Time-of-Use Schedule - TU
Town of Groton, Massachusetts (Utility Company) · Time-of-use · filed 2022
What this tariff charges
| Fixed charge | $6.25 per month |
|---|---|
| Structure | Time-of-use |
| Filed | 2022-11-01 |
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 | 0.11300 | 0.00000 | 0.11300 |
Period 1
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | no limit | 0.47300 | 0.00000 | 0.47300 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $1,287.87 | $0.2147 |
| 1000 | $2,500.74 | $0.2084 |
| 2000 | $4,926.49 | $0.2053 |
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 $765 a year on this tariff, paying back in 27 years. No federal tax credit is included: Section 25D ended on December 31, 2025.
no sell rate filed and this utility reports no residential net metering - exports credited at zero. Compare across this state →
The utility's own description
The time-of-use rate schedule is an optional rate schedule offered to residential customers. The tiered rate structure is based on the time of day that electricity is used. 11 p.m.-7 a.m. = $0.0481 7 a.m.� a.m. & 7 p.m.� p.m. = $0.0754 11 a.m.-7 p.m. = $0.0982 This charge may be adjusted periodically as described in the "Definitions" section of these rate schedules
URDB rate id 63bee83d52770034910f668e · utility source document · all Town of Groton, Massachusetts (Utility Company) tariffs