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Tariff data · 2026-08-26

AZ · Political Subdivision · serves 136 ZIP codes

Salt River Project rate plans

37 residential plans are currently open to new customers. Some charge different prices depending on the hour — which is where most of the savings hide.

How much does the plan you pick actually matter here?

Run the same three-bedroom house with central air through every plan Salt River Project files, and the bill lands anywhere between $837 and $1,750 a year. That $913 spread is not a difference in electricity — it is the same kilowatt-hours, from the same wires, priced under different rules. Nobody sends you a letter when you are on the wrong side of it.

The plan most households land on by default, E-23 Tier 1 BASIC PRICE PLAN FOR RESIDENTIAL SERVICE, comes to about $1,379. The cheapest option here, E-27 Tier 1 SRP CUSTOMER GENERATION PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 0-225), comes to $837 — a gap of about $542 a year for a household that never changed a single habit. Whether you can actually capture that depends on when you use power, which is what the calculator below is for.

21 of these 37 plans price by the hour. Those are the ones where moving laundry, dishes, or car charging into the cheap window changes the bill; on the rest, the clock is irrelevant and only the total matters. Which camp you belong in is the first question worth settling, because it decides whether shifting your day is worth anything at all.

Watch the fixed charges too. Across these plans they run from $240 to $480 a year before a single kilowatt-hour is counted. For a small household that difference alone can outweigh the per-kWh price, which is why comparing cents per kilowatt-hour on its own quietly misleads.

Which plan would cost you least?

No bill upload, no sign-up. Tell us roughly what you use and what runs on electricity — we price every plan against the same household and show you the gap.

What else runs on electricity

That adds up to 7,914 kWh a year. Compare it to the total on your bill and adjust until it’s close.

Same usage, different plan

$772a year

That is the gap between the cheapest plan you could be on — E-27 Tier 1 SRP CUSTOMER GENERATION PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 0-225) — and the priciest. Not by using less power. By being billed differently for the same power.

