Constellation 12 Month (No Min Usage Fee) is a 12-month fixed rate electricity plan from Constellation, available in the Oncor, CenterPoint, AEP Texas Central, AEP Texas North and TNMP service areas. At 1,000 kWh a month it costs 12.8¢–15.7¢ per kWh all-in — about $128–$157 a month including delivery charges — depending on your utility. It has no renewable content and a $150 early termination fee.
Any usage level — the all-in price barely changes between 500 and 2,000 kWh, so apartments and small homes are not penalized.
12 Month (No Min Usage Fee)
As of Oct 22, 2026, Constellation 12 Month (No Min Usage Fee) costs 12.8¢–15.7¢ per kWh all-in at 1,000 kWh a month, including TDU delivery charges and any bill credits. By utility — Oncor: 14.5¢ per kWh (≈$145/mo); CenterPoint: 14.0¢ per kWh (≈$140/mo); AEP Texas Central: 12.8¢ per kWh (≈$128/mo); AEP Texas North: 13.4¢ per kWh (≈$134/mo); TNMP: 15.7¢ per kWh (≈$157/mo). At 500 kWh it is 13.1¢ per kWh ($66/mo) and at 2,000 kWh 12.7¢ per kWh ($253/mo) in the AEP Texas Central area.
Yes. Constellation 12 Month (No Min Usage Fee) is a fixed-rate plan with a 12-month term: the energy charge stays the same for the full contract. Your bill still changes with how much electricity you use, and the regulated TDU delivery charges can be adjusted by the utility.
The early termination fee is $150 if you leave before the 12-month term ends. Under Texas rules you do not owe the fee if you cancel because you are moving.
Constellation 12 Month (No Min Usage Fee) has no renewable content listed on its Electricity Facts Label.
Constellation 12 Month (No Min Usage Fee) is available to homes served by Oncor, CenterPoint, AEP Texas Central, AEP Texas North and TNMP. Enter your ZIP code to confirm it is offered at your address.
At 1,000 kWh a month Constellation 12 Month (No Min Usage Fee) ranks #9 of 147 residential plans in the CenterPoint area by all-in cost, so it costs 0.8¢ per kWh more than the cheapest plan there and less than the area average of 16.1¢. Rankings are recalculated daily.
Choose your utility in the table above and click Enroll. You will need your service address, a move-in or switch date and the account holder's details; enrollment takes about five minutes online and a switch usually completes within one to seven days. There is no interruption to your power.
Rates and rankings are recalculated daily from provider Electricity Facts Labels via PowerHQ. All-in prices include TDU delivery charges, base fees and bill credits averaged over a typical year; your actual bill depends on your usage. GridHacker may earn a commission when you enroll through our links — this never affects how plans are ranked.
