Crane Clean Energy Center (TMI)
Formerly Three Mile Island Unit 1 near Middletown, Pennsylvania. Constellation Energy is restarting the shuttered reactor under the Crane Clean Energy Center name to supply power to Microsoft.
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Recommissioning & Restarts
NRC finds no significant environmental impact in Three Mile Island restart
The Nuclear Regulatory Commission issued an environmental assessment and finding of no significant impact late last week for Constellation Energy’s former Three Mile Island Unit 1 proposed restart. This issuance comes after NRC released its draft environmental assessment (EA) and finding of no significant impact (FONSI) for the former Three Mile Island reactor, now referred […]
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Recommissioning & Restarts
NRC finds no significant environmental impact in Three Mile Island restart
The Nuclear Regulatory Commission issued an environmental assessment and finding of no significant impact late last week for Constellation Energy’s former Three Mile Island Unit 1 proposed restart. This issuance comes after NRC released its draft environmental assessment (EA) and finding of no significant impact (FONSI) for the former Three Mile Island reactor, now referred […]
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Recommissioning & Restarts
NRC issues draft environmental review for proposed Three Mile Island restart
The Nuclear Regulatory Commission is seeking public input on a draft environmental assessment and draft finding of no significant impact (FONSI) for restarting the former Three Mile Island reactor. NRC published a notice in the Federal Register on Monday and requested that comments be submitted by July 8. NRC is evaluating the foreseeable environmental effects […]
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Recommissioning & Restarts
NRC issues draft environmental review for proposed Three Mile Island restart
The Nuclear Regulatory Commission is seeking public input on a draft environmental assessment and draft finding of no significant impact (FONSI) for the former Three Mile Island reactor restart. NRC published a notice in the Federal Register on Monday and requested that comments be submitted by July 8. NRC is currently evaluating the foreseeable environmental […]
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Recommissioning & Restarts
FERC grants Constellation’s waiver to move Three Mile Island restart forward
Constellation Energy moves one step closer to restarting the former Three Mile Island reactor in Pennsylvania after having a waiver granted by the Federal Energy Regulatory Commission (FERC) this week. Under the waiver request granted on Monday, Constellation will be able to transfer 760 megawatts of capacity interconnection rights from its Eddystone natural-gas power plant […]
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Recommissioning & Restarts
Constellation confirms 2027 restart target for former Three Mile Island reactor
The former Three Mile Island Unit 1 should be back online by the second half of 2027, a Constellation Energy spokesperson told Exchange Monitor this week. According to a March 26 Reuters article, the grid operator PJM Interconnection said the former Three Mile Island plant, now known as Crane Clean Energy Center, could not connect […]
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Recommissioning & Restarts
Constellation confirms 2027 restart target for former Three Mile Island reactor
The former Three Mile Island Unit 1 should be back online by the second half of 2027, a Constellation Energy spokesperson told Exchange Monitor Monday. According to a March 26 Reuters article, the grid operator PJM Interconnection said that the former Three Mile Island plant, now known as Crane Clean Energy Center, could not connect […]
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Recommissioning & Restarts
NRC review for former Three Mile Island restart in full swing
ROCKVILLE, MD – With the Palisades Nuclear Plant nearing its restart, the Nuclear Regulatory Commission (NRC) is looking to fast track the review of the former Three Mile Island Unit 1 to resume operations by March 2027, an NRC panel said Thursday. During the NRC Regulatory Information Conference’s final day, a panel made of NRC […]
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Recommissioning & Restarts
Restart of Crane plant, formerly TMI, at center of Constellation’s Pennsylvania energy plan
The restart of the Crane Clean Energy Center will play a large role in adding new megawatts to Pennsylvania’s electric grid, a Constellation Energy spokesperson recently told Exchange Monitor. Last week, the Nuclear Regulatory Commission (NRC) greenlit the $167 million digital upgrade to Constellations Limerick Clean Energy Center’s control room. The upgrade is part of […]
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Recommissioning & Restarts
Constellation to get $1B DOE loan to restart former TMI 1 plant
The Department of Energy said this week it has approved a $1-billion loan to help Constellation Energy restart the former Three Mile Island Unit 1 nuclear facility, recently renamed the Crane Clean Energy Center. In a Tuesday press release, Secretary of Energy Chris Wright said the DOE Loan Programs Office closed on a loan “to […]
