A Residential Standard Offer Service
Central Maine Power Co · Tiered · filed 2026
What this tariff charges
| Fixed charge | $30.21 per month |
|---|---|
| Minimum charge | $30.21 per month |
| Structure | Tiered |
| 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.
Energy charge
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 50.0 kWh | 0.00000 | 0.00000 | 0.00000 |
| 2 | no limit | 0.13647 | 0.00000 | 0.13647 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $1,099.48 | $0.1832 |
| 1000 | $1,918.32 | $0.1599 |
| 2000 | $3,556.01 | $0.1482 |
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 between $687 and $1,210 a year on this tariff, paying back in 17–31 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 →
The utility's own description
AVAILABILITY This rate is available for Residential Service taken on a continuous year-round basis at one point of delivery. Service may be taken for a shorter period subject to the provisions of the short-term service charge. CHARACTER OF SERVICE End use service will be single phase, alternating current, 60 hertz, furnished at one standard secondary distribution voltage as described in the Company's Handbook of Requirements for Electric Service and Meter Installations.
URDB rate id 6993c84caf24f32cad0c1778 · utility source document · all Central Maine Power Co tariffs