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Generator interconnection driven network upgrade cost recovery

The ISO tariff requires Participating Transmission Owners (PTOs) to reimburse generator interconnection customers for certain network upgrades.  These network upgrade costs are included in their customer rate bases through transmission access charges.  Customers of PTOs with a relatively small rate bases could experience significant rate increases from generator driven low voltage network upgrades. This initiative will explore potential changes to the current network upgrade cost recovery mechanism.

 

Outcome

Initiative closed. The Federal Energy Regulatory Commission rejected the ISO's filing. The ISO will not schedule a rehearing.

FERC rejection: September 1, 2017
Tariff amendment filing: April 18, 2017
Board of Governors approval: March 15, 2017

 

FERC filings and orders

Tariff development

Policy development