SPP set yet another wind penetration record, surpassing ERCOT, while the Seams Steering Committee agreed to a joint transmission study with MISO.

The SPP Market Monitoring Unit released its State of the Market report for the winter months, and the RTO and AECI began their biennial study proc

GridLiance closed its acquisition of Tri-County Electric Cooperative's ~410 miles of 69- and 115-kV transmission lines and related substation infrastructure.

A summary of issues discussed by the SPP Seams Steering Committee on Feb. 3, 2016, including a JOA with SaskPower and joint stakeholder meetings with MISO.

FERC rejected two complaints alleging that MISO overcharged for through-and-out transmission on the MISO South system.

MISO and SPP have filed a settlement agreement with FERC allowing MISO to use the SPP transmission system to transfer power freely between its North and South regions.

MISO asked FERC to dismiss a complaint alleging it billed more than $21 million in excessive transmission rates, saying Southern Co. misinterpreted its Tariff.

Southern Co. and three Missouri utilities told FERC that MISO has billed them more than $21 million in excessive transmission rates since Entergy joined the RTO in December 2013.

FERC said last week that SPP must engage in interregional coordination and cost allocation with SERTP, rejecting the RTO’s request for a limited waiver of Order 1000 requirements.

SPP members last week approved spending $270 million on transmission improvements over the next five years but not before stakeholders expressed misgivings.