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.

FERC rejected SPP's proposed Tariff revision establishing a cost-allocation waiver process related to the RTO's highway/byway methodology.

February’s winter storm, which threw Texas and much of the Midwest into a deep freeze, remains a hot topic as seen at recent industry conferences.

MISO is testing a new cost-sharing plan for members that use the regional transfer limit linking its Midwest and South regions.

Xcel's Public Service Company of Colorado decided to delay its entry into CAISO's Western Energy Imbalance Market in order to re-examine its decision.

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.