SPP is closing to setting a date by which interested members of its WEIS market must commit to full RTO membership.

PJM stakeholders endorsed tariff language revisions to exclude the right of first refusal process from evaluation of non-firm transmission service requests.

FERC dismissed an NV Energy complaint related to CAISO’s plan to restrict certain wheel-through transactions when tight power supply threatens reliability.

CAISO issued a grid warning as a wildfire in Oregon threatened one of the major transmission pathways between California and the Pacific Northwest.

FERC approved CAISO's controversial rule changes on wheel-throughs, intended to ensure the ISO has adequate capacity this summer.

Thousands of customers of Avista Utilities lost power during a record-smashing heat wave when the utility ordered rolling blackouts in Spokane, Wash.

In his annual State of the Market report, MISO’s Monitor said transmission congestion and heightened ramping needs continue to dog the RTO.

The first amended agreements are trickling in following FERC's 2018 decision to reinstate transmission owners’ rights to self-fund network upgrades.

MISO execs say long-term transmission and a capacity market redesign are a must in response to rising climate risks and fleet change.

SPP accrued $13.25 million in market-to-market settlements from MISO for April, pushing its total to $146.63 million since the process began in 2014.