Constellation Energy: a smart play on the AI energy race
Baltimore-based Constellation Energy, a $90 billion company, generates electricity on a vast scale. And AI’s voracious appetite means that electricity is now becoming a very valuable commodity, and the companies that can generate it reliably, cleanly and at scale will see a lot more attention than they’re currently getting.
Investors have re-priced entire industries, assuming AI will transform the global economy. Electricity gets less attention, yet the chips, AI models and data centres are all useless without power. Vast data centres consume enormous quantities of power to train and run increasingly powerful models. Electric vehicles, battery factories, semiconductor plants, air-conditioning systems, industrial re-shoring and electrification more generally are all pulling in the same direction.
Tap into the great electrification with Constellation Energy
Constellation Energy (Nasdaq: CEG) owns the largest fleet of nuclear reactors in the US and has more nuclear power stations than anyone else at a time when hyperscalers are searching for reliable and cost-efficient power. Investors increasingly view Constellation less as a utility and more as the owner of scarce infrastructure – an essential asset – which explains its appeal as a long-term growth stock.
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Constellation Energy currently generates about 10% of US clean energy. It produces enough electricity to power about 27 million US homes. It is the largest nuclear-energy company in the country and its power stations sit alongside a fleet of gas, hydro, wind, solar, geothermal and oil-fired assets. These produce 55 gigawatts (GW) of capacity.
To put that into perspective, the UK’s recent winter peak demand for electricity was typically around 60GW, according to the National Energy System Operator. Constellation has 2.5 million customer accounts across the US and counts 80 of the country’s 100 biggest firms by revenue among them.
Results in May showed first-quarter sales up 64% from $6.8 billion to $11.1 billion year-on-year. While impressive, roughly $2 billion-$3 billion of that reflected the acquisition of Calpine, a largely gas and geothermal power generator. Constellation Energy generated roughly $25 billion of revenue over 2025 as a whole. Earnings per share were $2.74 in the quarter, up 28% over the year and beating analysts’ estimates by 14 cents.
The firm’s nuclear fleet achieved an excellent 92.3% capacity factor, meaning its reactors were producing electricity at close to their maximum potential for almost the entire period. Management isn’t seeing any slowdown in demand from the hyperscalers, with projected spending levels continuing to rise to reflect the growing need for computer processing.
Management has reaffirmed its expectation of 2026 earnings per share of around $11, up from $9.39 and $8.67 in 2025 and 2024 respectively. It’s targeting 20%-plus annual earnings per share through to 2029 led by higher prices and rising demand, including improved long-term contracts.
Analysts have $13.50 pencilled in for 2027. Their 12-month share-price target is $362, about a third higher than now. Of course, in a world hungry for electricity, existing generation capacity may prove considerably more valuable than investors currently assume.
Don’t chase the chips
The curious thing is that investors can currently buy a company expected to grow earnings by more than 20% annually at a valuation broadly in line with the wider market. Usually, investors are asked to pay a substantial premium for that combination of growth and strategic importance. The market’s comfortable paying premium valuations for businesses that consume computing power. But it’s a lot less interested in businesses that sell the vast amounts of electricity that makes such computing possible now and in the future. Look beyond that “utility” label and there is an opportunity to be had.
The immediate objection is that electricity is hardly scarce. If demand goes up, the power generators can build more capacity. But new power stations need planning permission, endless environmental reviews, financing, engineering expertise, political support and years of construction. And then transmission networks need upgrading.
This is where Constellation Energy’s nuclear fleet becomes particularly interesting. Investors spend a great deal of time discussing technological moats. Yet there may be few barriers to entry that are more formidable than a collection of fully operating nuclear reactors. The market’s growing interest in Constellation Energy reflects a simple reality: it already owns large-scale electricity infrastructure that is built, connected and delivering cleanly at scale. Building more is possible, but doing so quickly is another matter.
Nobody can yet say with certainty which company will dominate AI. What already seems clear, however, is that the modern economy wants far more electricity. Investors have spent the first phase of the AI boom chasing the chips. The second phase may belong to those pumping the power. Investors may find it easier to back the latter than gamble on the eventual winners of the AI race.
This article was first published in MoneyWeek’s magazine. Enjoy exclusive early access to news, opinion and analysis from our team of financial experts with a MoneyWeek subscription.
