Duke Energy is the largest electric utility in the United States by customer count, serving 8.4 million retail customers across six states (North Carolina, South Carolina, Florida, Indiana, Ohio, Kentucky) through 54,800 MW of owned electric generation capacity. The company operates a diversified generation portfolio including nuclear (11 reactors, ~11,000 MW), natural gas (~24,000 MW), coal (~10,000 MW), and renewables (~8,000 MW), with regulated rate base of approximately $90 billion providing stable cash flows through cost-of-service regulatory frameworks.
UtilitiesRegulated Electric Utilitieslow - Regulated utility model features high fixed costs (depreciation, financing, O&M) representing ~75% of total costs, but revenue stability through regulatory mechanisms limits operating leverage. Rate base growth of 5-6% annually drives earnings growth with minimal volume sensitivity due to decoupling mechanisms in most jurisdictions.