Key takeaways
- Nuclear demand is accelerating fast: Between AI data centers consuming massive amounts of power and governments pushing to triple nuclear capacity by 2050, the supply-demand setup for uranium and nuclear services is about as strong as I’ve seen it in years.
- Diverse ways to play it: Canadian-listed nuclear stocks give you exposure across the entire value chain, from uranium miners and fuel processors to engineering firms designing next-gen reactors and pipeline operators moving into nuclear power generation. That variety lets you pick your spot based on your risk tolerance.
- Uranium price swings are real: These stocks are tied to a commodity that can be wildly volatile, and many of the smaller names aren’t yet profitable or are still in development stages. If uranium prices pull back or reactor buildout timelines slip, the downside can be sharp, so position sizing matters a lot here.
Nuclear energy is having a moment, and for good reason. The global push for clean baseload power, combined with surging electricity demand from data centers and AI infrastructure, has put nuclear back at the center of the energy conversation. Countries that spent years backing away from it are now reversing course. New reactor designs are getting funded. Uranium supply can’t keep up. This isn’t hype. The fundamentals have genuinely shifted.
Canada has a unique position in all of this. The country is one of the world’s largest uranium producers, has decades of experience operating CANDU reactors, and is home to companies involved in everything from fuel supply to reactor construction and maintenance. If you’re looking at Canadian uranium stocks purely as a commodity play, you’re only seeing part of the picture. The real opportunity spans the entire nuclear value chain.
That said, “nuclear stock” is a loose label. The four companies I’m covering here couldn’t be more different from each other. One is a uranium miner. One builds and maintains energy infrastructure. One is a midstream energy giant pivoting toward nuclear-adjacent opportunities. And one is a specialty manufacturer with defense ties. Lumping them together would be lazy.
Risk profiles vary wildly too. Cameco’s fortunes are tied directly to uranium pricing and contract structures. Aecon is a construction business where project execution risk is real. TC Energy is a massive pipeline operator that most people wouldn’t even associate with nuclear, yet its involvement in reactor refurbishment projects makes it relevant. AirBoss is the smallest and most speculative of the group, with a defense-oriented business that touches nuclear in a niche way.
I wanted to focus on companies where the nuclear thesis is real, not just a marketing pitch slapped onto a press release. Some of these are strong Canadian stocks in their own right, nuclear or not. Others need the thesis to play out for the investment to work.
In This Article
- TC Energy Corporation (TRP.TO)
- Aecon Group Inc. (ARE.TO)
- Cameco Corporation (CCO.TO)
- NexGen Energy Ltd. (NXE.TO)
TC Energy Corporation (TSX: TRP)
$95.50
Overall Grade5.3 / 10
TC Energy Corporation, founded in 1951 and headquartered in Calgary, Canada, is a prominent North American energy infrastructure company. It operates through three main segments: Natural Gas Pipelines, Liquids Pipelines, and Power and Storage...
Grades
Valuation
Profitability
Growth
Debt
Dividend
Valuation
P/E27.3
P/B3.3
P/S5.9
P/FCF23.9
FCF Yield+4.2%
Growth & Outlook
Rev Growth (YoY)+1.6%
EPS Growth (YoY)-2.4%
Revenue 5yr+2.9%
EPS 5yr+11.4%
FCF 5yr-
Fundamentals
Market Cap$103.8B
Dividend Yield3.7%
Operating Margin+44.8%
ROE+11.0%
Interest Coverage2.2x
Competitive Edge
- TC Energy's NGTL and Mainline systems are effectively irreplaceable infrastructure with regulated, cost-of-service returns. New pipeline construction in Canada faces near-impossible permitting timelines, creating a permanent barrier to entry for competitors.
- The Southeast Gateway pipeline in Mexico, now largely complete, locks in 25-year USD-denominated take-or-pay contracts with CFE. This provides inflation-protected, sovereign-backed cash flows with minimal volume risk, a rare combination in emerging market infrastructure.
- The Liquids Pipelines spinoff into South Bow in late 2024 simplifies the story into a pure-play natural gas and power company, directly aligned with the LNG export buildout and data center power demand thesis that institutional capital is chasing.
