COVERT, MI – The effort to restart the Palisades Nuclear Generating Station is entering its most consequential regulatory phase, as missing decades-old weld documentation forces owner Holtec International to seek relief from federal regulators.

At issue is whether the 800-megawatt nuclear plant — shut down in May 2022 after 51 years of operation — can safely return to service without complete certified material test reports tied to safety-critical reactor welds.

Holtec has acknowledged in public meetings with the U.S. Nuclear Regulatory Commission that certain original fabrication records cannot be located. Rather than replacing the components, the company is preparing to request “regulatory relief,” allowing it to demonstrate safety using alternative engineering analysis and surrogate data.

That request now sits at the center of the restart debate.

$1.52 Billion in Federal Backing

The financial stakes are substantial.

In September 2024, the U.S. Department of Energy’s Loan Programs Office closed a conditional loan guarantee of up to $1.52 billion to support Holtec’s effort to restore and resume operations at Palisades. Hundreds of millions of dollars have already been disbursed toward inspections, equipment upgrades and workforce rehiring.

The State of Michigan has also approved additional economic development incentives tied to the restart.

Supporters argue the plant’s return would provide 800 megawatts of carbon-free baseload electricity — enough to power roughly 800,000 homes — strengthening grid reliability as coal plants retire and renewable capacity expands.

Opponents counter that public dollars should not underwrite elevated technical risk at an aging facility missing key records.

The Weld Documentation Problem

The documentation issue involves welds connected to reactor pressure boundary components — areas responsible for containing high-temperature, high-pressure coolant inside the reactor system.

Under federal nuclear regulations and American Society of Mechanical Engineers standards, certified material test reports verify metallurgy, fabrication procedures and inspection compliance.

Without those records, regulators must determine whether engineering modeling and comparable material analysis can provide what the NRC calls “reasonable assurance of safety.”

Holtec maintains that any relief request will undergo full NRC review and that the restart will not proceed without regulatory approval.

Supporters point to a recent NRC environmental assessment that found “no significant impact” from the restart, a milestone proponents argue demonstrates the project remains within federal safety frameworks.

In addition, emergency preparedness officials from FEMA and state agencies have publicly discussed coordination efforts tied to a potential reopening, emphasizing readiness and oversight.

Palisades Restart: What’s at Stake

  • Plant Capacity: 800 megawatts (enough for ~800,000 homes)

  • Federal Support: Up to $1.52 billion DOE loan guarantee

    • Original Restart Target: Late 2025

  • Current Timeline: Early 2026 (subject to NRC review)

  • Key Issue: Missing certified weld documentation

  • Regulatory Action: Holtec preparing request for NRC “regulatory relief”

Critics Raise Safety Concerns

Environmental groups and anti-nuclear advocates argue the weld issue underscores broader concerns about reopening a 50-year-old reactor.

Kevin Kamps, radioactive waste specialist with Beyond Nuclear, has warned:

“There are tremendous safety risks at Palisades … this nuclear nightmare is back.”

Legal counsel for groups challenging aspects of the restart have criticized what they describe as incremental fixes and regulatory flexibility.

Wally Taylor, co-counsel for environmental petitioners, previously said opponents plan to challenge what he called “Band-Aid fixes” to degraded steam generator tubes and other aging systems.

Critics argue that reopening a decommissioned reactor — an unprecedented move in U.S. commercial nuclear history — requires heightened scrutiny, not regulatory accommodation.

Timeline Slips Add Pressure

Holtec originally projected a restart in late 2025.

More recent reporting suggests early 2026 is more realistic, with inspections, steam generator evaluations and regulatory reviews extending the timeline.

Any extended review of the weld documentation issue could add further delay.

For Michigan’s business community, the restart carries both upside and uncertainty.

Reliable nuclear generation can reduce exposure to volatile natural gas prices and support long-term decarbonization goals. But unresolved technical issues increase financial exposure if delays continue.

A National Test Case

Palisades is not just a Michigan energy story.

It is the first serious attempt to restart a commercially retired nuclear plant in the United States. Federal policymakers are watching closely as part of broader efforts to preserve existing nuclear capacity.

If regulators approve Holtec’s alternative compliance strategy, Palisades could become a model for reviving other retired plants.

If regulators reject it, the project could face costly redesigns or deeper delays.

The Core Question

The central issue now before the NRC is straightforward:

Can a reactor built in the early 1970s — shut down in 2022 and missing portions of its original weld documentation — meet modern restart standards through engineering analysis rather than original fabrication records?

Holtec says yes, pending NRC approval.

Critics argue documentation gaps should trigger replacement, not regulatory relief.

For Michigan residents and businesses, the outcome will determine whether Palisades becomes:

  • A cornerstone of grid stability

  • A $1.52 billion federal clean-energy success

  • Or a cautionary tale about the risks of reviving aging infrastructure

The NRC’s ruling on the weld documentation issue may ultimately decide which path Michigan takes.