What are United Illuminating Co Residential Service Time-of-Use peak hours and rates?
Residential Service Time-of-Use from United Illuminating Co is a time-of-use plan: electricity costs the most during peak hours (12 p.m.–8 p.m.) at about $0.19/kWh and the least off-peak at about $0.08/kWh. Shifting heavy usage out of the peak window lowers the bill.
Peak window
12 p.m.–8 p.m.
Peak price
19¢/kWh
Off-peak price
8¢/kWh
Fixed charge
$12.84/mo
The Residential Service 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 | 12 p.m.–8 p.m. | $0.19 |
| Mid-Peak | 8 p.m.–12 p.m. | $0.08 |
Summer
Jun–Sep
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 12 p.m.–8 p.m. | $0.19 |
| Mid-Peak | 8 p.m.–12 p.m. | $0.08 |
Frequently asked questions
What are United Illuminating Co Residential Service Time-of-Use peak hours and rates? +
Residential Service Time-of-Use from United Illuminating Co is a time-of-use plan: electricity costs the most during peak hours (12 p.m.–8 p.m.) at about $0.19/kWh and the least off-peak at about $0.08/kWh. Shifting heavy usage out of the peak window lowers the bill.
When is the cheapest time to use electricity on Residential Service Time-of-Use? +
The cheapest electricity on United Illuminating Co Residential Service Time-of-Use is during off-peak hours (8 p.m.–12 p.m.), at about 8¢/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 Time-of-Use? +
Peak power costs about 19¢/kWh versus 8¢/kWh off-peak — a difference of about 11¢/kWh. Running a 5 kWh load (a load of laundry plus dishwasher) off-peak instead of at peak saves roughly $0.55.
Who offers Residential Service Time-of-Use? +
Residential Service Time-of-Use is a residential electricity plan from United Illuminating Co (United Illuminating Co).
About this data
Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (6399224dd210060d6901d1bd). Representative — verify exact prices on your United Illuminating Co bill or tariff sheet.
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.