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Public Service Company of Oklahoma rate increase

Electric · Oklahoma · Investor-owned utility · part of American Electric Power

Settlement pending

Last checked

Public Service Company of Oklahoma has a pending increase of about +$11.00/month for a typical 1,100 kWh home, if regulators approve the settlement.

Details and sources · Estimate for your home

Rate changes, newest first

2026 base rate case (Oklahoma)

Base rate case · Electric

Settlement pending

Typical residential bill (1,100 kWh/month)

  • +$11.00/mostarting July 1, 2026Interim rates, subject to refund, per PSO. As filed, PSO put the increase at about $25/month (15%) at 1,100 kWh; the AG says the settlement would mean about $2.45/month for the average home.

Proposed amounts; regulators may change them.

Filed
January 2026
Decision expected
2026
Requested effective
July 1, 2026
Requested increase
$299 million
Approved increase
Pending
Docket
PUD 2025-000075

PSO asked the OCC for a $299M annual base rate increase (net of rider revenue) at a 10.5% ROE, about +$25/month at 1,100 kWh. A June 2026 non-unanimous settlement with OCC staff and the Attorney General would allow $73M at a 9.375% ROE, about +$2.45/month for the average home per the AG. Interim rates of about +$11/month began July 1, 2026, subject to refund.

Utility's stated reasons

  • grid upgrades already in service, such as poles and undergrounding
  • expanded transmission cost rider and new vegetation management rider
  • requested 10.5% return on equity
Sources (7) · Verified against regulator or utility filings

Last verified Oct 19, 2026

2024 base rate case (Oklahoma), final order January 2025

Base rate case · Electric

In effect

Typical residential bill (1,100 kWh/month)

  • +$12.00/mostarting October 23, 2024Interim rates from Oct. 23, 2024, made permanent by the January 2025 order. A separate fuel cost reduction of about $16.93/month in November 2024 offset it.
Filed
January 2024
Decided
January 2025
Effective
October 23, 2024
Requested increase
$217.6 million
Approved increase
$119.5 million
Docket
PUD 2023-000086

PSO sought $217.6M at a 10.8% ROE. An October 2024 settlement with OCC staff and others cut it to about $119.5M at a 9.5% ROE; it took effect as interim rates on Oct. 23, 2024 (about +$12/month at 1,100 kWh) and the OCC approved it unchanged in January 2025. A state lawmaker appealed the order on procedural grounds, not the rates.

Utility's stated reasons

  • Rock Falls Wind Facility added to base rates
  • costs to meet SPP's higher capacity reserve margin (deferred)
  • requested 10.8% return on equity
Sources (3) · Verified against regulator or utility filings

Last verified Oct 19, 2026

Most recent base rate case

Decided January 2025 · Docket PUD 2023-000086

The OCC approved, without modification, a settlement raising PSO's base rates by about $120M a year at a 9.5% ROE, with rates under Order 746624 effective January 30, 2025.

What it could mean for your bill

Sources state the impact for one typical home. Enter your own usage or bill for a rough estimate.

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Who decides

Utility website: www.psoklahoma.com

Related

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Last checked Oct 19, 2026. Spotted something out of date? Tell us.