National Grid-commissioned study says interregional transmission saves customers up to $15.3 billion by 2050
NGG•Load growth and resilience drivers
The study covered the Northeast, PJM, SERC, SPP and MISO South, citing AI, data centers and manufacturing as key load drivers.
Findings also tied stronger interregional transmission to improved resilience for defense and critical infrastructure during disruptions.
Study says interregional transmission is lowest-cost option
National Grid-backed S&P Global analysis flagged transmission buildout as the lowest-cost option to meet rising US power demand through 2050.
Interregional grid links could save customers up to USD 15.3 billion, about two to three times the benefit of in-region expansion alone.




