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3 British Nuclear Stocks With Earnings Growth Up To 15%

Simply Wall St·10/04/2026 19:17:29
語音播報

Energy prices have been pushed higher by renewed attacks on shipping and infrastructure in the Gulf, and that puts reliable baseload power back in the spotlight for the United Kingdom. When fuel markets look fragile, investors often look harder at long term electricity sources that are not linked to oil transit routes. This article picks out three nuclear focused UK stocks from our screener that aim to tap into that theme.

The three stocks featured next are a sample rather than the full picture, since the wider screen surfaced 6 more nuclear focused companies with equally compelling stories that are not covered below. To see everything in one place and sharpen your own shortlist, head straight to the Nuclear Energy Stocks screener to identify, analyze, and prioritize the highest conviction ideas in this theme.

Rolls-Royce Holdings (LSE:RR.)

Rolls-Royce Holdings shapes the nuclear theme from a different angle, supplying submarine nuclear propulsion within a much broader portfolio of civil aero engines, defence power systems, and mtu branded onsite generation that together support a business large enough to matter for this screener.

Rolls-Royce Holdings runs three main activities. Civil Aerospace brings in about £11.8b, Defence contributes roughly £5.0b, and Power Systems about £5.5b, with nuclear submarine power plants housed inside the Defence arm. The group is valued at roughly £122.6b.

For investors focused on nuclear energy, the interest in Rolls-Royce sits where submarine nuclear propulsion, defence demand, and long cycle power projects intersect.

"A significant portion of current narrative and valuation appears premised on Power Systems segment growth, particularly the data center power generation boom, continuing at near-peak rates (20%+ per year) as cloud and AI infrastructure expand. If the data center investment cycle were to decelerate from these extraordinary levels, revenue growth and margin gains could materially slow, which in turn could negatively affect future operating profit."

What happens to Rolls-Royce’s earnings profile will hinge on how one pressure point in its power and propulsion mix ultimately resolves.

That pressure point is exactly what the full narrative for Rolls-Royce Holdings unpacks, separating short term propulsion worries from longer term nuclear and power earnings drivers that could be getting overlooked.

LSE:RR. 1-Year Stock Price Chart
LSE:RR. 1-Year Stock Price Chart

National Atomic Company Kazatomprom JSC (LSE:KAP)

National Atomic Company Kazatomprom JSC is one of the world’s key uranium suppliers, with the uranium segment generating about KZT 1,697b of revenue versus KZT 90.7b at Ulba Metallurgical Plant and KZT 294.1b in Other activities, and a market value near US$17.1b.

Kazatomprom gives this nuclear screener direct exposure to uranium itself, not just reactor technology or fuel services, and that matters if you care where the fuel for long term baseload power actually comes from. The quote below captures why the underlying uranium demand story is so important for this business.

"Global structural undersupply of uranium driven by increasing nuclear build-outs, plant lifespan extensions, and a lag in bringing new projects online is supporting a multi-year demand upcycle, positioning Kazatomprom for sustained pricing power and higher sales volumes, which is positive for revenue and margin growth."

What happens if a single cost and funding pressure point in Kazatomprom’s uranium operations starts to squeeze those expected margin gains just as volumes ramp up?

If that squeeze risk is on your mind, read the full narrative for National Atomic Company Kazatomprom JSC to see how Kazatomprom could still harness this uranium upcycle with room for upside surprises.

LSE:KAP Earnings & Revenue Growth as at Oct 2026
LSE:KAP Earnings & Revenue Growth as at Oct 2026

Centrica (LSE:CNA)

Centrica is a broad-based energy group that supplies gas and electricity, runs services businesses, and generates power, including from nuclear assets. Most revenue comes from Retail at about £16.3b, with £6.0b from Optimisation and £1.6b from Infrastructure, on a roughly £6.8b market value.

Centrica’s role in nuclear power generation and trading gives you exposure to low carbon electricity, but the real draw is how that fits into a wider push toward regulated, long duration assets that can help smooth out a volatile energy market.

"Centrica's expanding investment in regulated, low-carbon generation assets (notably the Sizewell C nuclear project), combined with opportunities in potential nuclear life extensions and carbon storage (Morecambe Net Zero), is focused on capturing stable, long-duration, inflation-linked returns in the context of accelerating decarbonization policies, supporting more predictable revenue and potentially enhanced margins over time."

What happens to those potential long run margin gains if one key regulatory or project timing assumption in the nuclear build out shifts?

If that question feels front of mind, go straight to the full narrative for Centrica to see how Centrica’s regulated bets could accelerate or stall under different policy paths.

LSE:CNA Earnings & Revenue Growth as at Oct 2026
LSE:CNA Earnings & Revenue Growth as at Oct 2026

Seeking Alternatives Before The Crowd?

Fresh themes can gain momentum quickly. Breakout stories rarely stay under the radar for long before prices start flying or dropping. Scan these curated ideas while it matters and consider your options in a timely way.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.