RESIDENTIAL RATE SCHEDULE - R1
Town of Groton, Massachusetts (Utility Company) · Tiered · filed 2022
What this tariff charges
| Fixed charge | $6.25 per month |
|---|---|
| Structure | Tiered |
| 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.
Energy charge
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 500.0 kWh | 0.16500 | 0.00000 | 0.16500 |
| 2 | no limit | 0.17700 | 0.00000 | 0.17700 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $1,065.00 | $0.1775 |
| 1000 | $2,127.00 | $0.1772 |
| 2000 | $4,251.00 | $0.1771 |
Effective rate includes the fixed charge, which is why it falls as usage rises.
Rooftop solar on this tariff
A 7 kW system costing $21,000 before incentives would save $888 a year on this tariff, paying back in 24 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
**Total Energy Charge per kWh = Transmission + Distribution + Generation (subject to TCA)
URDB rate id 63bee7d44cb53f37f80f04dc · utility source document · all Town of Groton, Massachusetts (Utility Company) tariffs