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Recommissioning & Restarts
Constellation to get $1B DOE loan to restart former TMI 1 plant
The Department of Energy said Tuesday it has approved a $1-billion loan to help Constellation Energy restart the former Three Mile Island Unit 1 nuclear facility, recently renamed the Crane Clean Energy Center. In a Tuesday press release, Secretary of Energy Chris Wright said the DOE Loan Programs Office closed on a loan “to lower […]
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Recommissioning & Restarts
NRC to hold meetings on Three Mile Island’s potential restart
The Nuclear Regulatory Commission will hold two public meetings on July 31 and Aug. 6 to discuss the potential restart of Crane Clean Energy Center, formerly known as Three Mile Island Nuclear Station, in Middletown, PA. The July 31 meeting will be held in-person at Capitol Union Building, on the Penn State Harrisburg campus, in […]
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Recommissioning & Restarts
NRC to hold meetings on Three Mile Island’s potential restart
The Nuclear Regulatory Commission will hold two public meetings on July 31 and Aug. 6 to discuss the potential restart of Crane Clean Energy Center, formerly known as Three Mile Island Nuclear Station, in Middletown, Pa. The July 31 meeting will be held in-person at Capitol Union Building, on the Penn State Harrisburg campus, in […]
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National Laboratories
Round up: Anti-nuclear activist petitions against TMI unit name change; EnergySolutions New Nuclear Initiative; Los Alamos National Lab experiments transportation of TRISO fuel; More;
Eric Epstein, who has previously served as the chairman of Three Mile Island Alert, has filed a petition opposing the proposed name change for Three Mile Island Unit-1 to “Christopher M. Crane Clean Energy Center”. In the petition, filed on April 18, Epstein requested a hearing to challenge the name change as he claimed the […]
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Advanced Nuclear & SMRs
Workforce makes existing sites attractive for nuclear, ECA says
A report the Energy Communities Alliance is rolling out this week at the Waste Management Symposia in Phoenix says existing Department of Energy nuclear installations and other electric power sites are increasingly being targeted for new reactors. The Energy Communities Alliance (ECA) report is titled “From the Atomic Age to New Nuclear: Energy Communities Ready […]
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National Laboratories
Remembering nuclear flicks from ‘Strangelove’ to ‘Oppenheimer’
The 97th Academy Awards ceremony was held last night in Los Angeles and while no nuclear power or nuclear weapon-themed movies were among the front runners for the 2025 Oscars, here are a few of the more memorable ones from past years. This list was curated by Exchange Monitor. Your list may vary. Oppenheimer is […]
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Recommissioning & Restarts
Constellation says it will restart Three Mile Island Unit 1 this decade
Constellation on Friday announced it plans to restart the Three Mile Island Unit 1 nuclear reactor in Londonderry Township, Pa., by 2028 and extend its operating license through “at least” 2054. Constellation announced the plan in a press release, in which it also said it has signed a 20-year power purchase agreement with Microsoft Corp., […]
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Recommissioning & Restarts
Round Up: Constellation undecided on TMI-1 restart; Army looks at microreactors; TVA Watts Bar gets new boss
Baltimore-based Constellation Energy has not decided if it will pursue restart of its Three Mile Island Unit 1 reactor in Pennsylvania, which was shuttered for economic reasons in 2019, the company said Thursday in an email response to an inquiry from Exchange Monitor. “Restarting closed nuclear plants offers another opportunity for the industry to add […]
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Interim Storage & Waste Disposal
Idaho County says DOE failed to assess impact of INL spent fuel storage
An Idaho county this week urged a federal judge to reject the federal governent’s motion to dismiss a lawsuit against the Department of Energy over ongoing use of the Idaho National Laboratory as a repository for spent nuclear fuel. Butte County, which says DOE should shoulder more of the social and economic impact of decades […]
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Budget & Policy
Idaho county’s case for INL impact payments already rejected by courts, feds say
Butte County, Idaho has already tried and failed to convince federal courts the locality is entitled to “impact payments” because of ongoing storage of spent nuclear fuel at the Department of Energy’s Idaho National Laboratory, according to Justice Department legal papers filed Monday. “Plaintiff already tested—and lost—its theory that it was entitled to impact assistance […]
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Naval Nuclear Propulsion