- TC Energy's US gas pipeline network, including Columbia Gas and ANR, sits at the intersection of Appalachian supply and Gulf Coast LNG demand. As US LNG export capacity doubles by 2028, utilization and recontracting rates on these pipes should structurally improve.
- Rate-regulated returns on roughly 95% of EBITDA provide earnings visibility that most energy companies cannot match. Regulatory lag exists, but the flip side is that downturns in commodity prices have minimal direct impact on cash flows.
By the Numbers
- Mexico Natural Gas Pipelines EBITDA surged 36.6% YoY to C$1.365B while capex plunged 76.6% to C$522M, signaling the Southeast Gateway pipeline is transitioning from capital sink to cash generator. This segment's EBITDA margin now exceeds 94%, the highest in the portfolio.
- OCF-to-net-income ratio of 2.11x indicates strong earnings quality for a regulated pipeline, with depreciation and deferred taxes providing substantial non-cash cushion. FCF-to-net-income of 0.93x confirms cash earnings are real despite the capital-intensive model.
- US Natural Gas Pipelines revenue jumped 12.7% YoY to C$7.145B in FY2025, the fastest growth since FY2022, driven by new rate settlements and expansion projects. This segment alone generates 47% of total revenue and 45% of comparable EBITDA.
- SG&A-to-revenue of just 5.5% reflects the operating leverage inherent in a pipeline network. Once pipes are in the ground, incremental throughput drops almost entirely to EBITDA, which is why operating margins sit at 44.8% despite modest top-line growth.
- Canadian Natural Gas Pipelines EBIT recovered from negative C$90M in FY2023 to C$2.164B in FY2025, a full normalization after the Keystone-related impairments. The segment now earns a 37.4% EBIT margin on C$5.785B of revenue.
Risk Factors
- Net debt-to-EBITDA of 6.08x is elevated even for a regulated utility, and with interest coverage at only 3.19x, the cost of servicing C$61.8B in total debt is consuming roughly a third of operating earnings. Refinancing risk is real if rates stay elevated.
- Unlevered FCF is negative C$126M, meaning the business cannot fund its capital program from operations alone without relying on debt or asset sales. The Liquids Pipelines spinoff (South Bow) removed a cash-generating segment, compounding this pressure.
- Payout ratio of 106% on earnings means the dividend is not covered by net income. Even the FCF payout ratio of 93.2% leaves almost no margin of safety, and FCF itself has declined at a negative 29.7% CAGR over five years.
- Current ratio of 0.65 and quick ratio of 0.33 signal short-term liquidity is tight. The company holds only C$1.04 per share in cash against C$4.60 per share in annual capex, relying heavily on credit facilities and capital market access.
- Power & Energy Solutions EBITDA dropped 17% YoY to C$1.008B while revenue fell 11.4%, and quarterly EBIT shows continued sequential weakness. This was previously a growth segment, and the reversal suggests power market conditions or contract roll-offs are biting.
Aecon Group Inc. (TSX: ARE)
$48.37
Overall Grade5.1 / 10
Aecon Group Inc. is a major Canadian construction and infrastructure development company that provides integrated services to private and public sector clients...
Grades
Valuation
Profitability
Growth
Debt
Dividend
Valuation
P/E81.9
P/B2.7
P/S0.5
P/FCF14.8
FCF Yield+6.8%
Growth & Outlook
Rev Growth (YoY)+3.6%
EPS Growth (YoY)+121.7%
Revenue 5yr+7.2%
EPS 5yr-8.1%
FCF 5yr-
Fundamentals
Market Cap$3.4B
Dividend Yield1.6%
Operating Margin+2.1%
ROE-2.6%
Interest Coverage1.6x
Competitive Edge
- Aecon's nuclear infrastructure capabilities (refurbishment, SMR) position it in a market with 20+ year demand visibility in Canada. Few competitors have the certifications and track record required, creating a regulatory moat that new entrants cannot replicate quickly.
- The strategic pivot away from large fixed-price P3 contracts toward cost-plus and unit-price work directly addresses the margin blowups that plagued FY2023-2024. Management learned from Eglinton Crosstown and Finch West losses, and the contract mix data confirms the shift is real.
