Southwestern Public Service Co · Flat rate

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

RS (Residential Service) from Southwestern Public Service Co is a flat-rate plan: every kWh costs the same ($0.11/kWh) regardless of time of day or total usage.

Highest rate

13¢/kWh

Lowest rate

11¢/kWh

Fixed charge

$9.80/mo

Flat rate

$0.11/kWh

Frequently asked questions

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

RS (Residential Service) from Southwestern Public Service Co is a flat-rate plan: every kWh costs the same ($0.11/kWh) regardless of time of day or total usage.

Who offers RS (Residential Service)? +

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

About this data

Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (6397eb78f2b1931b150cd57e). Representative — verify exact prices on your Southwestern Public Service Co bill or tariff sheet.

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

Other Southwestern Public Service Co plans

Residential Heating Service

Flat rate

Residential Service - Alternative Experimental TOU

12 p.m.–6 p.m.

Residential Service - Alternative TOU

12 p.m.–6 p.m.

Are you on the cheapest Southwestern Public Service Co plan?

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

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