Tong vows to fight Eversource appeal over rejected $300 million in storm-cost interest
Connecticut's attorney general said he will defend a state regulators' ruling that let Eversource recover $933 million in storm costs but denied more than $300 million in interest on them.
Connecticut Attorney General William Tong said Thursday that he will defend a state regulatory decision denying Eversource more than $300 million in interest on storm costs, after the utility filed an appeal of the ruling.
Eversource asked the Public Utilities Regulatory Authority on Dec. 15, 2025, to let it recover almost $1 billion in projected costs from a series of storms between 2018 and 2023, according to Tong's office. The utility also sought more than $300 million in interest on those costs, known as carrying costs. Tong argued that the interest request was premature and unprecedented and should be rejected.
On June 30, the authority approved $933 million in accumulated storm costs but rejected the carrying costs in full, the attorney general's office said.
"This fight is about hundreds of millions of dollars in unjustified interest payments for years where they had never even asked for recovery," Tong said in a statement. "In the real world, when kids hand in late homework, they don't get bonus points."
Tong's office said the request breaks with long-standing precedent at the authority, which has held that interest on storm costs is not authorized until the costs have been reviewed and found prudent. The office said the state's Office of Consumer Counsel and others had raised questions about external contractor costs, storms improperly included in the request, pre-staging costs, inadequate documentation and the application of mileage standards.
Rather than promptly answering those questions, the attorney general's office said, Eversource filed 74 motions for more time to respond to discovery requests, adding up to more than 1,000 days of delay.
The release did not include a response from Eversource or say in which court the appeal was filed.
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