- Canada's federal and provincial infrastructure spending commitments (transit, energy transition, defense) create a multi-decade demand backdrop. Aecon's diversification across civil, nuclear, utilities, and urban transit means it captures multiple spending streams rather than depending on one program.
- The U.S. expansion, particularly in utility and energy infrastructure, opens a market roughly 10x the size of Canada's. Early traction ($626M and growing fast) suggests the company can replicate its Canadian playbook without acquisition-heavy entry.
By the Numbers
- Consolidated backlog surged 60.8% YoY to $10.7B, with $5.0B extending beyond 24 months (up 110% YoY). That is roughly 2x trailing revenue, providing exceptional forward visibility for a construction company and de-risking near-term estimates.
- Construction segment EBITDA swung from $34.2M to $220.4M (up 544% YoY), signaling that legacy fixed-price problem projects are rolling off. Construction EBITDA margin recovered to ~4.1% from 0.8%, still below the ~5.4% achieved in FY2021, leaving further margin normalization ahead.
- Cost-plus/unit price revenue now represents 68% of construction revenue (up from 38% in FY2021), a deliberate mix shift that structurally reduces fixed-price risk. This contract mix improvement is the single most important margin protection story in the data.
- USA revenue compounded at roughly 105% annually over the last four years ($34.6M to $626.5M), now comprising 11.5% of total revenue versus under 1% in FY2021. This geographic diversification reduces Canadian infrastructure cycle dependency.
- Net debt is actually negative at -$49M (net cash position) with $7.66 cash per share, while FCF margin of 3.4% on $5.4B revenue generated $200M+ in operating cash flow. For a construction firm, carrying net cash while growing backlog 60% is unusual financial discipline.
Risk Factors
- Trailing P/E of 101x reflects depressed TTM EPS of $0.23, but even forward P/E of 34.8x on consensus $1.48 EPS requires flawless execution. The PEG of 0.18 looks attractive only if the 544% EBITDA rebound is sustainable, which is a recovery, not a growth rate.
- SBC of $36.4M represents 0.65% of revenue but 158x trailing net income, and buyback yield is negative at -4.7%, meaning share issuance is actively diluting shareholders. Net shares outstanding grew, and repurchases of just $1.7M are token against $36M in SBC.
- Interest coverage at 3.0x is thin for a company with $458M in total debt and cyclical revenue. If construction margins compress again on any new problem project, this ratio could quickly breach covenant territory.
- FCF declined 78% YoY and the 3-year FCF CAGR is -50%, even as revenue grew. The FCF-to-net-income ratio of -7.5x (negative NI, positive FCF) signals that reported earnings quality has been poor, with working capital swings masking underlying cash generation patterns.
- Payout ratio of 172% on trailing earnings is unsustainable. While the FCF payout ratio of 32.5% provides cover, the dividend of $0.95/share requires continued FCF improvement. Any working capital reversal on the rapidly growing backlog could squeeze both FCF and the dividend.
Cameco Corporation (TSX: CCO)
$122.75
Overall Grade4.7 / 10
Cameco Corporation, headquartered in Saskatoon, Canada, is one of the world's largest publicly traded uranium producers. The company is involved in the exploration, mining, milling, and marketing of uranium concentrate, which is used to generate clean electricity...
Grades
Valuation
Profitability
Growth
Debt
Dividend
Valuation
P/E101.5
P/B9.3
P/S18.6
P/FCF71.5
FCF Yield+1.4%
Growth & Outlook
Rev Growth (YoY)+1.6%
EPS Growth (YoY)+10.4%
Revenue 5yr+19.1%
EPS 5yr-
FCF 5yr+21.3%
Fundamentals
Market Cap$53.9B
Dividend Yield0.2%
Operating Margin+16.9%
ROE+9.3%
Interest Coverage5.3x
Competitive Edge
- Cameco controls two of the world's highest-grade uranium deposits (McArthur River/Key Lake and Cigar Lake in Saskatchewan), giving it a structural cost advantage that Kazatomprom's ISL operations and Orano's Niger assets cannot replicate in tier-one jurisdictions.
