NuScale (SMR) thesis teardown: the NRC approval and order book checked against SEC filings
A dated ThesisCheck ledger for an SMR thesis on the only NRC-approved reactor design, DOE backing, and a locked-in module order book. Every claim is checked against the filings, with receipts and the forced bear case.
NuScale is the only SMR company with a US NRC-approved reactor design, and DOE backing plus signed deployment deals lock in a multi-year, high-margin module order book this decade.
Thesis ledger
SMR
NUSCALE POWER Corp · US · NYSE · CIK 1822966
Thesis checked
“NuScale is the only SMR company with a US NRC-approved reactor design, and DOE backing plus signed deployment deals lock in a multi-year, high-margin module order book this decade.”
47 primary-source · 4 secondary-only · 5 unconfirmed · 0 caught & corrected
Descriptive only, no buy/sell/hold, no price target. Every fact carries a dated, clickable source and a trust badge.
Diligence limitations
- Some generated evidence could not be used reliably and was handled conservatively.
- Some expected sources could not be retrieved and are disclosed in the source ledger.
- Some cited web pages could not be retrieved and were treated as unconfirmed rather than asserted.
01 · Inspect first
What to inspect first 5
Fatal variable: converting non-binding ENTRA1/TVA demand into binding PPAs and OEM purchase documentation is required before the thesis has a locked order book.
The thesis appears to rely on this catalysts assumption, but this pass did not verify it from the reviewed sources.
Primary source: 10-Q, 2026-05-07
Fatal variable: NuScale must scale manufacturing and supplier commitments before module revenue can arrive.
The thesis appears to rely on this competition assumption, but this pass did not verify it from the reviewed sources.
Primary source: 10-Q, 2026-05-07
NuScale’s business is still pre-module-sale; significant revenue to date is engineering and licensing services, not NPM sales.
This challenges the business part of the thesis, so it deserves review before supportive evidence gets much weight.
Primary source: 10-Q, 2026-05-07
The PMA does not lock ENTRA1 into buying modules because ENTRA1 retains full discretion to select or purchase from NuScale.
This challenges the risk part of the thesis, so it deserves review before supportive evidence gets much weight.
Primary source: 10-Q, 2026-05-07
NuScale’s Romania Doicesti project had a government-approved investment decision, but the filing frames it as enabling financing and further studies before construction.
Financing and runway can change dilution risk, timing, and how much room the company has to execute.
Primary source: 10-K, 2026-02-26
02 · Supports
Supports your thesis 7
Business1
ENTRA1 is NuScale’s exclusive global strategic partner and prospective customer for NPM commercialization.
Source quote
“NuScale’s exclusive global strategic partner for the commercialization and development”
Financials1
NuScale had $341.1 million of cash and $549.0 million of short-term investments at March 31, 2026, with no debt.
Source quote
“cash and cash equivalents of $341.1 million and short-term investments”
Footnotes / off-balance-sheet1
No warrants were outstanding at the end of 2025 or 2024, reducing one prior dilution overhang.
Source quote
“There were no Warrants outstanding as of December 31, 2025”
Moat1
NuScale’s original 50 MWe SMR design was the first SMR design certified by the U.S. NRC, supporting the thesis that NuScale has a real regulatory lead.
Source quote
“The FSER represented the NRC’s completion of its technical review”
Catalysts & timing3
NuScale’s uprated 77 MWe design received NRC Standard Design Approval in May 2025, supporting the thesis that its current module design has U.S. regulatory approval.
Source quote
“May 2025: NRC finalized their review and approved the SDA”
DOE and government support are real historical funding sources for NuScale’s SMR development.
Source quote
“DOE and other government sponsored cost share agreements”
DOE reported providing more than $600 million since 2014 to support NuScale’s VOYGR SMR plant and other domestic SMR concepts.
Source quote
“provided more than $600 million since 2014”
03 · Bear case
Against your thesis: the bear case 28
Stress test · 28 thesis-breaking counter-points · bear sweep 14/16
Business1
NuScale’s business is still pre-module-sale; significant revenue to date is engineering and licensing services, not NPM sales.
Source quote
“all significant revenue generated to date arises from engineering and licensing fees”
Financials10
NuScale paid ENTRA1 for the milestone trigger rather than booking a module sale; the company incurred a $507.4 million expense tied to the non-binding 72-NPM agreement.
Source quote
“we incurred an expense of $507,393”
NuScale’s Q1 2026 revenue was only $565 thousand, down from $13.375 million in Q1 2025.
Source quote
“Total $ 565 $ 13,375”
NuScale had a Q1 2026 net loss of $46.7 million.
Source quote
“Net Loss $ (46,685)”
Q1 2026 operating cash use was $314.7 million, mainly because of the ENTRA1 payment, lower collections, and vendor prepayments.
Source quote
“primarily due to the payment to ENTRA1 of $259.9 million”
NuScale opened a new $1.0 billion ATM program in February 2026, creating material dilution risk.
