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Oncor

Oncor Electric Delivery Company LLC

TX · electric

Current parent: Sempra
Open cases: 0
Updated: Jul 20, 2026

Current economics

Rate base: $26.45B
Authorized ROE: 9.75%
Authorized common-equity ratio: 43.5%

Oversight and service

TX Public Utility Commission of Texaselectric

Proceedings

View all utility cases →

Oncor 2025 base-rate case

58306 · Opened Jun 26, 2025

Closed

complete

Oncor Electric Delivery 2022 base-rate case

53601 · Opened May 13, 2022

Closed

complete

Regulatory history

Effective date	Proceeding	ROE	Common equity	Rate base
Apr 17, 2026	Oncor 2025 base-rate case 58306 · Historical test year ended December 31, 2024 · Electric Compare stages ROE Authorized 9.75% → Utility request —	9.75% Authorized · Apr 17, 2026	43.5% Authorized · Apr 17, 2026	$26.45B Authorized · Apr 17, 2026
Jun 30, 2023	Oncor Electric Delivery 2022 base-rate case 53601 · Electric Compare stages ROE Utility request 10.3% → Authorized 9.7%	9.7% Authorized · Jun 30, 2023	45% Utility request · May 13, 2022	—

View full observation log (10)

Metric	Date	Stage	Value	Scope
Annual revenue change	May 13, 2022	utility request	$251M/year	Prior authorized observation
Common equity ratio	May 13, 2022	utility request	45%	Prior authorized observation
Return on equity	Jun 30, 2023	authorized	9.7%	Prior authorized observation
Return on equity	May 13, 2022	utility request	10.3%	Prior authorized observation
Common equity ratio	Apr 17, 2026	authorized	43.5%	Authorized common-equity share of Oncor's regulatory capital structure.
Rate base	Apr 17, 2026	authorized	$26.45B	Oncor and Oncor NTU invested capital placed into service through the December 31, 2024 test-year end and properly included in rate base.
Annual revenue change	Apr 17, 2026	authorized	$560M/year	Net annual base-rate revenue increase after the $5 million lighting-class credit.
Annual revenue change	Jun 26, 2025	utility request	$833.6M/year	Requested overall annual revenue increase, including distribution and transmission service.
Return on equity	Apr 17, 2026	authorized	9.75%	Authorized return on common equity for Oncor proceedings and filings requiring the capital inputs approved in Docket 58306.
Return on equity	Apr 17, 2026	utility request	—	Total company rate-case request or Commission-authorized outcome