Residential Apartments-Master Meter-Schedule MMA
Potomac Electric Power Co · Time-of-use + tiered · filed 2025
What this tariff charges
| Fixed charge | $2.01 per month |
|---|---|
| Structure | Time-of-use + tiered |
| Filed | 2025-08-01 |
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 | 30.0 kWh | 0.05618 | 0.01713 | 0.07331 |
| 2 | no limit | 0.16427 | 0.01713 | 0.18140 |
Period 1
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 30.0 kWh | 0.05618 | 0.01713 | 0.07331 |
| 2 | no limit | 0.17382 | 0.01713 | 0.19095 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $1,105.03 | $0.1842 |
| 1000 | $2,226.85 | $0.1856 |
| 2000 | $4,470.50 | $0.1863 |
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 $960 and $1,818 a year on this tariff, paying back in 12–22 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
Minimum charge includes the first 30 kWh or fraction thereof of consumption.
URDB rate id 68b3a20daa9285ab440c5b1c · utility source document · all Potomac Electric Power Co tariffs