Tucson Electric Power is an investor-owned utility serving about 416,268 homes in Arizona. Here's what its rates and export rules mean for solar: for a typical customer, solar is a close call.
Average price (2026 est.)
15.0¢2% below Arizona average
Typical bill
$118784 kWh a month
Exports credited
4.62¢Net billing (reduced export credit)
Typical payback
14.4 yrs3 kW, cash
Export rules for Tucson Electric Power customers
Net billing (reduced export credit) — about 4.62¢ per exported kWh, instantaneous netting.
RCP $0.0462/kWh effective Oct 1, 2026-Sept 30, 2027 (prior $0.0513). Locked 10 years.
Uses the utility's average price; time-of-use plans can change this, so pick your plan in the calculator.
Current residential rate plans
Rates we verified from Tucson Electric Power's tariff documents. Prices are per kWh including the main riders where noted; check your bill for the plan you're on.
TRRES: Residential Service Basic (R-01)
Effective 2023-09-01. Fixed charge $15.00/month.
Period
Price
12am–12am (5 months)
15.2¢
12am–12am (7 months)
14.8¢
Bundled delivery energy charge tiers: 0-500 kWh $0.086720, 501-1000 $0.106384, >1000 $0.113594, plus base power supply $0.043711 summer / $0.039632 winter. Period rates above use the 501-1000 kWh tier; adjustors applied: PPFAC -$0.007150 (eff. 2026-04-15), DSMS +$0.002889, TCA +$0.002319, TEAM +$0.0004, LFCR +2.1717%. REST-TS1 $0.0189/kWh capped at $10.37/mo (excluded as ~zero marginal for typical use).
RCP $0.0462/kWh effective Oct 1, 2026-Sept 30, 2027 (prior $0.0513). Locked 10 years. Exported power is credited at about 4.62¢ per kWh.
How much does electricity cost with Tucson Electric Power?
Residential customers paid an average of 14.9¢ per kWh in 2025 (EIA), about 15.0¢ adjusted to 2026. The typical home uses 784 kWh a month, a bill of about $118.
Is solar worth it with Tucson Electric Power?
For a typical customer, solar is a close call: a 3 kW system costing about $8,800 pays back in about 14.4 years, with $7,988 net over 25 years.
How many Tucson Electric Power customers have solar?
About 54,718 homes had net-metered solar at the end of 2025, roughly 13.1% of residential customers (EIA-861).
Legal name: Tucson Electric Power Co (EIA ID 24211). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026, utility tariff sheets.