Constellation Energy vs. Vistra: Who Leads the AI Power Revenue Race?

Key Points Constellation Energy shows steadier, stronger revenue growth with consistent year-over-year gains, whereas Vistra's growth is slower and choppier. The dominant trend in recent quarters reveals that both companies have navigated significant volatility, but Constellation's revenue base is larger. Can the revenue gap between the two nuclear and natural gas heavyweights narrow? Keep an eye out. 10 stocks we like better than Constellation Energy › Constellation Energy: Maintaining Steady Upward Momentum in Revenue Constellation Energy (NASDAQ:CEG) primarily generates revenue by producing and distributing electricity across multiple geographical markets in the U.S., managing a large portfolio of generation assets that includes nuclear, wind, and solar facilities to serve utility distributors, commercial enterprises, and everyday household consumers. It recently filed regulatory applications to extend the operational life of multiple energy plants and continues to secure long-term power purchase agreements. It reported a net margin of 7% in the quarter ended June 30, 2026. Vistra: Navigating Recent Year-Over-Year Declines in Revenue Vistra (NYSE:VST) earns its revenue through a combination of retail electricity supply operations and extensive power generation activities, managing a large fleet of natural gas, nuclear, and battery storage facilities to deliver electricity to residential, commercial, and industrial clients across multiple states. While launching a joint entity to finance digital infrastructure projects and running community energy assistance programs, it reported an operating margin of around 14% for the quarter ended June 30, 2026. Why Revenue Trends Matter for Individual Investors Revenue here refers to the data provider's standardized income-statement revenue line item, and it serves as an essential baseline metric for everyday investors because it reveals the absolute scale of capital flowing into the business prior to any expenses being deducted. Quarterly Revenue for Constellation Energy and Vistra Quarter (Period End) Constellation Energy Revenue Vistra Revenue Q3 2024 (Sept. 2024) $6.5 billion $5.5 billion Q4 2024 (Dec. 2024) $5.4 billion $7.4 billion Q1 2025 (March 2025) $6.8 billion $5.2 billion Q2 2025 (June 2025) $6.1 billion $4.3 billion Q3 2025 (Sept. 2025) $7.2 billion $5.0 billion Q4 2025 (Dec. 2025) $5.5 billion $2.3 billion Q1 2026 (March 2026) $11.1 billion $4.7 billion Q2 2026 (June 2026) $7.5 billion $4.0 billion Data source: Company filings. Data as of Aug. 12, 2026. Foolish Take The demand for nuclear energy is on the rise amid the artificial intelligence (AI) data center boom. Constellation Energy and Vistra are the two biggest players in U.S. nuclear power, and both are interestingly running the same playbook right now: leaning on nuclear as the crown-jewel asset for the AI data center build-out, while simultaneously bulking up on natural gas to add flexible capacity faster than new nuclear could ever be built. So while Constellation Energy acquired Calpine in early 2026, Vistra is all set to acquire gas plants from Cogentrix Energy. The Calpine deal explains the big recent jump in Constellation's quarterly revenues. Vistra's revenue, meanwhile, is lumpy as it uses energy derivatives to hedge power prices and books gains and losses on commodity price fluctuations, as the case may be. Both companies have a large exposure to major wholesale power markets, such as the Electric Reliability Council of Texas (ERCOT) and PJM. Power prices in such markets are driven by supply and demand and therefore offer greater upside potential for the two companies than for traditional utilities. Constellation is the larger, faster-growing energy company integrating a massive acquisition, while Vistra is the smaller but more capital-return-focused of the two, targeting at least $1 billion in annual share repurchases. Should you buy stock in Constellation Energy right now? Before you buy stock in Constellation Energy, consider this: The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Constellation Energy wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years. Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $432,621 !* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,335,314 !* Now, it’s worth noting Stock Advisor’s total average return is 973 % — a market-crushing outperformance compared to 213% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor , and join an investing community built by individual investors for individual investors. See the 10 stocks » *Stock Advisor returns as of August 21, 2026. Neha Chamaria has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Constellation Energy and Vistra. The Motley Fool has a disclosure policy .

Constellation Energy shows steadier, stronger revenue growth with consistent year-over-year gains, whereas Vistra's growth is slower and choppier.

The dominant trend in recent quarters reveals that both companies have navigated significant volatility, but Constellation's revenue base is larger.

Can the revenue gap between the two nuclear and natural gas heavyweights narrow? Keep an eye out.

Constellation Energy (NASDAQ:CEG) primarily generates revenue by producing and distributing electricity across multiple geographical markets in the U.S., managing a large portfolio of generation assets that includes nuclear, wind, and solar facilities to serve utility distributors, commercial enterprises, and everyday household consumers.

It recently filed regulatory applications to extend the operational life of multiple energy plants and continues to secure long-term power purchase agreements. It reported a net margin of 7% in the quarter ended June 30, 2026.

Vistra (NYSE:VST) earns its revenue through a combination of retail electricity supply operations and extensive power generation activities, managing a large fleet of natural gas, nuclear, and battery storage facilities to deliver electricity to residential, commercial, and industrial clients across multiple states.

While launching a joint entity to finance digital infrastructure projects and running community energy assistance programs, it reported an operating margin of around 14% for the quarter ended June 30, 2026.