Constellation 11 Month A/C Alert & Service for 2 Units is an 11-month fixed rate electricity plan from Constellation, available in the Oncor, CenterPoint and TNMP service areas. At 1,000 kWh a month it costs 16.0¢–17.8¢ per kWh all-in — about $160–$178 a month including delivery charges — depending on your utility. It has no renewable content and a $150 early termination fee.
Homes with steady usage around 1,000–2,000 kWh a month that will earn the bill credit most months.
Bill-credit plan: the headline rate assumes you earn the credit each month. Below the threshold the effective rate rises — at 500 kWh it works out to 17.7¢ per kWh versus 16.0¢ at 1,000 kWh.
ERCOT ONCOR 11 Month A/C Alert & Service for 2 Units
As of Oct 22, 2026, Constellation 11 Month A/C Alert & Service for 2 Units costs 16.0¢–17.8¢ per kWh all-in at 1,000 kWh a month, including TDU delivery charges and any bill credits. By utility — Oncor: 16.6¢ per kWh (≈$166/mo); CenterPoint: 16.0¢ per kWh (≈$160/mo); TNMP: 17.8¢ per kWh (≈$178/mo). At 500 kWh it is 17.7¢ per kWh ($88/mo) and at 2,000 kWh 14.9¢ per kWh ($299/mo) in the CenterPoint area.
Yes. Constellation 11 Month A/C Alert & Service for 2 Units is a fixed-rate plan with an 11-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 11-month term ends. Under Texas rules you do not owe the fee if you cancel because you are moving.
Constellation 11 Month A/C Alert & Service for 2 Units has no renewable content listed on its Electricity Facts Label.
Constellation 11 Month A/C Alert & Service for 2 Units is available to homes served by Oncor, CenterPoint and TNMP. Enter your ZIP code to confirm it is offered at your address.
At 1,000 kWh a month Constellation 11 Month A/C Alert & Service for 2 Units ranks #73 of 137 residential plans in the TNMP area by all-in cost, so it costs 2.9¢ per kWh more than the cheapest plan there and less than the area average of 17.9¢. Because it is a bill-credit plan, make sure your usage clears the credit threshold most months, otherwise the effective rate is higher. 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.
