CEG Rises 62.3% in a Year: Should You Buy, Sell, or Hold the Stock?

Constellation Energy (CEG) shares have rallied 62.3% over the past year, significantly outperforming its industry, driven by strategic capital expenditures focused on nuclear fuel and leveraging its large, high-capacity nuclear fleet (94.8% in Q2 2025) to meet growing demand, particularly from data centers via "behind the meter" solutions. The company also projects declining O&M expenses and boasts a strong 21.61% Return on Equity, while actively returning capital through a $3 billion share repurchase program and planned 10% annual dividend increases. However, despite these operational strengths and shareholder initiatives, CEG's current premium valuation leads to a Zacks #3 (Hold) rating, suggesting new investors may seek a more favorable entry point.

Analysis

Constellation Energy (CEG) has demonstrated significant market outperformance, with its stock rallying 62.3% over the past year, surpassing the 53.9% growth of its industry peer group. This performance is underpinned by a robust operational strategy centered on its large nuclear fleet, which achieved a 94.8% capacity factor in Q2 2025. The company is strategically positioning itself to capitalize on the increasing power demands from data centers through a "behind the meter" approach, co-locating facilities directly with its nuclear plants to ensure reliable, carbon-free energy and bypass transmission constraints. This growth initiative is supported by substantial planned capital expenditures of nearly $3 billion in 2025 and $3.5 billion in 2026, with approximately 35% allocated to acquiring nuclear fuel. Operationally, CEG is focused on cost discipline, evidenced by a 1.7% year-over-year reduction in O&M expenses in Q2 2025 and an expectation for further declines. The company's financial health is strong, boasting a return on equity of 21.61%, well above the 8% industry average, and a consistent history of positive earnings surprises. However, this operational success is reflected in a premium valuation on a forward P/E basis, and earnings estimates for 2025 project a marginal 0.42% decrease before returning to growth in 2026.

Key Decisions for Investors

• Existing investors may consider holding their positions in CEG to benefit from its strong operational execution, strategic alignment with data center growth, and shareholder-friendly capital return programs, including a planned 10% annual dividend increase.
• Potential new investors should exercise caution due to the stock's premium valuation relative to its industry and consider waiting for a more attractive entry point, as suggested by the article's Zacks #3 (Hold) rating.
• Monitor the company's progress on its data center co-location projects and its ability to maintain high fleet capacity factors and control O&M expenses, as these are critical drivers justifying its current valuation.
• Investors should benchmark CEG's forward P/E and growth trajectory against nuclear-focused peers like Duke Energy (DUK) and Southern Company (SO) to assess relative value within the sector.