PlanPer yearVs best
E-27 Tier 1 SRP CUSTOMER GENERATION PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 0-225)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$737
E-27P Tier 1 SRP Residential Demand Price Plan Pilot - Pilot Price Plan for Residential Demand Rate Service (Amp Service 0-225)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$737+$0
E-15 Tier 1 CUSTOMER GENERATION AVERAGE DEMAND PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 0-225)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$738+$0
E-27 Tier 2 SRP CUSTOMER GENERATION PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 0-225)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$857+$120
E-27P Tier 2 SRP Residential Demand Price Plan Pilot - Pilot Price Plan for Residential Demand Rate Service (Amp Service 0-225)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$857+$120
E-15 Tier 2 CUSTOMER GENERATION AVERAGE DEMAND PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 0-225)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$858+$120
E-27 Tier 3 SRP CUSTOMER GENERATION PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 225+)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$977+$240
E-27P Tier 3 SRP Residential Demand Price Plan Pilot - Pilot Price Plan for Residential Demand Rate Service (Amp Service 225+)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$977+$240
E-15 Tier 3 CUSTOMER GENERATION AVERAGE DEMAND PRICE PLAN FOR RESIDENTIAL SERVICE (Amp Service 225+)Peak hits 9pm–5am, 9am–5pm, 5am–9am, 5pm–9pm in Nov–Apr; 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$978+$240
E-29 Tier 1 SRP Electric Vehicle Price Plan - Residential Electric Vehicle Price PlanPeak hits 9am–5pm, 9pm–11pm, 5am–9am, 5pm–9pm in Nov–Apr; 11pm–5am, 5am–2pm, 8pm–11pm, 2pm–8pm in May–Jun, Sep–Oct; 11pm–5am, 5am–2pm, 8pm–11pm, 2pm–8pm in Jul–Aug — every day.$1,133+$395
E-26 Tier 1 SRP Time-of-Use Price Plan™ (TOU) - STANDARD PRICE PLAN FOR RESIDENTIAL TIME-OF-USE SERVICEPeak hits 5am–9am, 5pm–9pm in Nov–Apr; 8pm–2pm, 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$1,135+$398
E-23 BASIC PRICE PLAN FOR RESIDENTIAL SERVICE Low Income RateThe hour never matters here — only the season. Rates peak July–August.$1,137+$400
E-21 Tier 1 SRP EZ-3 Price Plan - PRICE PLAN FOR RESIDENTIAL SUPER PEAK TIME-OF-USE SERVICEPeak hits 3pm–6pm in Nov–Apr; 3pm–6pm, 6pm–3pm in May–Jun, Sep–Oct; 3pm–6pm, 6pm–3pm in Jul–Aug — every day.$1,151+$413
E-22 Tier 1 SRP EZ-3 Price Plan - PRICE PLAN FOR RESIDENTIAL SUPER PEAK TIME-OF-USE SERVICEPeak hits 4pm–7pm in Nov–Apr; 4pm–7pm, 7pm–4pm in May–Jun, Sep–Oct; 4pm–7pm, 7pm–4pm in Jul–Aug — every day.$1,167+$429
E-23 Tier 1 BASIC PRICE PLAN FOR RESIDENTIAL SERVICEThe hour never matters here — only the season. Rates peak July–August.$1,176+$439
E-24 Tier 1 M-POWER PRICE PLAN FOR PRE-PAY RESIDENTIAL SERVICEThe hour never matters here — only the season. Rates peak July–August.$1,176+$439
E-28 Tier 1 PRICE PLAN FOR RESIDENTIAL TIME-OF-DAY SERVICE WITH SUPER OFF-PEAK HOURSPeak hits 9pm–8am, 3pm–6pm, 6pm–9pm, 8am–3pm in Nov–Apr; 9pm–8am, 3pm–6pm, 6pm–9pm in May–Jun, Sep–Oct; 9pm–8am, 3pm–6pm, 6pm–9pm, 8am–3pm in Jul–Aug — every day.$1,210+$473
E-13 Tier 1 Customer Generation Time-of-Use Export Price Plan for Residential Service (AMP Service 0-225)Peak hits 5am–9am, 5pm–9pm in Nov–Apr; 8pm–2pm, 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$1,243+$506
E-29 Tier 2 SRP Electric Vehicle Price Plan - Residential Electric Vehicle Price PlanPeak hits 9am–5pm, 9pm–11pm, 5am–9am, 5pm–9pm in Nov–Apr; 11pm–5am, 5am–2pm, 8pm–11pm, 2pm–8pm in May–Jun, Sep–Oct; 11pm–5am, 5am–2pm, 8pm–11pm, 2pm–8pm in Jul–Aug — every day.$1,253+$515
E-26 Tier 2 SRP Time-of-Use Price Plan™ (TOU) - STANDARD PRICE PLAN FOR RESIDENTIAL TIME-OF-USE SERVICEPeak hits 5am–9am, 5pm–9pm in Nov–Apr; 8pm–2pm, 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$1,255+$518
