Transmission planning for a reliable, economic and open grid
Transmission planning at the ISO is an open and transparent process that actively engages stakeholder and public input and uses the best engineering analysis possible to determine short- and long-term infrastructure needs.
Process and requirements
Business Practice Manual for Transmission Planning Process
Describes the annual transmission planning process.
/Documents/FrequentlyAskedQuestions-Operations.xls/Documents/TransmissionPlanningStandards.pdf/Documents/TransmissionEconomicAssessmentMethodology.pdf
Transmission plans and studies
ISO and participating transmission owner studies demonstrate how the ISO is planning for infrastructure needs while meeting North American Electric Reliability Corporation and ISO planning standards. The annual transmission plan serves as the formal and Board-approved roadmap for infrastructure requirements for the ISO Balancing Authority.
2012-2013 Transmission planning process
2011-2012 Transmission planning process
2010-2011 Transmission planning process
Accessing transmission data
Instructions to Access PSLF Load Flow Data and Dynamic Models DescriptionsGeneral Electric International, Inc. (GEII) is the only party authorized to distribute Positive Sequence Load Flow (PSLF) reference manuals to other parties. A non-PSLF licensed user wanting copies of the load flow data and dynamic models export/import documents needs to contact General Electric and sign a non-disclosure agreement. Please direct all questions and access requests for a PSLF license to GEII at
http://www.gepower.com/prod_serv/products/utility_software/en/ge_pslf/index.htm.
Transmission planning archive