Frontier Utilities
Saver Plus 12
Rate
7.40¢
Term
12 Months
$1000 kWh
$74
Rates as of September 2026 · verify on the EFL
- ✓ 30% green
- ✓ $125 bill credit when your usage is at least 1000kWh
- ✓ 60 Day Happiness Guarantee
Best for Low Rates Frontier Utilities in Sonora
Frontier Utilities in Sonora.
Frontier Utilities has 6 plans live on the AEP Texas North grid serving Sonora. Lowest rate 7.40¢/kWh — about 7.2¢ below the Sonora average.
4.7 via Google · AEP Texas North grid · Sutton County
Frontier Utilities in Sonora
By the numbers.
Lowest here
7.40¢
Frontier Utilities in Sonora
Sonora avg
14.63¢
across all providers
Frontier Utilities plans
6
on AEP Texas North
100% green
0
renewable plans
What you pay in Sonora
Energy charge vs the wires.
Frontier Utilities's cheapest plan in Sonora is 7.4¢/kWh all-in. That number is two parts: Frontier Utilities's energy charge, plus the AEP Texas North delivery charge — the cost of the poles and wires, set by the PUCT and identical on every plan from every provider on this grid.
Frontier Utilities energy
2.5¢
AEP Texas North delivery
4.9¢
All-in
7.4¢
At a typical 1,000 kWh month, that's about $74 — including the ~$4.93 AEP Texas North meter charge. Because delivery is fixed, the only lever between providers in Sonora is the energy charge. Frontier Utilities's best rate ranks #3 of 12 providers on the AEP Texas North grid.
Top Frontier Utilities picks for Sonora
Best Frontier Utilities plans here.
Frontier Utilities
Light Saver 12
Rate
14.00¢
Term
12 Months
$1000 kWh
$140
Rates as of September 2026 · verify on the EFL
- ✓ 30% green
- ✓ No gimmicks, no bill credits, fixed rate pricing
- ✓ 60 Day Happiness Guarantee
Frontier Utilities
Saver Value Plus 12
Rate
14.10¢
Term
12 Months
$1000 kWh
$141
Rates as of September 2026 · verify on the EFL
- ✓ 30% green
Every Frontier Utilities plan on AEP Texas North
All 6 Frontier Utilities plans in Sonora.
| # | Plan | Rate | |
|---|---|---|---|
| 1 | Saver Plus 12 | 7.40¢ | View → |
| 2 | Light Saver 12 | 14.00¢ | View → |
| 3 | Saver Value Plus 12 | 14.10¢ | View → |
| 4 | Saver Value 12 | 17.50¢ | View → |
| 5 | Saver Deluxe 12 | 18.00¢ | View → |
| 6 | Saver Premier 12 | 18.60¢ | View → |
Sonora, Sutton County, sample ZIP 76950. Served by AEP Texas North (outage line: 1-866-223-8508).
Switching in Sonora
Same wires — new bill from Frontier Utilities.
AEP Texas North owns the wires in Sonora and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Frontier Utilities files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Frontier Utilities in Sonora — FAQ
Common questions.
Does Frontier Utilities serve Sonora, TX?
Yes. Frontier Utilities offers 6 plans in Sonora on the AEP Texas North grid, starting at 7.4¢/kWh all-in. Enrollment is online and service is delivered by AEP Texas North.
What's the delivery charge in Sonora?
AEP Texas North charges about 4.9¢/kWh plus ~$4.93/month to deliver power in Sonora. This is set by the PUCT and is identical on every plan — from Frontier Utilities or any other provider — so the only number that differs between providers is the energy charge.
Where does Frontier Utilities rank on price in Sonora?
Frontier Utilities's lowest Sonora rate ranks #3 of 12 providers serving the AEP Texas North grid. The cheapest plan overall in Sonora is 6.9¢/kWh; Frontier Utilities's best is 7.4¢/kWh.
How long does it take to switch to Frontier Utilities in Sonora?
1 to 3 business days. AEP Texas North keeps delivering power the whole time — no interruption, no new meter, no truck roll. Order before roughly 4–5 PM Central on a weekday and same-day switching is usually available.
More on Frontier Utilities
Explore Frontier Utilities.
Compare Frontier Utilities plans in Sonora
See how Frontier Utilities's 6 plans stack up at your real Sonora usage.
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How enrollment works
You pick the plan here. Enrollment finishes on our secure checkout — same rate, no markup. If you'd rather skip the ZIP entry, Live Link pulls your real usage from Smart Meter Texas in about 30 seconds. Same plans, same checkout, less typing.