Constellation Energy

Sources of advantage and durability: 1) Efficient scale and entry barriers: Operating and licensing a large U.S. nuclear fleet at 94 to 95 percent capacity factors over many years is difficult to replicate, requiring technical expertise, regulatory credibility and significant capital. 2024 fleet capacity factor was 94.6 percent.

This confers durable advantage in markets that increasingly prize firm, clean power. Weight 35 percent, score 90. 2) Cost position and reliability: Nuclear’s low variable cost and high availability create a structural cost edge for serving 24x7 clean load; IRA nuclear PTC through 2032 further supports economics.

Weight 30 percent, score 85. 3) Customer captivity via long-term contracts and retail reach: Constellation’s enterprise-facing platform and new 20‑year PPAs with Microsoft and Meta increase switching costs and create embedded growth optionality.

Weight 15 percent, score 80. 4) Intangible assets: proven operating track record, safety culture, and regulatory relationships; plus brand credibility with Fortune 100 buyers. Weight 15 percent, score 75. 5) Network effects: limited at the asset level, though product completeness improves with Calpine’s flexible fleet and broader retail footprint.

Weight 5 percent, score 45. Weighted outcome aligns with a multi‑moat profile strengthened by data center demand and the pending Calpine combination. Risks to durability include policy changes post‑2032, unforeseen nuclear events, and disruptive storage or alternative firm low‑carbon technologies.