The Shot Clock Problem: Why Nuclear Energy Needs Real Deadlines, Not Administrative Aspirations
When two companies file a Hart-Scott-Rodino (“HSR”) notification for a large merger, a clock starts. The antitrust agencies have thirty days to issue a Second Request. If they don't act within that window, the parties can close the transaction. The agencies retain authority to challenge the deal after the fact, but they lose the ability to hold it up indefinitely.
Billions of dollars in M&A financing get underwritten every year against that single piece of timing certainty. The same logic runs through federal regulation of broadband infrastructure, telecommunications mergers, and – with some important caveats – interstate natural gas pipelines. In every mature capital-intensive sector of the U.S. economy, the government bears a meaningful share of timing risk.
Nuclear energy is the outlier. And that outlier status is itself the financing problem.
What a Shot Clock Actually Is
There is a distinction in regulatory design that matters enormously for project finance and gets almost no attention in the nuclear licensing debate. It is the difference between a deadline and a shot clock.
A deadline is a target. The agency is expected to act within some period of time. If it misses that window, the consequences are informal: a congressional letter, some bad press, a promise to do better next time. The regulated party has no remedy. The deadline exists as a professional norm, not as a binding constraint.
A shot clock is different. A shot clock is a deadline with a default consequence. If the agency does not act within the specified window, something happens automatically – and that something is favorable to the regulated party. In basketball, the offense loses possession. In HSR review, the transaction can close. The mechanism varies across contexts, but the structure is the same: the agency has to act or lose control of the outcome.
This asymmetry is what makes shot clocks effective. It aligns the agency's incentives with the regulated party's need for timing certainty, without compromising the substantive rigor of review.
It is worth being precise about what constitutes a shot clock, because a comparator often invoked in nuclear discussions (FERC review of interstate natural gas pipelines under Section 7(c) of the Natural Gas Act) is not actually a shot clock at all. There is no statutory time limit within which FERC must act on a certificate application. What exists is a set of process norms, pre-filing procedures, and EPAct 2005 authority for FERC to set schedules for other agencies' related approvals. Even without a binding deadline, the system produces reasonably bounded outcomes: a 2013 GAO study found that FERC's average review time from pre-filing to certification was 558 days, or roughly 18.6 months, with review times of 225 days (7.5 months) for projects that skipped the pre-filing phase.
That is the significant point. Even an infrastructure permitting regime that lacks a formal shot clock, operating under nothing more than process discipline and institutional norms, produces review timelines that beat nuclear licensing by a factor of two to six. Nuclear is not merely behind the sectors with real shot clocks. It is behind the sectors that should, in theory, be most comparable to it – and that are themselves considered candidates for reform.
None of the timing discipline that exists elsewhere exists in nuclear licensing today.
The Nuclear Licensing Timeline Reality
The Vogtle combined construction and operating license (“COL”) offers the cleanest available data point. Southern Nuclear Operating Company submitted its COL application on March 28, 2008. The NRC issued the COLs for Units 3 and 4 on February 10, 2012… roughly forty-seven months later.
At the time, the industry called that a success. The NRC had committed to a streamlined one-step licensing process under 10 CFR Part 52, specifically to avoid the delays that had plagued the two-step process under Part 50. Forty-seven months was held up as proof that the new framework was working.
Pause on that for a moment. The benchmark of regulatory success for nuclear licensing in 2012 was a review timeline that, in any other regulated sector, would have been a five-alarm crisis. A four-year review window is longer than the entire life cycle of many infrastructure projects. It is longer than most political cycles. It is longer than the attention span of any single investment committee.
The financial implications are not abstract. Every month of review is a month of interest accrual on pre-construction capital, a month of supply chain uncertainty, a month of workforce mobilization risk. For a project with billions in early-stage commitments, timeline indeterminacy is not a procedural concern; it is a direct and quantifiable increase in the risk-adjusted cost of capital.
The question is not whether nuclear review should be rigorous. Of course it should. The question is whether rigorous review requires an open-ended timeline. The experience of every other capital-intensive regulated sector in the American economy suggests it does not.
Where Current Reforms Fall Short
There is a reasonable objection to this framing: policymakers are aware of the problem, and recent reforms have begun to address it.
The ADVANCE Act of 2024, signed into law in July 2024, requires the NRC to establish milestone schedules for licensing review, reduces hourly fee rates for advanced reactor applicants, and directs the agency to regulate in a manner that does not unnecessarily limit nuclear deployment. Executive Order 14300 goes further, calling for binding licensing deadlines: no more than eighteen months for decisions on new reactor applications and no more than twelve months for license renewals, with NRC fee recovery capped to prevent prolonged processes from inflating costs. The NRC has begun implementing these targets, establishing new Nuclear Energy Innovation and Modernization Act (“NEIMA”) milestone schedules aligned to the EO's twelve- and eighteen-month windows.
These are meaningful steps. But they are not shot clocks.
The key question – the question that matters for anyone trying to underwrite a nuclear project – is this: what happens if the NRC misses those deadlines? If the answer is that the NRC writes a report to Congress explaining the delay, or that the applicant can request a meeting with Commission staff, or that the review continues until the agency is ready to act, then you do not have a shot clock. You have an administrative aspiration.