Source quote
“aggregate sales price of up to $1,000,000”
NuScale sold 3.16 million Class A shares in Q1 2026 for $37.3 million net proceeds.
Source quote
“issued and sold 3,159,105 shares of Class A common stock”
After Q1 2026 ATM sales, NuScale still had $962.1 million of Class A shares eligible for sale under the 2026 ATM program.
Source quote
“$962.1 million worth of shares of Class A common stock eligible”
NuScale issued 57.1 million Class A shares in 2025 via ATM programs, raising $1.30 billion net.
Source quote
“issued and sold 57,112,216 shares of Class A common stock”
NuScale’s authorized Class A share count doubled by 330 million shares to 662 million in December 2025.
Source quote
“increase the total number of shares of Class A common stock”
Fluor accounted for 76.0% of NuScale’s 2025 revenue, creating related-party/customer concentration risk.
Source quote
“revenue earned from Fluor accounted for 76.0%”
Footnotes / off-balance-sheet2
NuScale had no accrued PMA liability at March 31, 2026 because later Milestone Contribution 2 and 3 criteria had not been met.
Source quote
“the criteria to record such liability has not been met yet”
NuScale’s supply chain includes long-lead materials from South Korea, creating execution and input-supply exposure.
Source quote
“long-lead material work in process being manufactured in South Korea”
Moat1
The company warns the SMR market is not yet established and may not grow as expected.
Source quote
“the market for SMRs is not yet established”
Management & governance2
NuScale’s related-party relationship with Fluor remained material because Fluor was a >5% holder and paid NuScale $22.1 million in 2025 for services.
Source quote
“has made payments totaling $22,124,860.16 to NuScale Power”
A director resignation occurred in January 2025: James Hackett resigned from the board.
Source quote
“Mr. Hackett resigned from the Board on January 15, 2025”
Competition1
NuScale’s filings identify competition from other nuclear reactor technologies as a material risk.
Source quote
“competition from other nuclear reactor technologies”
Risk8
The PMA does not lock ENTRA1 into buying modules because ENTRA1 retains full discretion to select or purchase from NuScale.
Source quote
“ENTRA1 retains sole and full discretion to select, contract with, or purchase”
The 72-NPM milestone that drove the PMA payment was triggered by a non-binding agreement, not a firm order book.
Source quote
“ENTRA1 entered into a non-binding agreement relating to 72 NPMs”
A securities class action filed in February 2026 alleges false or misleading statements about ENTRA1’s experience, qualifications, and capabilities.
Source quote
“relating to ENTRA1’s experience, qualifications and capabilities”
A March 2026 derivative lawsuit asserts fiduciary-duty and related claims based on substantially the same ENTRA1 allegations.
Source quote
“based on substantially the same factual allegations”
The 2025 10-K added PMA-related funding/payment obligations as an explicit forward-looking risk factor compared with the prior year’s thesis context.
Source quote
“including in connection with the satisfaction of our payment obligations under the PMA”
The canceled CFPP project is a major prior execution failure: WIRED reported the Idaho plant was canceled because backers could not recruit enough customers.
Source quote
“would be able to recruit enough additional customers”
WIRED reported that commitments to buy CFPP output were below 25%, a cautionary datapoint for claimed locked-in demand.
Source quote
“covered less than 25 percent of its output”
A short-seller/skeptic view questioned NuScale’s remaining projects and Standard Power’s ability to fund NuScale technology.
Source quote
“questioned last month in a report issued”
Valuation1
The company warns its NPM power may not be cost competitive, directly threatening margin durability and customer adoption.
Source quote
“our NPMs may not be cost competitive”
Catalysts & timing2
The TVA-ENTRA1 collaboration remained non-binding and contingent on future power purchase agreements.
Source quote
“announced the signing of a non-binding agreement”
The possible next phase with TVA depends on execution of one or more PPAs between ENTRA1 and TVA.
Source quote
“contingent on the execution of one or more purchase power agreements”
04 · Context
Material context 14
Business1
NuScale’s current NPM is a 77 megawatt gross light-water reactor module.
Source quote
“Light Water Reactor nuclear power plant with 77 megawatt (gross) NPMs”
Financials2
Management said available cash, investments, and capital markets access should satisfy cash needs for at least 12 months and beyond, so no going-concern doubt was found in the latest 10-Q text checked.
Source quote
“to satisfy our cash requirements for the next 12 months and beyond”
NuScale earned no revenue from Fluor in Q1 2026, versus Fluor contributing 54% of revenue in Q1 2025.
Source quote
“Fluor accounted for $7,269, or 54%, of the Company’s revenue”
Footnotes / off-balance-sheet2
NuScale’s long-lead material inventory includes heavy forging, steam-generator tubes, and weld material needed for NPM manufacturing.
Source quote
“raw materials required for heavy forging, steam generator tubes and weld material”
NuScale has a USTDA repayment exposure tied to future geographic or contract revenue, up to about $7.1 million.
