DUK · 8-K · 20261105PR000048

Income Tax Rate Changes

Duke Energy CORP · 2026-11-05 · Importance 44 · Surprise 46

The consolidated reported effective tax rate increased to 15.3% in the third quarter of 2026 from 10.8% a year earlier. Reported income tax expense rose to $299 million from $176 million, while pretax income increased to $1,949 million from $1,630 million. The company attributed the higher reported and adjusted tax rates primarily to decreased amortization of excess deferred income taxes.

Key facts

• Duke Energy's consolidated reported effective tax rate was 15.3% in third-quarter 2026, compared with 10.8% in third-quarter 2025. source
• Duke Energy's consolidated adjusted effective tax rate was 15.5% in third-quarter 2026, compared with 10.8% in third-quarter 2025. source
• Duke Energy's reported effective tax rate increase was primarily due to a decrease in amortization of excess deferred income taxes. source
• Duke Energy's adjusted effective tax rate increase was primarily due to a decrease in amortization of excess deferred income taxes. source