- The Westinghouse acquisition creates a vertically integrated nuclear fuel cycle player. Owning reactor technology, fuel fabrication, and uranium supply locks in customers across 30+ year reactor lifespans, creating switching costs no pure-play miner can match.
- Nuclear is increasingly classified as clean baseload energy by the EU taxonomy and U.S. IRA. With 60+ reactors under construction globally and China targeting 150 GWe by 2035, the demand runway extends well beyond the current contracting cycle.
- Saskatchewan's political stability, established regulatory framework, and skilled labor pool create a jurisdictional moat. Competitors in Niger (Orano), Namibia (Paladin), and Kazakhstan face geopolitical risks that periodically disrupt supply and benefit Cameco's pricing.
- Long-term contract book provides revenue visibility. With 33M lbs in annual uranium sales at escalating realized prices, Cameco captures upside from spot price increases while maintaining a floor through fixed-price and market-related contracts.
By the Numbers
- Net cash position of C$113M with OCF-to-debt ratio of 1.28x means Cameco could retire all C$997M in total debt in under a year from operations alone, giving exceptional financial flexibility in a capital-intensive mining sector.
- FCF-to-net-income ratio of 1.42x signals high earnings quality. Cash generation consistently exceeds reported profits, which is rare for miners where capex often consumes operating cash flow.
- Uranium average realized price climbed from C$43.34/lb in FY2021 to C$87/lb in FY2025, a 101% increase, while contracted sales volumes held steady around 33M lbs. This pricing power flows almost entirely to the bottom line given fixed-cost mine operations.
- Fuel Services gross margin expanded sharply in FY2025, with gross profit surging 64.2% on only 22.5% revenue growth. This implies significant operating leverage as conversion capacity utilization rises toward 14M kgU production.
- Current ratio of 3.08x and cash ratio of 1.53x are unusually strong for a miner. With C$1.1B in cash against near-term obligations, Cameco can self-fund the 102% surge in uranium capex (C$268M) without accessing capital markets.
Risk Factors
- At 101x trailing P/E, 73x EV/EBITDA, and 18.6x EV/Sales with a PEG of 13.6x, the stock prices in a decade of perfect execution. Even on Y3 consensus EPS of C$3.28, the forward P/E is still 46x, leaving no margin for error.
- Uranium production fell 10.3% YoY to 21M lbs in FY2025 while capex doubled to C$268M. This divergence between rising investment and falling output suggests either operational challenges at McArthur River/Cigar Lake or pre-investment for future capacity that won't pay off near-term.
- Revenue growth decelerated sharply from 24.3% to 7.4% in uranium and from 27.6% to 4.5% in the Americas. The 1.6% total revenue growth against 10.4% EPS growth was driven by margin expansion, not volume, which has a ceiling.
- WEC segment (Westinghouse) posted C$54M EBT on C$3.46B revenue, a 1.6% margin, after losing C$280M the prior year. The C$206M capex burden and volatile quarterly EBT swings (Q4 FY2025 at negative C$61M) suggest integration is far from complete.
- FCF declined 16.9% YoY despite earnings growth, and FCF conversion trend is flagged at -1. With capex-to-depreciation at 1.18x and rising, the gap between reported earnings and cash available to shareholders is widening.
NexGen Energy Ltd. (TSX: NXE)
$12.97
Overall Grade4.7 / 10
NexGen Energy Ltd. is a pre-revenue Canadian mining company engaged in the acquisition, exploration, evaluation, and development of uranium properties...
Grades
Valuation
Profitability
Growth
Debt
Dividend
Valuation
P/E-24.1
P/B6.3
P/S-
P/FCF-123.0
FCF Yield-0.8%
Growth & Outlook
Rev Growth (YoY)-
EPS Growth (YoY)+26.4%
Revenue 5yr-
EPS 5yr-
FCF 5yr+24.3%
Fundamentals
Market Cap$8.5B
Dividend Yield-
Operating Margin-
ROE-23.5%
Interest Coverage2.1x
Competitive Edge
- Arrow Deposit's grade and scale (>300M lbs U3O8 indicated) in the Athabasca Basin makes it arguably the highest-quality undeveloped uranium asset globally. Saskatchewan's mining-friendly jurisdiction and existing infrastructure reduce political risk versus peers in Namibia or Kazakhstan.