Source quote
“could owe the USTDA for funds previously received”
Moat1
True-beneficiary-vs-theme-tourist read: NuScale owns an NRC-approved reactor design, but ENTRA1 controls much of the commercialization path and can decide whether to pursue opportunities.
Source quote
“ENTRA1 can decide in its sole discretion whether to participate”
Management & governance6
The 2026 proxy shows Fluor Enterprises held 12.09% total voting power as of March 30, 2026.
Source quote
“Fluor Enterprises, Inc.(14) 40,400,219”
A later Fluor Schedule 13D/A shows Fluor sold 12.94 million shares on April 15, 2026 and fell below 5% reporting status.
Source quote
“sold 12,936,472 shares of Class A Common Stock”
The proxy disclosed a special committee created to evaluate Fluor’s monetization alternatives, indicating the board had to manage Fluor exit-related governance issues.
Source quote
“evaluate Fluor Corporation’s monetization alternatives for its equity position”
Board governance is not staggered in the 2026 proxy; directors are elected annually until the next annual meeting.
Source quote
“serve until the next annual meeting or until a successor”
NuScale’s latest Form 4 cluster includes a CFO sale of 20,000 shares on June 30, 2026 after option exercise, but it was automatic under a Rule 10b5-1 plan.
Source quote
“occurred automatically pursuant to a Rule 10b5-1 trading plan”
Fluor’s April 2026 Form 4 sale was made pursuant to a previously disclosed agreement, not a discretionary open-market insider purchase.
Source quote
“Sale was made pursuant to a previously disclosed agreement”
Catalysts & timing1
NuScale’s Romania Doicesti project had a government-approved investment decision, but the filing frames it as enabling financing and further studies before construction.
Source quote
“allowing for the ability to seek secured financing to further feasibility studies”
regulatory_legal1
Customers can use the approved 77 MWe design in U.S. applications, but they still must file applications to build and operate a plant.
Source quote
“file applications seeking permission to build and operate an SMR”
05 · Evidence gaps
Evidence gaps: what the thesis needs but reviewed sources did not show 2
These are diligence signals the thesis needed but this pass did not verify from the reviewed corpus.
Competition1
Fatal variable: NuScale must scale manufacturing and supplier commitments before module revenue can arrive.
Source quote
“our ability to scale to the production levels necessary”
Catalysts & timing1
Fatal variable: converting non-binding ENTRA1/TVA demand into binding PPAs and OEM purchase documentation is required before the thesis has a locked order book.
Source quote
“Upon execution by ENTRA1, or its designated affiliate, of a binding”
Could not confirm from the primary corpus
5
- [contradicts] MarketWatch reported BofA warned NuScale and Oklo valuations reflected unrealistic deployment and discount-rate assumptions.↳ retrieval failed/blocked (http 401) — disclosed gap, not asserted
- [did_it_already_run] The stock had already run materially by September 2025, with MarketWatch reporting NuScale shares up more than 100% year to date.↳ retrieval failed/blocked (http 401) — disclosed gap, not asserted
- [missing] Checked going-concern language in the latest 10-Q and 2025 10-K; no substantial-doubt going-concern statement was found in the reviewed corpus.↳ No substantial-doubt going-concern disclosure was found; company instead states it has cash and investments sufficient for the next 12 months and beyond.
- [missing] Checked for confirmed binding commercial module purchase orders in the corpus; none were found beyond non-binding agreements and prospective-customer language.↳ The corpus supports non-binding agreements, prospective-customer status, and unmet later PMA milestones, but not a binding NPM order book.
- [missing] Checked for auditor churn, restatement, or material weakness in the proxy and latest periodic reports; none found as a current material governance breaker.↳ A director resignation and lawsuits were found, but no auditor change, restatement, or material weakness disclosure was identified in the reviewed text.
06 · Coverage
Coverage audit: what was checked
Every diligence area and bear-case angle we checked against the reviewed sources this pass. Green means we found and verified evidence; faint means nothing surfaced.
Filing segments with verified evidence: 2/10. Gaps to close this pass: 10K_Item_1_business, 10K_nonoperating_block, 8K_SEC_8K_0001822966-26-000058, 8K_SEC_8K_0001822966-26-000052, 8K_SEC_8K_0001822966-26-000038, 8K_SEC_8K_0001822966-26-000019, 8K_SEC_8K_0001822966-26-000016, 8K_SEC_8K_0001822966-26-000007
Advisory: does not alter the facts above.
07 · SourcesSource ledger: what was checked 32
Source note: Price history fetch failed: Stooq returned a non-CSV response.
- energy.gov, 2023-01-20 ↗ Secondary · NRC Certifies First U.S. Small Modular Reactor Design · dated 1261d before as-of
- wired.com, 2023-11-09 ↗ Secondary · The First Small-Scale Nuclear Plant in the US Died Before It Could Live · dated 968d before as-of