Duke Energy Ohio

Effective date	Proceeding	ROE	Common equity	Rate base
Current	Current electric profile Electric · Latest supported values	9.5% Authorized · Feb 10, 2026	50.5% Authorized · Feb 10, 2026	$2B Disclosed actual · Feb 10, 2026
Current	Current natural-gas profile Natural gas · Latest supported values	9.6% Authorized · Dec 31, 2025	52.32% Authorized · Dec 31, 2025	—
Mar 30, 2026	Duke Energy Ohio 2026 electric distribution rate case 26-132-EL-AIR · Electric	10.5% Utility request · Mar 30, 2026	52.66% Utility request · Mar 30, 2026	—

View full observation log (8)

Metric	Date	Stage	Value	Scope
Common equity ratio	Dec 31, 2025	authorized	52.32%	Duke Energy Ohio natural-gas base distribution authorized equity component.
Return on equity	Dec 31, 2025	authorized	9.6%	Duke Energy Ohio natural-gas base distribution rates approved in the 2022 gas rate case.
Common equity ratio	Mar 30, 2026	utility request	52.66%	Requested ratemaking capital structure common-equity layer.
Annual revenue change	Mar 30, 2026	utility request	$90M/year	Requested annualized electric distribution base-rate increase.
Return on equity	Mar 30, 2026	utility request	10.5%	Requested common-equity return for the electric distribution case.
Common equity ratio	Feb 10, 2026	authorized	50.5%	Allowed equity layer for Ohio retail electric service.
Rate base	Feb 10, 2026	disclosed actual	$2B	Ohio state-jurisdictional retail electric distribution rate base; excludes separately reported wholesale transmission rate base.
Return on equity	Feb 10, 2026	authorized	9.5%	Allowed return on equity for Ohio retail electric distribution service.