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 San Ygnacio
Constellation in San Ygnacio.
Constellation has 2 plans live on the AEP Texas Central grid serving San Ygnacio. Lowest rate 12.80¢/kWh — about 1.7¢ below the San Ygnacio average.
4.6 via Google · AEP Texas Central grid · Zapata County
Constellation in San Ygnacio
By the numbers.
Lowest here
12.80¢
Constellation in San Ygnacio
San Ygnacio avg
14.48¢
across all providers
Constellation plans
2
on AEP Texas Central
100% green
0
renewable plans
What you pay in San Ygnacio
Energy charge vs the wires.
Constellation's cheapest plan in San Ygnacio 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 San Ygnacio is the energy charge. Constellation's best rate ranks #11 of 17 providers on the AEP Texas Central grid.
Top Constellation picks for San Ygnacio
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
San Ygnacio, Zapata County, sample ZIP 78067. Served by AEP Texas Central (outage line: 1-866-223-8508).
Switching in San Ygnacio
Same wires — new bill from Constellation.
AEP Texas Central owns the wires in San Ygnacio 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 San Ygnacio — FAQ
Common questions.
Does Constellation serve San Ygnacio, TX?
Yes. Constellation offers 2 plans in San Ygnacio 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 San Ygnacio?
AEP Texas Central charges about 5.1¢/kWh plus ~$4.93/month to deliver power in San Ygnacio. 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 San Ygnacio?
Constellation's lowest San Ygnacio rate ranks #11 of 17 providers serving the AEP Texas Central grid. The cheapest plan overall in San Ygnacio is 6.8¢/kWh; Constellation's best is 12.8¢/kWh.
How long does it take to switch to Constellation in San Ygnacio?
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 San Ygnacio
See how Constellation's 2 plans stack up at your real San Ygnacio 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.