New York City's capacity costs are now the highest of any deregulated market in the country, and they just got higher. Zone J capacity, NYISO's designation for New York City, cleared at a record $32.60 per kilowatt-month for the summer 2026 capability period, more than double the same period a year earlier, according to NYISO's own capacity auction settlement data. That is a record for the zone.
A capacity charge is what businesses pay for the right to draw power from the grid, on top of the energy they actually use. Grid operators like NYISO auction this obligation months and years in advance, to make sure enough power plants and other resources will be available to meet peak demand, even on the hottest day of the year. Buyers pay for that guarantee whether or not their own usage ever hits a peak.
Zone J has always run tight: the city has little room for new generation, and transmission constraints limit how much cheaper upstate power can be delivered in. What changed is the cushion above the minimum requirement. Historically, NYISO has procured well above the bare minimum, around 108% of the requirement in summer and 115% in winter, which kept prices contained even in a constrained zone. That cushion is largely gone. The June 2026 Zone J auction cleared above $32 per kilowatt-month with coverage of just 100.09% of the requirement.
New York is not the only market feeling this. PJM extended its own price cap to manage a similar squeeze, and MISO's capacity market roughly tripled in two years. What sets New York City apart is how little excess capacity its market has left to absorb new demand before scarcity turns into a price spike.
Not primarily, at least not yet. Rising demand from large data centers is a real factor in the region's long-term load growth, but recent price spikes trace mainly to steadily climbing demand from electrification and thermal generators retiring faster than new generation and storage can replace them.
That is the backdrop for the moratorium. On July 14, 2026, New York Governor Kathy Hochul signed the country's first statewide moratorium on new hyperscale data centers, defined as facilities of 50 megawatts or larger. The executive order pauses discretionary environmental permits for these projects for up to a year, while the state studies their grid impact. Because the near-term price spike is a supply story more than a demand story, a one-year pause on new data center permits will not undo the records that have already cleared, and it does little to change the trajectory of a market that is already short on capacity.
Treat capacity as its own line item, not something that rides along with your energy rate. Analysts are projecting that capacity could average close to $30 per kilowatt-month from 2027 through 2040, with a wide uncertainty range depending on how much new capacity gets built, making today's record more of a new normal than a temporary spike. Buyers with high summer peaks, or those renewing supply contracts soon, will feel that shift directly in their capacity charge line. Reviewing contract timing and your broader energy risk management strategy against that trajectory, rather than against the historical average, is what separates a defensible decision from a guess.
NYC capacity costs hit a record above $32 per kilowatt-month for summer 2026, nearly triple the 2024-2025 average, mainly because the market's excess capacity cushion has nearly disappeared, not primarily because of data centers. New York's new moratorium on hyperscale data center permits targets future demand, but it will not lower prices that have already cleared, and independent analysis suggests elevated capacity costs could persist for years. New York City energy buyers should treat capacity exposure as a distinct, ongoing part of their energy strategy rather than a line that simply follows the energy rate.