Idaho county’s case for INL impact payments already rejected by courts, feds say
Butte County, Idaho has already tried and failed to convince federal courts the locality is entitled to “impact payments” because of ongoing storage of spent nuclear fuel at the Department of Energy’s Idaho National Laboratory, according to Justice Department legal papers filed Monday. “Plaintiff already tested—and lost—its theory that it was entitled to impact assistance […]
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Decommissioning
Constellation turns in latest cost estimate for Three Mile Island, updates spent fuel plan
It will take about another $1.1 billion to completely decommission the Three Mile Island Unit-1 reactor in Pennsylvania, Constellation Energy Generation told the Nuclear Regulatory Commission in a new detailed cost estimate published this week. The roughly 40-page updated site-specific decommissioning cost estimate for Three Mile Island Nuclear Station Unit-1 (TMI-1), appended to a letter […]
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Commercial Decommissioning
Constellation turns in latest cost estimate for Three Mile Island, updates spent fuel plan
It will take about another $1.1 billion to completely decommission the Three Mile Island Unit-1 reactor in Pennsylvania, Constellation Energy Generation told the Nuclear Regulatory Commission in a new detailed cost estimate published Wednesday. The roughly 40-page updated site-specific decommissioning cost estimate for Three Mile Island Nuclear Station Unit-1 (TMI-1), appended to a letter signed […]
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Commercial Decommissioning
Enviros vow to continue fight against TMI-2 decom after NRC kicks out contentions
An environmental group continued to raise objections with a regional water authority about the decommissioning of the Three Mile Island Unit 2 reactor after the Nuclear Regulatory Commission effectively rejected the groups concerns last week. The NRC, through the Atomic Safety and Licensing Board, on March 1 rejected Three Mile Island Alert’s contention to a […]
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Commercial Decommissioning
Enviros vow to continue fight against TMI-2 decom after NRC kicks out contentions
An environmental group continued to raise objections with a regional water authority about the decommissioning of the Three Mile Island Unit 2 reactor after the Nuclear Regulatory Commission effectively rejected the groups concerns last week. The NRC, through the Atomic Safety and Licensing Board, on March 1 rejected Three Mile Island Alert’s contention to a […]
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Decommissioning
Enviros angling to challenge Three Mile Island decom over water use
Citing water use violations, a Pennsylvania-based environmental group this week asked the Nuclear Regulatory Commission to consider another challenge to decommissioning a shuttered nuclear power plant in the Keystone State, agency documents show. In its Wednesday filing, Three Mile Island Alert (TMIA) told NRC that a 2021 license amendment request for Three Mile Island Nuclear […]
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Decommissioning
Oral argument set in enviros’ latest move to halt TMI decom
The Nuclear Regulatory Commission has set a date for hearing an anti-nuclear group’s case against the proposed decommissioning of a Pennsylvania nuclear power plant, according to agency documents. NRC’s Atomic Safety and Licensing Board planned Jan. 19 to hold an oral argument session on Three Mile Island Alert’s (TMIA) petition against a proposed license amendment […]
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Decommissioning
Oral argument set in enviros’ latest move to halt TMI decom
The Nuclear Regulatory Commission has set a date for hearing an anti-nuclear group’s case against the proposed decommissioning of a Pennsylvania nuclear power plant, according to agency documents. NRC’s Atomic Safety and Licensing Board planned Jan. 19 to hold an oral argument session on Three Mile Island Alert’s (TMIA) petition against a proposed license amendment […]
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Decommissioning
NRC to hold oral argument on enviros’ gambit to block Three Mile Island decom
An anti-nuclear group looking to block decommissioning of a Pennsylvania nuclear power plant may get a chance in the new year to argue its case before the Nuclear Regulatory Commission, according to agency correspondence. NRC’s Atomic Safety Licensing Board planned to hold a 90-minute oral argument session on Three Mile Island Alert’s (TMIA) petition against […]
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Decommissioning
NRC to hold oral argument on enviros’ gambit to block Three Mile Island decom
An anti-nuclear group looking to block decommissioning of a Pennsylvania nuclear power plant may get a chance in the new year to argue its case before the Nuclear Regulatory Commission, according to agency correspondence. NRC’s Atomic Safety Licensing Board planned to hold a 90-minute oral argument session on Three Mile Island Alert’s (TMIA) petition against […]








