Southwestern Electric Power Co bill decoder
Southwestern Electric Power sells under this tariff at 12.50¢ per kWh all-in, -0.07¢ against the Louisiana average of 12.57¢. The $9.42 fixed charge is 8% of the bill.
Southwestern Electric Power at 1,000 kWh, line by line
Southwestern Electric Power bills $9.42 a month, 8% of the $124.96 total at 1,000 kWh. Southwestern Electric Power tiers its energy: the first 600 kWh cost 10.691¢, then 9.543¢ above 600 kWh (-11%), so 400 of 1,000 kWh pay the top rate.
Southwestern Electric Power: what the tariff charges
| Line | Charged | Amount |
|---|---|---|
| Customer charge | Fixed, once a month | $9.42 |
| Energy, Nov to Apr, tier 1 | First 600 kWh | 10.691¢ per kWh |
| Energy, Nov to Apr, tier 2 | Over 600 kWh | 9.543¢ per kWh |
| Energy, May to Oct | Every kWh | 12.876¢ per kWh |
Southwestern Electric Power at 500, 1,000 and 2,000 kWh
| kWh | Total | ¢/kWh | Fixed | Energy | LA avg |
|---|---|---|---|---|---|
| 500 | $68.34 | 13.67 | $9.42 | $58.92 | $62.85 |
| 1,000 | $124.96 | 12.50 | $9.42 | $115.54 | $125.70 |
| 1,079 (average home) | $133.81 | 12.40 | $9.42 | $124.39 | $135.63 |
| 2,000 | $237.05 | 11.85 | $9.42 | $227.63 | $251.40 |
How the Southwestern Electric Power total climbs
$38.88 at 250 kWh becomes $349.15 at 3,000 kWh, 9.0 times the bill for 12 times the power.
Southwestern Electric Power total in dollars, by kWh
- 39250
- 68500
- 97750
- 1251,000
- 1811,500
- 2372,000
- 3493,000
Check your Southwestern Electric Power bill
Southwestern Electric Power: tariff against EIA
EIA-861 puts the 2024 home price at 13.46¢ for Southwestern Electric Power, across 207,011 home accounts using 1,079 kWh a month. The tariff gives 12.40¢ ($133.79). The +1.06¢ gap, about $11.41 a month, is riders, other plans and rate changes.
Other Southwestern Electric Power residential plans
1 more Southwestern Electric Power plan fit the model; the decoder prices it.
| Plan | Since | Type | 1,000 kWh | Fixed |
|---|---|---|---|---|
| RS - Residential Service | 2025-08-27 | tiered | $113.14 | $7.43 |
Southwestern Electric Power: sources and limits
- Tariff: Residential Service, effective 2025-10-30, record 693b2da4d87fdf00a50bc26b, updated 2025-12-11; decode_tariffs.csv.
- Tariff sheet cited by the record: https://www.swepco.com/lib/docs/ratesandtariffs/Texas/TexasRatesChargesandFees10-31-25.pdf.
- Data: OpenEI URDB, EIA-861, EIA state data.
Southwestern Electric Power: taxes, riders and adjustments sit outside these rates.
Keep going
Questions
How much does Southwestern Electric Power bill at zero kWh?
The fixed part alone: $9.42 a month. It is 14% of the $68.34 that 500 kWh costs.
What does Southwestern Electric Power charge for 1,000 kWh?
The tariff gives $124.96 (12.50¢ a kWh): energy $115.54, fixed $9.42. Add taxes and riders.
What makes a Southwestern Electric Power bill run higher than the tariff?
At 1,079 kWh the tariff gives 12.40¢ against 13.46¢ in EIA's 2024 average, +1.06¢ apart. Riders, fees and other plans sit in that gap.
What does the last kWh cost at Southwestern Electric Power?
Going from 1,000 to 2,000 kWh adds $112.10, or 11.21¢ per extra kWh, against 11.32¢ for 500 to 1,000 kWh.
Is the Southwestern Electric Power tariff on this page current?
It dates from 2025-10-30, 6 months before the April 2026 snapshot. Southwestern Electric Power may have filed newer rates since.
What does an average Southwestern Electric Power home use?
1,079 kWh a month in 2024 (EIA-861), which costs $133.79 on this tariff.