Duke Energy Corporation (DUK) Stock Analysis & Winston Score
Duke Energy is one of the largest electric and natural gas utility companies in the United States. It generates electricity using a mix of natural gas, nuclear, coal, and renewable energy sources like wind and solar, then delivers that power through its network of power lines and pipes. The company serves roughly 8 million electric customers and 1.6 million gas customers, mostly households and businesses across the Southeast and Midwest. Duke makes money by charging customers for electricity and gas delivery, with rates set and approved by state regulators — meaning it cannot simply raise prices on its own. It operates primarily in North Carolina, South Carolina, Florida, Indiana, Ohio, and Kentucky, and its regulated structure gives it stable, predictable revenue that most companies do not have. The key growth driver is rising electricity demand from data centers and electric vehicles, though its main risk is the high cost of upgrading aging infrastructure while keeping customer bills affordable under regulatory oversight.
Winston Score: 49/100 — Average
Mixed quality — meaningful strengths and weaknesses.
- Quality: Good (17/30)
- Growth: Good (13/20)
- Cash Flow: Good (6/10)
- Stability: Mixed (4/10)
- Valuation: Good (6/10)
- Ownership: Weak (1/15)
Key Facts
Price: $125.01
Market Cap: $97.5B
Sector: Utilities
Industry: Regulated Electric


