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