Residential Service Time-of-Use
United Illuminating Co · Time-of-use · filed 2026
What this tariff charges
| Fixed charge | $13.02 per month |
|---|---|
| Structure | Time-of-use |
| Filed | 2026-01-01 |
Energy rates
The charged price is the base rate plus its adjustment. Adjustments carry fuel and rider costs and are frequently most of the bill, so a comparison built on the base rate alone is meaningless.
Period 0
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | no limit | 0.24609 | -0.00216 | 0.24393 |
Period 1
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | no limit | 0.49357 | -0.00216 | 0.49141 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $2,057.99 | $0.3430 |
| 1000 | $3,959.74 | $0.3300 |
| 2000 | $7,763.23 | $0.3235 |
Effective rate includes the fixed charge, which is why it falls as usage rises. This is a time-of-use tariff, so the result also depends on when power is used; an average residential pattern is assumed. Details →
Rooftop solar on this tariff
A 7 kW system costing $21,000 before incentives would save between $1,486 and $2,735 a year on this tariff, paying back in 8–14 years . No federal tax credit is included: Section 25D ended on December 31, 2025.
no sell rate filed, but this utility reports residential net metering - the range spans no export credit to full retail netting. Compare across this state →
URDB rate id 69af148be15fe96c780a955b · utility source document · all United Illuminating Co tariffs