E-23: Standard Price Plan for Residential Service (SRP Basic)
Effective 2025-11-01. Fixed charge $30.00/month.
| Period | Price |
|---|---|
| 12am–12am (4 months) | 12.1¢ |
| 12am–12am (2 months) | 14.0¢ |
| 12am–12am (6 months) | 11.0¢ |
Typical customer: Close call
Salt River Project (SRP) and solar
Salt River Project (SRP) is a public power district serving about 1,074,095 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.)
- 14.1¢8% below Arizona average
- Typical bill
- $1611,143 kWh a month
- Exports credited
- 3¢Net billing (reduced export credit)
- Typical payback
- 14.2 yrs3.9 kW, cash
Export rules for Salt River Project (SRP) customers
Net billing (reduced export credit) — about 3¢ per exported kWh, instantaneous netting.
Not ACC-regulated. Solar customers must choose solar price plans (E-13 TOU export, E-14 TOU, E-15 average demand plan retiring Nov 2029). Exports credited at a low fixed/time-based export price (roughly 3 cents; one plan lists 3.45 cents); figure approximate. $30/month service charge tier for most homes.
Net billing: all exported kWh (real-time measured) credited at flat Export Rate recalculated each May from 3-yr avg CAISO hourly prices weighted by solar export, /(1-5.76% losses)
Solar for a typical Salt River Project (SRP) home
| System | 3.9 kW (50% of 1,143 kWh/month) |
|---|---|
| Cost | $11,690, $10,690 after incentives |
| First-year savings | $765 |
| Payback | 14.2 years |
| 25-year net | $10,120 |
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 Salt River Project (SRP)'s tariff documents. Prices are per kWh including the main riders where noted; check your bill for the plan you're on.
E-28: Residential Time-of-Day with Super Off-Peak (SRP Conserve 6-9 p.m. and Save)
Plan for solar customers. Effective 2025-11-01. Fixed charge $30.00/month.
| Period | Price |
|---|---|
| 6pm–9pm (4 months) | 18.9¢ |
| 8am–3pm (4 months) | 4.0¢ |
| 12am–8am, 3pm–6pm, 9pm–12am (4 months) | 15.1¢ |
| 6pm–9pm (2 months) | 40.3¢ |
| 8am–3pm (2 months) | 6.7¢ |
| 12am–8am, 3pm–6pm, 9pm–12am (2 months) | 12.8¢ |
| 6pm–9pm (6 months) | 15.1¢ |
| 8am–3pm (6 months) | 4.4¢ |
| 12am–8am, 3pm–6pm, 9pm–12am (6 months) | 13.6¢ |
Solar adoption
- Homes with solar (2025)
- 63,437
- Share of customers
- 5.9%
- Residential solar capacity
- 435 MW
- Residential customers
- 1,074,095
EIA-861, 2025.
Cities served
Questions about Salt River Project (SRP) and solar
Does Salt River Project (SRP) have net metering?
Not ACC-regulated. Solar customers must choose solar price plans (E-13 TOU export, E-14 TOU, E-15 average demand plan retiring Nov 2029). Exports credited at a low fixed/time-based export price (roughly 3 cents; one plan lists 3.45 cents); figure approximate. $30/month service charge tier for most homes. Exported power is credited at about 3¢ per kWh.
How much does electricity cost with Salt River Project (SRP)?
Residential customers paid an average of 14.0¢ per kWh in 2025 (EIA), about 14.1¢ adjusted to 2026. The typical home uses 1,143 kWh a month, a bill of about $161.
Is solar worth it with Salt River Project (SRP)?
For a typical customer, solar is a close call: a 3.9 kW system costing about $10,690 pays back in about 14.2 years, with $10,120 net over 25 years.
How many Salt River Project (SRP) customers have solar?
About 63,437 homes had net-metered solar at the end of 2025, roughly 5.9% of residential customers (EIA-861).
Legal name: Salt River Project (EIA ID 16572). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026, utility tariff sheets.