Massachusetts 2025-2026 Regular Session

Massachusetts House Bill H4728

Introduced
11/13/25  

Caption

Relative to monitoring dry casks of spent nuclear fuel

Summary

H4728 would amend Massachusetts public health law to require certain nuclear facility owners and operators to provide continuous, real-time reporting to the Department of Public Health on conditions inside dry casks storing spent nuclear fuel. The required data would include the temperature of each cask and the rate of helium and radiation release, and the department would be directed to adopt regulations in consultation with the Attorney General to implement the reporting system. The bill also adds a separate requirement that the licensee of each existing and proposed nuclear power plant in the Commonwealth fully fund offsite radiological emergency response expenses incurred by the state or a municipality after plant closure, until all spent fuel has been removed from the spent fuel pool and placed in dry casks. It expressly prohibits use of Decommissioning Trust Fund money to satisfy that obligation.

Impact

The bill would expand Chapter 111, section 5K of the General Laws by adding a new public-health monitoring framework for spent nuclear fuel storage and by imposing a financial responsibility on nuclear plant licensees for post-closure radiological emergency response costs. It would affect owners and operators of nuclear facilities that generated electricity for retail customers in Massachusetts, the Department of Public Health, the Attorney General, and state and local emergency response entities. It would also create a new statutory restriction on the use of decommissioning trust funds for these expenses.

Sentiment

The available record suggests generally favorable committee sentiment, as the Public Health Committee reported that the bill ought to pass. No floor votes or committee transcripts are provided, so there is no detailed record of debate or opposition in the materials supplied. The bill’s framing around public health, radiation monitoring, and emergency preparedness indicates a protective, precautionary approach that is likely intended to address safety concerns associated with spent nuclear fuel storage.

Contention

The main points of potential contention are the scope and cost of the reporting and funding mandates. Nuclear facility owners and operators may object to continuous real-time monitoring requirements, the regulatory burden of new Department of Public Health rules, and the obligation to pay offsite radiological emergency response expenses after closure. Another likely issue is the bill’s prohibition on using Decommissioning Trust Fund money, which could be disputed by plant licensees or stakeholders who view those funds as part of the financing mechanism for decommissioning-related obligations. Supporters, by contrast, would likely emphasize public health protection, transparency, and ensuring that state and municipal emergency costs are not shifted to taxpayers.

Companion Bills

MA H2488

Replaces Relative to monitoring dry casks of spent nuclear fuel

Previously Filed As

MA S2853

Relative to monitoring dry casks of spent nuclear fuel

MA S1596

Relative to monitoring dry casks of spent nuclear fuel

MA H2488

Relative to monitoring dry casks of spent nuclear fuel

MA SB216

Relating to nuclear-fueled thermal power plants.

MA HB0016

Used nuclear fuel storage-amendments.

MA SF0186

Advanced nuclear reactor manufacturers-fuel storage.

MA HF3229

Spent fuel located at Prairie Island required to be transferred to another site for storage, additional storage authorized to be constructed at the Monticello nuclear generating plant, public utility authorized to withhold money from the renewable development account to pay for the cost to transport spent fuel.

MA S1561

Subjects spent nuclear fuel located in a decommissioned nuclear power plant to taxation as business personal property.

MA HB2450

In general provisions, further providing for definitions; and, in fees, further providing for nuclear facility and transport fees.

MA SF3363

Spent fuel located at Prairie Island requirement to be transferred to another site for storage

Similar Bills

No similar bills found.