SPP's RTO West.

MISO and SPP have laid out a percentage-based cost allocation for their $1-billion Joint Targeted Interconnection Queue transmission study.

Entergy countered claims recently made to FERC that it is purposefully undermining transmission planning in MISO South.

NYISO will have to add zero-emission generation and transmission at an unprecedented pace to meet New York's climate goals, according to a new study.