Constellation
12 Month (No Min Usage Fee)
Rate
12.80¢
Term
12 Months
$1000 kWh
$128
Rates as of September 2026 · verify on the EFL
- ✓ 30% green
Best for Reliability Constellation in Alton
Constellation in Alton.
Constellation has 2 plans live on the AEP Texas Central grid serving Alton. Lowest rate 12.80¢/kWh — about 1.7¢ below the Alton average.
4.6 via Google · AEP Texas Central grid · Hidalgo County
Constellation in Alton
By the numbers.
Lowest here
12.80¢
Constellation in Alton
Alton avg
14.48¢
across all providers
Constellation plans
2
on AEP Texas Central
100% green
0
renewable plans
What you pay in Alton
Energy charge vs the wires.
Constellation's cheapest plan in Alton is 12.8¢/kWh all-in. That number is two parts: Constellation's energy charge, plus the AEP Texas Central delivery charge — the cost of the poles and wires, set by the PUCT and identical on every plan from every provider on this grid.
Constellation energy
7.7¢
AEP Texas Central delivery
5.1¢
All-in
12.8¢
At a typical 1,000 kWh month, that's about $128 — including the ~$4.93 AEP Texas Central meter charge. Because delivery is fixed, the only lever between providers in Alton is the energy charge. Constellation's best rate ranks #11 of 17 providers on the AEP Texas Central grid.
Top Constellation picks for Alton
Best Constellation plans here.
Constellation
12 Month GREEN (No Min Usage Fee)
Rate
13.40¢
Term
12 Months
$1000 kWh
$134
Rates as of September 2026 · verify on the EFL
- ✓ 30% green
Alton, Hidalgo County, sample ZIP 78573. Served by AEP Texas Central (outage line: 1-866-223-8508).
Switching in Alton
Same wires — new bill from Constellation.
AEP Texas Central owns the wires in Alton and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Constellation files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Constellation in Alton — FAQ
Common questions.
Does Constellation serve Alton, TX?
Yes. Constellation offers 2 plans in Alton on the AEP Texas Central grid, starting at 12.8¢/kWh all-in. Enrollment is online and service is delivered by AEP Texas Central.
What's the delivery charge in Alton?
AEP Texas Central charges about 5.1¢/kWh plus ~$4.93/month to deliver power in Alton. This is set by the PUCT and is identical on every plan — from Constellation or any other provider — so the only number that differs between providers is the energy charge.
Where does Constellation rank on price in Alton?
Constellation's lowest Alton rate ranks #11 of 17 providers serving the AEP Texas Central grid. The cheapest plan overall in Alton is 6.8¢/kWh; Constellation's best is 12.8¢/kWh.
How long does it take to switch to Constellation in Alton?
1 to 3 business days. AEP Texas Central 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 Constellation
Explore Constellation.
Compare Constellation plans in Alton
See how Constellation's 2 plans stack up at your real Alton 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.