ERCOT celebrated a trio of memorable anniversaries Tuesday by getting part of the band back together for its Annual Membership Meeting.

MISO told its Planning Subcommittee that it and PJM are not optimistic that they can use common assumptions in their interregional transmission planning.

The PJM PC discussed the timeline for reviewing tie-line requests and project-selection guidelines while TEAC discussed the definition of "immediate need."

ERCOT’s electricity demand continues to grow more rapidly than expected, but the Texas ISO says it still has sufficient capacity to support reliability.

MISO Independent Market Monitor (IMM) David Patton presented a draft of his quarterly report; expressing concerns over high outage rates in MISO South.

Some wind power generators appear to be deliberately over-forecasting their output to inflate their revenues, according to MISO IMM David Patton.

At last week's PJM Operating Committee, members endorsed PJM’s 2016/17 winter weekly reserve targets, but not without first questioning them.

MISO's mechanism for allocating charges under its settlement with SPP was certified by a FERC administrative law judge the same day the Market Subcommittee met.

Two 345-kV lines that were knocked out when a tornado leveled four transmission towers in ComEd territory are back online.

The closure of Entergy’s FitzPatrick nuclear plant will not impact reliability or leave New York short of generation in 2019.