And administrative aspirations have a specific structural weakness: they can be reversed. An executive order issued by one administration can be rescinded by the next. An internal NRC milestone schedule can be deprioritized when agency leadership changes. A guidance document can be quietly revised. The entire architecture of the current reform effort – impressive as it is – depends on political continuity that capital markets have no reason to assume.
We have now had three major nuclear licensing reform efforts in seven years: NEIMA in 2019, the ADVANCE Act in 2024, and EO 14300 in 2025. Each has improved the regulatory environment at the margin. None has yet answered the question of what legally binding consequence follows when the agency misses a deadline. Until that question is answered, the timing certainty that structured finance requires does not exist.
What a Real Shot Clock Framework Would Require
A shot clock regime for nuclear licensing that actually creates financing-grade timing certainty would need three elements.
First, statutory grounding. The shot clock must be established in legislation, not executive order or internal NRC rulemaking. This is not a technical distinction. It is the single most important design choice in the entire reform package. A statutory shot clock survives administration changes, political cycles, and shifts in agency leadership. An executive-order shot clock does not. For capital markets participants pricing thirty-year project finance, the difference is determinative. You cannot underwrite a 2055 cash flow against a 2025 executive order.
Second, a default consequence with teeth. Missing the deadline must trigger a defined outcome, and the outcome must be meaningful enough to change the agency's incentive structure. For the narrow class of applications where (1) the reactor design has already received NRC design certification, (2) the design has been successfully constructed and is operating somewhere in the world, and (3) the proposed site already hosts licensed nuclear reactors, deemed approval upon missed deadline is the appropriate default. The substantive safety work in those cases is largely complete before the application is filed – the design has been reviewed, the site has been characterized, and the operator is known to the regulator. The marginal safety information developed by a fourth or fifth iteration of the same review of the same design at the same site is close to zero, and the incremental regulatory time it consumes is measured in years rather than months. For applications outside that narrow category (novel designs, greenfield sites, or applicants new to nuclear operations) a lesser default consequence is appropriate: automatic escalation to commission-level review with a strictly bounded subsequent window, mandatory applicant cost recovery for delay, a formal burden shift requiring the agency to justify continuation in writing with specific findings, or a combination. The specific mechanism can be calibrated to the risk profile. What cannot be calibrated away is the need for some binding consequence. Without one, the deadline is just advisory.
Third, calibrated windows by application type. Not every licensing action warrants the same timeline. A COL application referencing a fully certified design at a previously licensed site involves fundamentally different regulatory work than a novel-design application at a greenfield site. The former should be reviewed in months; the latter may reasonably take longer. The FAA's tiered review structure (which I have written about previously in the context of type certification) provides the template. Calibration is not wholesale deregulation; it is the rational allocation of regulatory attention to where it is actually needed.
The Legislative Landscape
The political economy of shot clock legislation is more favorable than it might appear.
Unlike fuel cycle reform, waste policy, or federal siting preemption, a shot clock statute has no natural opposition coalition. It does not cost the Treasury anything. It does not shift regulatory authority between agencies. It does not preempt state prerogatives. It has clean and well-understood precedents in other sectors (the Hart-Scott-Rodino Act being the most direct) that have functioned for decades without undermining regulatory substance.
What is missing is not the political coalition. It is the specific legislative vehicle. No currently pending nuclear reform bill, to my knowledge, establishes a statutory shot clock with a binding default consequence. The ADVANCE Act came close in structure but stopped short in mechanism. EO 14300 articulated the timeline targets but cannot, as an executive order, create statutory obligations. The next major nuclear licensing reform bill, whether a standalone measure or a provision in a broader energy package, has an opportunity to close that gap. Whether it does so will determine whether the current wave of reform actually moves the needle on project finance, or simply improves the administrative experience of dealing with the NRC.
The Capital Markets Case
The argument I made in a previous piece about type certification applies here with equal force: the argument for reform is often framed in terms of industrial policy or energy security. Those arguments are correct, but they are not what moves project finance committees.
Design stability and timeline certainty are the two independent components of underwritable regulatory risk. A certified design that can be locked in is worthless if the licensing timeline is unbounded. A bounded licensing timeline is worthless if the certified design can be reopened mid-construction. Solve one without the other and you have made progress; solve both and nuclear project finance becomes genuinely bankable at institutional scale.
The AP1000 pipeline is real. The ADVANCE Act was meaningful. EO 14300 was meaningful. None of that substitutes for a statutory shot clock with a default consequence. The capital markets cannot underwrite thirty-year project finance against timing commitments that depend on the continued enthusiasm of a particular administration. They require commitments that outlast the political cycle. And only legislation can deliver that certainty.
This is not about whether nuclear is safe. It is not about whether the NRC should be rigorous. It is about whether the regulatory framework is structured in a way that allows investors to price the risk of building a reactor. On timeline risk specifically, right now, it is not.
Administrative reforms can be easily undone. Statutory shot clocks cannot. Markets cannot underwrite eighty-year assets against legal frameworks designed to last four.
The author is a structured finance attorney focusing on energy and capital markets transactions. The views expressed are the author's own.