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December 5, 2025

coordinated system plan (CSP)

FERC OKs PJM-MISO JOA Changes
FERC approved PJM-MISO JOA revisions regarding coordinated system plans and approved tighter site control requirements in MISO's interconnection procedures.
SPP MOPC Briefs: Oct. 15-16, 2019
SPP members moved to eliminate Z2 revenue credits for sponsored transmission upgrades, the source of years of stakeholder frustrations and jokes.
SPP Seams Steering Committee: Sept. 11, 2019
The SPP Seams Steering Committee discussed last month's level 1 energy emergency alert and, the RTO's 3rd unsuccessful attempt to partner with MISO.
MISO, SPP Empty-handed After 3rd Project Study
The possibility of a MISO-SPP transmission expansion must wait, as the RTOs concluded their third coordinated system plan without a single project.
MISO-SPP Interregional Process Scrutinized at MARC
MISO and SPP are making earnest efforts to coordinate transmission development along their shared seam, according to speakers at MARC.
FERC OKs Changes to MISO-SPP Joint Study Process
FERC approved changes to the MISO-SPP joint operating agreement intended to improve an interregional planning process that has yet to produce projects.
SPP Seams Steering Committee Briefs: July 10, 2019
Despite being revamped, the Coordinated System Plan process between SPP and MISO will once again be unable to identify any interregional projects.
SPP Seams Steering Committee Briefs: May 8, 2019
SPP and MISO are reviewing a draft of their 2019 Coordinated System Plan, which will determine the need for any interregional transmission projects.
MISO Seeking Proposals to Relieve North-South Constraint
MISO is accepting proposals designed to relieve its costly North-South transmission constraint, but is still zeroing in on how to evaluate submissions.
SPP Seams Steering Committee Briefs: April 3, 2019
The SPP-MISO Joint Planning Committee has voted to begin a new coordinated system plan this year, SPP staff told the RTO’s Seams Steering Committee.

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