Southwestern Public Service Co (Texas) · Flat rate

What does Southwestern Public Service Co (Texas) Residential Service cost per kWh?

Residential Service from Southwestern Public Service Co (Texas) is a flat-rate plan: every kWh costs the same ($0.12/kWh) regardless of time of day or total usage.

Highest rate

13¢/kWh

Lowest rate

12¢/kWh

Fixed charge

$11.40/mo

Usage tiers

Tier	Up to	$/kWh
Tier 1	899 kWh	$0.12
Tier 2	no limit	$0.08

Flat rate

$0.12/kWh

Frequently asked questions

What does Southwestern Public Service Co (Texas) Residential Service cost per kWh? +

Residential Service from Southwestern Public Service Co (Texas) is a flat-rate plan: every kWh costs the same ($0.12/kWh) regardless of time of day or total usage.

Who offers Residential Service? +

Residential Service is a residential electricity plan from Southwestern Public Service Co (Texas) (Southwestern Public Service Co (Texas)).

About this data

Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (6451718f42968eec9a07510a). Representative — verify exact prices on your Southwestern Public Service Co (Texas) bill or tariff sheet.

This plan as JSON Browse the rate database → License: CC BY 4.0

Other Southwestern Public Service Co (Texas) plans

Residential Service - Alternate Experiemential Time of Use

1 p.m.–7 p.m.

Residential Service with Electric Space Heating

Flat rate

Are you on the cheapest Southwestern Public Service Co (Texas) plan?

Ask the free Energy Advisor about Residential Service, or upload a bill right here to check your real usage against every Southwestern Public Service Co (Texas) plan.

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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.