Energy Advisor
Southwestern Public Service Co (Texas) · Time-of-Use

What are Southwestern Public Service Co (Texas) Residential Service - Alternate Experiemential Time of Use peak hours and rates?

Residential Service - Alternate Experiemential Time of Use from Southwestern Public Service Co (Texas) is a time-of-use plan: electricity costs the most during peak hours (1 p.m.–7 p.m.) at about $0.19/kWh and the least off-peak at about $0.10/kWh. Shifting heavy usage out of the peak window lowers the bill.

Peak window

1 p.m.–7 p.m.

Peak price

19¢/kWh

Off-peak price

10¢/kWh

Fixed charge

$11.40/mo

The Residential Service - Alternate Experiemential Time of Use day, hour by hour

Hover any hour for its exact price. Toggle season and day type.

12 AM6 AMnoon6 PM11 PM
Peak Mid-Peak

Winter

Jan–May, Oct–Dec

Period Hours $/kWh
Peak all day $0.10

Summer

Jun–Sep

Period Hours $/kWh
Peak 1 p.m.–7 p.m. $0.19
Mid-Peak 7 p.m.–1 p.m. $0.10

Frequently asked questions

What are Southwestern Public Service Co (Texas) Residential Service - Alternate Experiemential Time of Use peak hours and rates? +

Residential Service - Alternate Experiemential Time of Use from Southwestern Public Service Co (Texas) is a time-of-use plan: electricity costs the most during peak hours (1 p.m.–7 p.m.) at about $0.19/kWh and the least off-peak at about $0.10/kWh. Shifting heavy usage out of the peak window lowers the bill.

When is the cheapest time to use electricity on Residential Service - Alternate Experiemential Time of Use? +

The cheapest electricity on Southwestern Public Service Co (Texas) Residential Service - Alternate Experiemential Time of Use is during off-peak hours (all day), at about 10¢/kWh. Shift EV charging, laundry, dishwashing, and pre-cooling into these hours to pay the least.

How much more is peak vs off-peak on Residential Service - Alternate Experiemential Time of Use? +

Peak power costs about 19¢/kWh versus 10¢/kWh off-peak — a difference of about 9¢/kWh. Running a 5 kWh load (a load of laundry plus dishwasher) off-peak instead of at peak saves roughly $0.45.

Who offers Residential Service - Alternate Experiemential Time of Use? +

Residential Service - Alternate Experiemential Time of Use 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 (6451735f689267fc3e0c2218). Representative — verify exact prices on your Southwestern Public Service Co (Texas) bill or tariff sheet.

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

Ask the free Energy Advisor about Residential Service - Alternate Experiemential Time of Use, 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.