Tucson Electric Power Co bill decoder
Tucson Electric Power sells under this tariff at 15.95¢ per kWh all-in, +0.63¢ against the Arizona average of 15.32¢. The $23.44 fixed charge is 15% of the bill.
Tucson Electric Power at 1,000 kWh, line by line
Tucson Electric Power bills $23.44 a month, 15% of the $159.51 total at 1,000 kWh. Tucson Electric Power tiers its energy: the first 500 kWh cost 12.436¢, then 15.165¢ above 1,000 kWh (+22%), so 0 of 1,000 kWh pay the top rate.
Tucson Electric Power: what the tariff charges
| Line | Charged | Amount |
|---|---|---|
| Customer charge | Fixed, once a month | $23.44 |
| Energy, Oct to Apr, tier 1 | First 500 kWh | 12.436¢ per kWh |
| Energy, Oct to Apr, tier 2 | 500 to 1,000 kWh | 14.433¢ per kWh |
| Energy, Oct to Apr, tier 3 | Over 1,000 kWh | 15.165¢ per kWh |
| Energy, May to Sep, tier 1 | First 500 kWh | 12.85¢ per kWh |
| Energy, May to Sep, tier 2 | 500 to 1,000 kWh | 14.847¢ per kWh |
| Energy, May to Sep, tier 3 | Over 1,000 kWh | 15.579¢ per kWh |
Tucson Electric Power at 500, 1,000 and 2,000 kWh
| kWh | Total | ¢/kWh | Fixed | Energy | AZ avg |
|---|---|---|---|---|---|
| 500 | $86.48 | 17.30 | $23.44 | $63.04 | $76.60 |
| 800 (average home) | $130.30 | 16.29 | $23.44 | $106.86 | $122.56 |
| 1,000 | $159.51 | 15.95 | $23.44 | $136.07 | $153.20 |
| 2,000 | $312.88 | 15.64 | $23.44 | $289.44 | $306.40 |
How the Tucson Electric Power total climbs
$54.96 at 250 kWh becomes $466.26 at 3,000 kWh, 8.5 times the bill for 12 times the power.
Tucson Electric Power total in dollars, by kWh
- 55250
- 86500
- 123750
- 1601,000
- 2361,500
- 3132,000
- 4663,000
Check your Tucson Electric Power bill
Tucson Electric Power: tariff against EIA
EIA-861 puts the 2024 home price at 15.63¢ for Tucson Electric Power, across 412,747 home accounts using 800 kWh a month. The tariff gives 16.29¢ ($130.35). The -0.66¢ gap, about -$5.25 a month, is riders, other plans and rate changes.
Other Tucson Electric Power residential plans
3 more Tucson Electric Power plans fit the model; the decoder prices each.
| Plan | Since | Type | 1,000 kWh | Fixed |
|---|---|---|---|---|
| Special Residential Electric Service TRRSP - Single Phase | 2025-09-30 | tiered | $150.11 | $23.44 |
| Special Residential Electric Service TRRSP - Three Phase | 2025-09-30 | tiered | $155.11 | $28.44 |
| Residential Electric Service TRRES (Three Phase) | 2025-09-30 | tiered | $164.51 | $28.44 |
Tucson Electric Power: sources and limits
- Tariff: Residential Electric Service TRRES (Single Phase), effective 2025-09-30, record 69394fd9e1b9b205080a1589, updated 2025-12-10; decode_tariffs.csv.
- Tariff sheet cited by the record: https://docs.tep.com/wp-content/uploads/101-TRRES.pdf.
- Data: OpenEI URDB, EIA-861, EIA state data.
Tucson Electric Power: taxes, riders and adjustments sit outside these rates.
Keep going
Questions
What does Tucson Electric Power charge before I use any power?
$23.44 a month, which is 27% of the $86.48 total at 500 kWh.
How much is 1,000 kWh at Tucson Electric Power?
$159.51: $23.44 fixed plus $136.07 energy, 15.95¢ per kWh. Taxes and riders come on top.
Why does my Tucson Electric Power bill not match the tariff?
Because EIA's 2024 average of 15.63¢ for Tucson Electric Power sits -0.66¢ from the 16.29¢ the tariff gives at 800 kWh. Riders, fees and other plans explain it.
What does the last kWh cost at Tucson Electric Power?
Going from 1,000 to 2,000 kWh adds $153.38, or 15.34¢ per extra kWh, against 14.61¢ for 500 to 1,000 kWh.
How old is the Tucson Electric Power tariff used here?
It took effect 2025-09-30, 7 months before the April 2026 snapshot. Check Tucson Electric Power for newer rates.
What does an average Tucson Electric Power home use?
800 kWh a month in 2024 (EIA-861), which costs $130.35 on this tariff.