E-28 Tier 3 PRICE PLAN FOR RESIDENTIAL TIME-OF-DAY SERVICE WITH SUPER OFF-PEAK HOURS
Salt River Project · Time-of-use · filed 2026
$0.1633per kWh, all in
$1,960a year at 1,000 kWh/mo
$40.00fixed, before any usage
$0.1346utility's actual average
What this tariff charges
Fixed charge
$40.00 per month
Export (sell) rate
$0.0345 per kWh
Structure
Time-of-use
Filed
2026-01-01
Energy rates
The charged price is the base rate plus its adjustment. Adjustments carry fuel
and rider costs and are frequently most of the bill, so a comparison built on the base
rate alone is meaningless.
Period 0
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.15060
0.00000
0.15060
Period 1
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.12760
0.00000
0.12760
Period 2
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.13550
0.00000
0.13550
Period 3
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.18550
0.00000
0.18550
Period 4
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.40200
0.00000
0.40200
Period 5
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.15080
0.00000
0.15080
Period 6
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.03950
0.00000
0.03950
Period 7
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.06610
0.00000
0.06610
Period 8
Tier
Up to
Base
Adjustment
Charged $/kWh
1
no limit
0.04320
0.00000
0.04320
What it costs at different usage levels
kWh per month
Annual total
Effective $/kWh
500
$1,220.07
$0.2034
1000
$1,960.14
$0.1633
2000
$3,440.29
$0.1434
Effective rate includes the fixed charge, which is why it falls as usage rises.
This is a time-of-use tariff, so the result also depends on when power is used;
an average residential pattern is assumed. Details →
A 7 kW system costing $21,000 before incentives would save
$652 a year on this tariff, paying back in
32 years.
No federal tax credit is included: Section 25D ended on December 31, 2025.
APPLICABILITY: This plan is applicable to a single-family house, a single unit in a multiple family house, a single unit in a multiple apartment, a manufactured housing unit, or other residential dwelling, supplied through one point of delivery and measured through one meter. This plan is open to customers with on-site generation. Service under this price plan excludes resale, sub-metering, and standby uses. 1) Tier 1: Applies to a single unit in a multiple family house, an apartment unit, a condominium unit, a townhouse, or a patio home, with service of 0-225 amps. 2) Tier 2: Applies to any dwelling type to which Tier 1 is not applicable, with service of 0-225 amps. 3) Tier 3: Applies to any residence with service of more than 225 amps.