Interregional Transfer Capability Study (ITCS)

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​A strong, flexible transmission system that is capable of coping with a wide variety of system conditions is key for the reliable supply and delivery of electricity. NERC has a long history of highlighting the need for more infrastructure, including transmission and pipelines, in its reliability assessments as the independent voice for reliability.

NERC is conducting the Interregional Transfer Capability Study that will analyze the amount​ of power that can be moved or transferred reliably from one area to another area of the interconnected transmission systems. The study will be conducted in consultation with the six Regional Entities and each transmitting utility in neighboring transmission planning regions.

Transfer capability is a critical measure of the ability to address energy defic​iencies by relying on distant resources and is a key component of a reliable and resilient bulk power system. Recent and continuing resource mix changes require greater access and deliverability of resources to maintain reliability—particularly during extreme weather and environmental conditions.

​​​​The study, which was directed in the Fiscal Responsibility Act of 2023, must be filed with the Federal Energy Regulatory Commission by December 2, 2024. A public comment period will take place when FERC publishes the study in the Federal Register. After submittal, FERC must provide a report to Congress within 12 months of closure of the public comment period with recommendations (if any) for statutory changes.​

For any questions please contact the ITCS Project Team.

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