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New York looks to be waffling on its commitment to ditch fossil fuels in new buildings.
In July, the state became the first in the nation to require all-electric appliances for most new construction. The rules, set to take effect on Dec. 31, would help New York reach its climate goals while slashing energy and health costs for its residents, according to several analyses. Modeling by the state’s grid operator shows that the grid can handle the added demand from electrifying new buildings.
But last week, 19 state assemblymembers — all Democrats — sent a letter to Gov. Kathy Hochul arguing that the all-electric building standard threatens affordability and the grid isn’t ready.
“While I share the long-term goal of decarbonizing our state, I believe the imminent requirement to mandate all-electric new buildings must be paused pending thorough reassessment of grid reliability, cost impacts, and risk mitigation,” wrote Assemblymember William Conrad, who led the petition.
Delaying implementation would buck a timeline set by the 2023 All-Electric Buildings Act, the law that required the state to put together rules for zero-emissions construction.
Hochul, a Democrat, said at a recent press event that she would seriously consider the assemblymembers’ request. “I’m going to look at this with a very realistic approach and do what I can because my No. 1 focus is affordability right now, because New Yorkers are suffering too much.”
“This is purely a political maneuver,” said Michael Hernandez, New York policy director at electrification advocacy nonprofit Rewiring America. “These Democrats” — many in districts considered flippable — “are working with fossil-fuel interests and building developers to try to delay the All-Electric Buildings Act, … a state law that was enacted through the democratic process.”
For instance, National Fuel, which supplies gas to about 500,000 households in western New York, has funded a lobbying campaign against bans on the fuel.
For her part, Hochul has a “troubling track record on climate,” said Elizabeth Moran, New York policy advocate at nonprofit Earthjustice. The governor has paused or indefinitely delayed initiatives she once championed, from congestion pricing and electric school buses to the signature policy to implement the state’s 2019 climate law: an emissions-pricing program known as cap-and-invest.
“We are seeing tremendous misinformation from the fossil-fuel industry,” Moran said. “The governor should not cave to the fearmongering of an industry that is only interested in its own profits.”
Last month, a judge found the state violated the law when it slammed the brakes on the cap-and-invest program — a case that could serve as a template should Hochul issue an executive order to delay implementing the All-Electric Buildings Act.
Hernandez pointed out that the all-electric law proceeds in a phased way, initially affecting new structures up to seven stories tall and, for commercial and industrial buildings, up to 100,000 square feet. Bigger buildings won’t be subject to the requirement until 2029.
Moreover, the law exempts projects if the grid can’t accommodate them within a reasonable window of time. The Department of Public Service has proposed that builders can use fossil-fuel systems if utility upgrades for all-electric construction would tack on 18 months or more to the development process, compared with a mixed-fuel project.
Several analyses show that all-electric buildings are more affordable than those with both electricity and gas or other fossil fuels. Building all-electric homes in New York may cost more up-front, but a 2024 state report shows the payback period is 10 years or less, thanks to the benefits of superefficient electric appliances, like heat pumps and heat-pump water heaters. Over 30 years, households will save on average about $5,000, the report finds.
A 2025 study by climate-policy think tank Switchbox that considers mortgage payments, gas hookup costs, and fuel costs, as well as the loss of federal electrification incentives, found even bigger savings: an average of $12,050 over 15 years for households living in newly built, all-electric single-family homes instead of ones heated with gas or propane.
“The Building Code Council, by law, can only update the building code if it’s cost-effective,” Hernandez said.
In their letter, the assemblymembers expressed concern about the grid’s ability to handle electrification of new buildings, citing reliability assessments from the state’s grid operator, the New York Independent System Operator (NYISO).
However, that fear is “based on a limited methodology that is not designed to identify blackout risks … and is based on a variety of extreme assumptions for which NYISO does not present factual support,” said Michael Lenoff, senior attorney at Earthjustice. NYISO’s projections “don’t justify delaying the All-Electric Buildings Act.”
NYISO uses two approaches to determine if it will be able to procure enough power for the grid in the coming years, Lenoff explained. One approach ignores common strategies to balance supply and demand, like utilizing backup systems called operating reserves, recruiting customers to voluntarily use less energy, and tapping emergency assistance from neighboring states. The method also assumes delays in major transmission projects, like the Champlain Hudson Power Express, even though NYISO reports that the transmission line “is nearing completion” and is scheduled to enter service in May of 2026.
As one might expect, this first approach paints a pessimistic picture, spurring NYISO to call for procuring more resources to supply power.
Under NYISO’s second approach — the industry standard to determine adequate power supply — the operator in fact finds that it will have plenty of planned generation resources to meet demand through 2034, even if the All-Electric Buildings Act is fully implemented. The blackout risk generally considered acceptable, striking a balance between greater security and higher costs to customers, is one event in 10 years. NYISO estimates that its risk in 2034 will be about one blackout in 20 years — twice as protective as the norm, Lenoff said. It’s even more protective in the years leading up to that.
“Procuring resources when industry-standard reliability metrics indicate the system is already overprotected risks gold-plating the system at consumers’ expense,” Lenoff said.
In its 2025 Power Trends report, which the letter directly references, NYISO also determined that building electrification is not a concern in the short term; rather, energy-hungry customers — namely hyperscalers and cryptocurrency miners — are.
“If the lawmakers are concerned about grid capacity and energy affordability, they should prioritize reining in large energy users like data centers and crypto-mines rather than cutting back on electrification,” Lenoff said.
“That’s a commonsense policy that will save people money while cutting climate pollution.”
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