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5h ago

NYISO Warns of Power Reliability Violations in New York City as Soon as Summer 2026

The grid operator says reliability now hinges on timely completion of key transmission and offshore wind projects.

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The New York Independent System Operator, which manages the state’s power grid, issued a new assessment on Tuesday that again warns that there may be “significant reliability shortfalls within the next ten years.”

Overview

  • NYISO’s new five-year assessment flags potential reliability violations starting in 2026 for New York City, extending to Long Island in 2027 and the Lower Hudson Valley in 2030.
  • The reports cite dependence on projects such as the Champlain Hudson Power Express, Empire Wind and the Propel NY transmission project to restore margins once they are in service.
  • Empire Wind’s expected timeline has been complicated by an April federal halt and subsequent delays, while CHPE is slated to begin delivering power to the city next year.
  • Risks are driven by generator retirements, rising peak demand, transmission security limits and reduced availability of certain NYC peaker units under state emissions rules.
  • NYISO has begun a process with utilities and market participants to evaluate solutions and says several thousand megawatts of new dispatchable capacity may be needed within a decade as an aging fleet faces more outages.