New York PSC opens proceeding on grid upgrades tied to large-load projects
(UI) — The New York State Public Service Commission (PSC) has opened a formal proceeding to review how large-load projects — including data centers — connect to the electric grid and how associated transmission and distribution upgrades are funded.
The action advances Gov. Kathy Hochul’s Energize NY Development initiative and will examine interconnection processes, cost-allocation mechanisms and tariff structures tied to integrating high-demand facilities into New York’s transmission and distribution system.
State officials said the review is intended to modernize grid planning while preventing ratepayers from absorbing infrastructure costs driven by energy-intensive development.
As of January 2026, the New York Independent System Operator (NYISO) interconnection queue includes 48 proposed large-load projects representing more than 11 gigawatts of demand. Many of those requests are associated with data centers and other high-energy users.
Regulators said the surge in large-load applications is complicating system planning and increasing uncertainty around which projects will ultimately proceed to construction. Grid operators must evaluate potential transmission upgrades, substation expansions and reliability impacts before approving interconnection.
The PSC proceeding will explore whether changes are needed to:
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Interconnection rules for large loads
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Cost allocation structures for transmission and distribution upgrades
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Tariff frameworks governing how large users connect to the system
Under current practice, infrastructure upgrades required to serve new loads can create broader cost impacts across the grid. The review will consider policy options aimed at ensuring projects driving significant demand cover the costs associated with their interconnection and required system improvements.
The Department of Public Service will solicit stakeholder comments, hold a technical conference and prepare a white paper outlining recommendations for PSC consideration.
The outcome of the proceeding could influence how New York handles future data center expansion and other high-demand industrial projects, particularly in areas where grid capacity constraints may require new underground transmission lines, substations or distribution system upgrades.
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