SPP's latest wind penetration record came early on March 31, when wind energy accounted for almost 14.5 GW, or 62.13%, of its 23.3-GW total load.

Renewable developers sparred with transmission planners for MISO, SPP and PJM Tuesday over the RTOs' affected system studies.

Corporations' decarbonization efforts may be frustrated because of insufficient transmission to move Midwest wind power to load centers.

FERC accepted the recommendations of SPP’s Market Monitoring Unit to eliminate the Woodward frequently constrained area (FCA) in Northwest Oklahoma.

FERC approved SPP’s proposed Tariff revisions reducing network service charges for customers in Southwestern Power Administration’s (SWPA) pricing zone.

SPP said that its Board of Directors has created a Holistic Integrated Tariff Team (HITT) to take an all-encompassing look at the different challenges facing the RTO.

The Colorado Public Utilities Commission held its fifth public information session on the potential addition of the Mountain West Transmission Group to SPP.

FERC approved an uncontested settlement between SPP and several of its members to implement a formula rate template and protocols for a new member.

The D.C. Circuit upheld FERC’s ruling that the proposal by NorthWestern Energy to recover the costs of providing regulation service was not just and reasonable.

FERC denied a complaint by SPP transmission owners that the RTO’s transmission zonal placement is unjust and unreasonable.