Demand outpaces grid readiness
As New York City baked through a heatwave in July, temperatures soaring to 100F (38C), two aging power barges near Brooklyn’s Sunset Park were forced into constant operation to prevent blackouts. The Narrows and Gowanus facilities, originally built as emergency backup generators, are now in near-continuous use due to surging electricity demand. Gary Cunningham, a market research director at Tradition Energy, called the situation alarming. “When older power sources are stretched to their limits for long periods, they simply break down,” he warned. This reality highlights a growing vulnerability in the city’s energy system.
The issue extends beyond just these barges. Aging power infrastructure in New York City and the wider state is buckling under increased stress. Gavin Donohue, CEO of the Independent Power Producers of New York Inc., pointed out that the state’s energy system is among the oldest in the country. “Everyone in this business is deeply concerned about the state of the infrastructure today,” he said, emphasizing the scale of the problem.
Renewables and infrastructure shortfalls
New York had once outlined ambitious plans for offshore wind energy, aiming to develop between 6 and 8 gigawatts. However, Gary Cunningham noted that only around 1 gigawatt of those plans are now expected to materialize due to a range of delays and political obstacles. The Trump administration also hindered renewable energy projects in the state, slowing progress. At the same time, the 1.25 gigawatt Champlain Hudson Power Express line, which channels hydropower from Quebec, has faced persistent technical problems, significantly reducing its output.
Nuclear energy is another area where progress has stalled. Former Governor Andrew Cuomo shut down the Indian Point nuclear reactors, a move that left the state scrambling for alternatives. While New York has set a target of adding 4 gigawatts of new nuclear power, no projects are currently under construction. This slow rollout has left a gap in the energy supply that remains difficult to fill.
Fragility in the system’s core
ConEd, the company in charge of New York City’s electric utility, reported that the system held up during a recent heatwave, though some brief power outages were reported. A company spokesperson stressed that most of the 3.7 million customers served by ConEd experienced no interruptions during the extreme weather. Still, the spokesperson acknowledged that the system is being pushed to its limits under the pressure of rising demand.
Curt Morgan of Alpha Generation, the firm that operates New York’s peaker plants, said the barges receive regular maintenance and updates each year. Morgan added that their sites could eventually be refitted with new technologies as part of the city’s future energy strategy. However, he did not address the pressing need to replace the aging facilities with more modern and sustainable solutions. “These facilities deliver the reliable, flexible energy that keeps the city running,” Morgan stated.
Ken Lovett, a senior communications advisor for New York Governor Kathy Hochul, stated that the state is pursuing a broad energy strategy that includes wind, solar, and nuclear options. Yet, given the slow progress of offshore wind projects and the underperformance of Quebec’s hydropower, coupled with the slow development of new nuclear power, this approach may not be enough to meet the demands of the future. “Our priority is keeping the lights on and energy affordable for everyone in New York,” Lovett said.