E-14 Tier 1 RESIDENTIAL CUSTOMER GENERATION ELECTRIC VEHICLE EXPORT PRICE PLAN (Amp Service 0-225)Peak hits 9am–5pm, 9pm–11pm, 5am–9am, 5pm–9pm in Nov–Apr; 5am–2pm, 8pm–11pm, 2pm–8pm, 11pm–5am in May–Jun, Sep–Oct; 5am–2pm, 8pm–11pm, 2pm–8pm, 11pm–5am in Jul–Aug — every day.$1,269+$532
E-21 Tier 2 SRP EZ-3 Price Plan - PRICE PLAN FOR RESIDENTIAL SUPER PEAK TIME-OF-USE SERVICEPeak hits 3pm–6pm in Nov–Apr; 3pm–6pm, 6pm–3pm in May–Jun, Sep–Oct; 3pm–6pm, 6pm–3pm in Jul–Aug — every day.$1,271+$533
E-22 Tier 2 SRP EZ-3 Price Plan - PRICE PLAN FOR RESIDENTIAL SUPER PEAK TIME-OF-USE SERVICEPeak hits 4pm–7pm in Nov–Apr; 4pm–7pm, 7pm–4pm in May–Jun, Sep–Oct; 4pm–7pm, 7pm–4pm in Jul–Aug — every day.$1,287+$549
E-23 Tier 2 BASIC PRICE PLAN FOR RESIDENTIAL SERVICEThe hour never matters here — only the season. Rates peak July–August.$1,296+$559
E-24 Tier 2 M-POWER PRICE PLAN FOR PRE-PAY RESIDENTIAL SERVICEThe hour never matters here — only the season. Rates peak July–August.$1,296+$559
E-28 Tier 2 PRICE PLAN FOR RESIDENTIAL TIME-OF-DAY SERVICE WITH SUPER OFF-PEAK HOURSPeak hits 9pm–8am, 3pm–6pm, 6pm–9pm, 8am–3pm in Nov–Apr; 9pm–8am, 3pm–6pm, 6pm–9pm in May–Jun, Sep–Oct; 9pm–8am, 3pm–6pm, 6pm–9pm, 8am–3pm in Jul–Aug — every day.$1,330+$593
E-13 Tier 2 Customer Generation Time-of-Use Export Price Plan for Residential Service (AMP Service 0-225)Peak hits 5am–9am, 5pm–9pm in Nov–Apr; 8pm–2pm, 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$1,363+$626
E-29 Tier 3 SRP Electric Vehicle Price Plan - Residential Electric Vehicle Price PlanPeak hits 9am–5pm, 9pm–11pm, 5am–9am, 5pm–9pm in Nov–Apr; 11pm–5am, 5am–2pm, 8pm–11pm, 2pm–8pm in May–Jun, Sep–Oct; 11pm–5am, 5am–2pm, 8pm–11pm, 2pm–8pm in Jul–Aug — every day.$1,373+$635
E-26 Tier 3 SRP Time-of-Use Price Plan™ (TOU) - STANDARD PRICE PLAN FOR RESIDENTIAL TIME-OF-USE SERVICEPeak hits 5am–9am, 5pm–9pm in Nov–Apr; 8pm–2pm, 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$1,375+$638
E-14 Tier 2 RESIDENTIAL CUSTOMER GENERATION ELECTRIC VEHICLE EXPORT PRICE PLAN (Amp Service 0-225)Peak hits 9am–5pm, 9pm–11pm, 5am–9am, 5pm–9pm in Nov–Apr; 5am–2pm, 8pm–11pm, 2pm–8pm, 11pm–5am in May–Jun, Sep–Oct; 5am–2pm, 8pm–11pm, 2pm–8pm, 11pm–5am in Jul–Aug — every day.$1,389+$652
E-21 Tier 3 SRP EZ-3 Price Plan - PRICE PLAN FOR RESIDENTIAL SUPER PEAK TIME-OF-USE SERVICEPeak hits 3pm–6pm in Nov–Apr; 3pm–6pm, 6pm–3pm in May–Jun, Sep–Oct; 3pm–6pm, 6pm–3pm in Jul–Aug — every day.$1,391+$653
E-22 Tier 3 SRP EZ-3 Price Plan - PRICE PLAN FOR RESIDENTIAL SUPER PEAK TIME-OF-USE SERVICEPeak hits 4pm–7pm in Nov–Apr; 4pm–7pm, 7pm–4pm in May–Jun, Sep–Oct; 4pm–7pm, 7pm–4pm in Jul–Aug — every day.$1,407+$669
E-23 Tier 3 BASIC PRICE PLAN FOR RESIDENTIAL SERVICEThe hour never matters here — only the season. Rates peak July–August.$1,416+$679
E-24 Tier 3 M-POWER PRICE PLAN FOR PRE-PAY RESIDENTIAL SERVICEThe hour never matters here — only the season. Rates peak July–August.$1,416+$679
E-28 Tier 3 PRICE PLAN FOR RESIDENTIAL TIME-OF-DAY SERVICE WITH SUPER OFF-PEAK HOURSPeak hits 9pm–8am, 3pm–6pm, 6pm–9pm, 8am–3pm in Nov–Apr; 9pm–8am, 3pm–6pm, 6pm–9pm in May–Jun, Sep–Oct; 9pm–8am, 3pm–6pm, 6pm–9pm, 8am–3pm in Jul–Aug — every day.$1,450+$713
E-13 Tier 3 Customer Generation Time-of-Use Export Price Plan for Residential Service (AMP Service 225+)Peak hits 5am–9am, 5pm–9pm in Nov–Apr; 8pm–2pm, 2pm–8pm in May–Jun, Sep–Oct; 8pm–2pm, 2pm–8pm in Jul–Aug — every day.$1,483+$746
E-14 Tier 3 RESIDENTIAL CUSTOMER GENERATION ELECTRIC VEHICLE EXPORT PRICE PLAN (Amp Service 225+)Peak hits 9am–5pm, 9pm–11pm, 5am–9am, 5pm–9pm in Nov–Apr; 5am–2pm, 8pm–11pm, 2pm–8pm, 11pm–5am in May–Jun, Sep–Oct; 5am–2pm, 8pm–11pm, 2pm–8pm, 11pm–5am in Jul–Aug — every day.$1,509+$772

An estimate, not a quote. Supply charges move month to month, and your real usage pattern is not exactly this one. What it does show reliably is the gap between plans — both are priced off the same assumptions.

Before you switch anything

Every plan, in detail

Hour-by-hour schedules, tier thresholds, and the tariff each one comes from.