The D.C. Circuit denied a petition to review FERC’s approval of SPP’s tariff revisions setting up a uniform planning criteria in each transmission zone to evaluate zonal reliability upgrades.

SPP's legal staff is evaluating its options after FERC's recent rejection of a tariff revision to allocate “byway” transmission projects on a case-by-case basis.

PJM responded to Ohio legislators' concerns about the cost impact of Illinois' climate policy, saying it could not split Ohio out of related transmission planning and pledging to work with lawmakers going forward.

After rehearing arguments raised by several SPP members, FERC unanimously reversed an October decision that established a process for SPP to allocate “byway” transmission projects on a case-by-case basis.

MISO South regulators publicly opposed a postage stamp cost allocation design, potentially setting the stage for a showdown as MISO prepares for a third long-range transmission portfolio.

PacifiCorp will be able to meet Oregon’s ambitious greenhouse gas emissions reduction targets for electric utilities but “it will not be without challenges,” a company official said.

MISO is proposing to eschew a total subregional cost allocation in favor of a half-regional, half local zone cost sharing plan.

An error in the power flow case for several generators caused minor impacts to the 2022 annual cost allocations and zonal charges for the units, PJM said.

SPP’s state commissioners have approved staff’s proposed cost allocation for the projects in its Joint Targeted Interconnection Queue study portfolio.

MISO planners emphasized that its hypothetical map of projects is not what a final second portfolio could look like under its long-range transmission planning.