MISO and SPP state regulators are trying to inventory the instances and costs of duplicate transmission charges along their seams to mitigate rate pancaking.

Tenaska filed a complaint over SPP’s network upgrade costs, challenging an unexpected $66 million increase added to its Clear Creek wind farm in Missouri.

SPP COO Lanny Nickell pointed to a lack of gas generation as the culprit behind the first load sheds in the grid operator’s history.

Columnist Steve Huntoon discusses the pitfalls of "Big Transmission" and suggests incremental expansions using existing transmission rights of way.

SPP said it expects normal conditions and no extreme operation situations within its balancing authority and reliability coordinator footprints this summer.

More uniformity in transmission planning standards and broader considerations of benefits are needed, officials said at the EBA’s annual meeting.

SPP’s Western real-time energy market has attracted another participant in Colorado Springs Utilities, which is also interested in full RTO membership.

FERC granted Thunderhead Wind’s request for a waiver of SPP’s interconnection procedures, allowing the RTO to evaluate an alternative interconnection point.

SPP stakeholders approved staff’s recommendation to withdraw a competitive transmission project that was opposed by the incumbent transmission owner, Evergy.

Winter Storm Uri continued to command attention in the energy sector, dominating conversations at the Gulf Coast Power Association’s spring conference.