Constellation service areas
Where Constellation serves.
Constellation sells electricity across all 5 deregulated Texas TDU territories — covering 891+ cities in our catalog.
Coverage at a glance
Constellation footprint.
TDU territories served
The wires Constellation can deliver on.
In Texas's deregulated market the TDU owns the wires; Constellation sells you the energy. Plans are available wherever Constellation has TDU coverage.
AEP Texas Central
Coastal Bend / South Texas
AEP Texas North
West Texas
CenterPoint Energy
Greater Houston
Oncor
North & Central Texas (DFW)
TNMP
Texas-New Mexico Power patches
Cities Constellation serves
Click your city for local plans.
Oncor
662 citiesTNMP
104 citiesCenterPoint
68 citiesAEP Texas
57 citiesConfirm coverage at your ZIP
Three steps to verify.
- 1
Drop your ZIP
Enter it on our compare-plans page. We filter to plans live on your meter.
- 2
Look for the logo
If Constellation appears, they cover your TDU. If not, you're on a non-Constellation territory.
- 3
Check for municipal
Austin Energy, CPS, El Paso Electric — these are regulated, no competitive REPs.
Ready to switch to Constellation?
Same wires, same meter — just a new bill. The switch takes 1–3 business days, no service interruption.
