Key facts
- New York's electricity reserves have declined by 1.5 gigawatts since 2019.
- The retirement of fossil fuel-fired power plants has outpaced the addition of new generation.
- Increased demand from building and transportation electrification is intensifying supply-demand issues.
- Winter reliability is a major concern due to increased reliance on electric heating.
- NYISO recommends adding both renewable and fossil-fired power plants to boost grid reliability.
Electricity supplies in New York have shrunk over the last five years, leaving the state at risk of falling short of energy needs during peak demand periods, according to the state grid operator NYISO. The retirement of fossil fuel-fired power plants has outpaced the addition of new electricity generation, resulting in a 1.5 gigawatt net decline in supplies since 2019.
Rising power demand from the electrification of buildings and transportation, along with the construction of large industrial energy users, is intensifying the supply-and-demand crunch. This disparity is a particular concern in winter, as more buildings rely on electric heat systems and natural gas-fired power systems are more prone to freezing.
Prolonged cold spells over the past two years have reduced electricity supplies to razor-thin margins, pushing the system near its limits and requiring frequent emergency actions. NYISO stated that winter conditions are emerging as one of the most significant reliability challenges facing New York's electric system. The operator also indicated that adding supplies of both renewable and fossil-fired power plants would be needed to increase the grid's reliability.