Eversource files appeal of PURA’s storm costs decision
Eversource filed a lawsuit challenging a decision by Connecticut regulators to cut $500M from its storm cost reimbursement, including $400M in interest. The company claims regulators ignored state law and precedent, while officials argue Eversource delayed the process. PURA approved 90% of Eversource's $1B request but denied interest payments. The case impacts future storm cost recovery and customer bills.
How this was made

The 30-second read
Why it matters
ES’s appeal targets (1) denial of interest on storm costs during the regulatory adjudication period and (2) a methodology-based crew-cost reduction, while Connecticut’s AG and OCC argue ES delayed requests and is seeking unjustified carrying charges.
Market read
For ES, the new filing extends a high-dollar regulatory dispute over storm-cost carrying charges, affecting recoverable cash timing and risk perception around future rate cases.
What to watch
The pending double-digit rate increase before PURA and the 2025 securitization law could offset or re-time cash impacts, reducing near-term earnings sensitivity to the interest appeal outcome.
Background
PURA approved most of ES’s storm-cost reimbursement for catastrophic storms (2018-2023) but denied additional interest while the case was adjudicated and cut some crew costs.
Ticker impact
Eversource (ES) filed an appeal challenging PURA’s storm-cost decision, including denial of interest on roughly $500M+ of storm reimbursement carrying charges.
Likely modest pressure or volatility as investors price prolonged litigation risk around storm-cost interest and crew-cost methodology.
The article is a new legal filing by ES challenging PURA’s cut to reimbursement interest and crew costs, which can affect the timing and amount of recoverable costs, but it does not indicate a near-term settlement or final ruling.
Market effects
Highlights regulatory treatment of storm-cost recovery and interest, a read-across risk for other regulated utilities facing similar storm-cost securitization and carrying-charge disputes.
Connecticut utility rate and affordability debates may keep pressure on state-regulated utilities’ cost-recovery narratives.
Limited, mostly relevant to US regulated-utility investors and storm-cost recovery frameworks.
Counterpoint
Even if ES loses on interest, the core reimbursement was approved for most storm expenses, so equity impact may be smaller than the headline dispute suggests.
Key entities
- companyEversource Energy
Filed an appeal challenging PURA’s storm-cost reimbursement decision, including denial of interest and a crew-cost cut.
- regulatorPublic Utilities Regulatory Authority (PURA)
State regulator that approved most storm-cost reimbursement but cut interest and some crew costs.
- governmentConnecticut Attorney General William Tong
Criticized ES for delays and argued PURA was right to approve costs but deny unjustified interest.
- consumer advocateOffice of Consumer Counsel (OCC)
Sought additional cuts and criticized ES for pursuing appeals despite receiving most reimbursement.


