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New York PSC approves Propel NY Energy transmission settlement

New York PSC approves Propel NY Energy transmission settlement

Built World

90-mile underground line would link Long Island to the state grid by 2030

Overview

Updated 1 hour ago

New York regulators approved the settlement terms for the Propel NY Energy Project on September 17, clearing a major hurdle for a 90-mile underground transmission line that would carry power to New York City and Long Island. The Public Service Commission (PSC) ruled the project is needed to keep the region's grid reliable as old power plants retire.

The $3.26 billion project, a joint effort by New York Transco and the New York Power Authority, still needs several approvals before construction can start. The PSC must sign off on four phases of environmental management and construction plans, and the Army Corps of Engineers must issue its own permit.

Why it matters

If this line isn't built by 2030, New York City and Long Island face growing blackout risk as old plants retire and demand climbs.

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Key Indicators

90 miles
New underground transmission lines
About 78.7 miles at 345 kV and 10.9 miles at 138 kV.
$3.26B
Project cost
Total estimated cost of the Propel NY Energy Project.
9
Substations connected
Nine existing or new substations across five counties.
May 2030
Target in-service date
NYISO directed the project to be in service by May 2030.

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