- Uranium supply-demand fundamentals are structurally tight: reactor restarts in Japan, new builds in China/India, and Western utility recontracting cycles create a multi-year demand tailwind. NexGen's production timeline aligns with the period when secondary supply sources (underfeeding, inventory drawdowns) are largely exhausted.
- 100% ownership of Rook I eliminates JV partner risk and gives NexGen full control over development pace, offtake negotiations, and capital allocation. This is uncommon among large-scale uranium projects, where partnerships typically dilute economics.
- The Saskatchewan regulatory framework, including the Canadian Nuclear Safety Commission process, is well-established with precedent from Cameco and Orano operations. This is not frontier permitting; the pathway is known even if timelines are uncertain.
- NexGen's single-asset focus means management bandwidth is entirely dedicated to optimizing Arrow's development, unlike diversified miners where flagship projects compete for capital and attention internally.
By the Numbers
- Net cash position of ~C$304M (C$1.67/share) with zero long-term debt to capital gives NexGen exceptional financial flexibility to fund Rook I construction without immediate dilutive financing, covering roughly 2 years of current cash burn at ~C$145M/year unlevered FCF outflow.
- Cash ratio of 1.34 and quick ratio of 1.35 nearly mirror the current ratio of 1.37, meaning virtually all current assets are liquid cash with negligible receivables or inventory. For a pre-revenue miner, this is the cleanest possible balance sheet structure.
- EPS losses are improving: YoY EPS growth of 26.4% (losses narrowing) while estimated EPS trajectory from Y1 (-C$0.33) to Y2 (-C$0.23) implies continued improvement. The loss reduction pace is consistent, not erratic.
- Revenue estimates jump from C$2.25M in Y2 to C$726.5M in Y3, signaling analysts expect Rook I first production within that window. That step-function revenue profile, if realized, would transform the entire financial picture in a single year.
- Growth grade of 7.0/10 is the highest category score, reflecting the market's recognition that Arrow's resource base supports a rare organic growth trajectory among uranium developers, not dependent on acquisitions or commodity price spikes alone.
Risk Factors
- Stock-based compensation of C$42.6M against zero revenue means SBC is the single largest operating cost category. Shares outstanding grew 3.8% YoY, and buyback yield of -0.5% confirms dilution is not being offset. Every year of pre-production erodes per-share economics.
- FCF-to-net-income ratio of 0.21 looks odd for a pre-revenue company. The FCF-to-OCF ratio of 1.52 (FCF exceeding OCF) suggests capitalized development costs are being excluded from capex, artificially flattering the FCF figure. Capex-to-depreciation of 14.3x confirms heavy capitalization.
- P/B of 5.0x against tangible book of C$2.78/share means C$10.19/share of market cap is pure optionality premium on Arrow. If permitting delays or uranium prices soften, that premium compresses violently with no earnings floor to support it.
- Profitability grade of 0.8/10 is effectively zero, the worst score across all categories. While expected for pre-revenue miners, it quantifies the binary nature of this investment: there is no margin of safety from current operations.
- The revenue estimate dispersion is extreme: Y3 at C$726.5M but Y4 drops to C$26.7M, then Y5 rebounds to C$370M. This wild variance across only 9 analysts signals deep uncertainty about production timing and ramp trajectory.
Nuclear is one of the few sectors where I think the timeline actually matters more than the thesis. Almost everyone agrees the demand picture is strong. The disagreement is about when it shows up in earnings, and for which companies. That distinction is everything when you’re deciding where to put real money.
I keep coming back to how different the margin of safety is across these four names. Some of them generate serious cash flow today and the nuclear angle is just an added layer. Others are earlier in the story, where you’re paying for potential that hasn’t fully materialized yet. Both can work. But you need to know which one you own, because your holding period and your pain tolerance should look completely different depending on the answer.
The sector is real. I’m convinced of that. Just don’t let conviction about nuclear’s future trick you into being sloppy about which stock you use to express it.
