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Duke Energy Corporation (DUK) is an utilities company in the US local power providers industry, based in Charlotte, United States, with about 26,441 full-time employees.
Its largest business segment, Electric Utilities and Infrastructure, brought in 90% of segment revenue in fiscal year 2025. Its market capitalization was $90.95 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
Duke Energy Corporation, through its subsidiaries, operates as an energy company in the United States. The company operates through two segments: Electric Utilities and Infrastructure (EU&I); and Gas Utilities and Infrastructure (GU&I).
Electric Utilities and Infrastructure, with $29.36 billion or 90% of segment revenue in fiscal year 2025. Next: Gas Utilities and Infrastructure (9%) and Other (1%).
$90.95 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (US local power providers) include NextEra Energy, Inc. (NEE), The Southern Company (SO), National Grid plc (NGG), Dominion Energy, Inc. (D).