Constellation 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring is a 12-month fixed rate electricity plan from Constellation, available in the TNMP service area. At 1,000 kWh a month it costs 19.1¢ per kWh all-in, about $191 a month including delivery charges. 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 21.0¢ per kWh versus 19.1¢ at 1,000 kWh.
ERCOT TNMP Usage Bill Credit + A/C Protection for 2 Units and HVAC Diagnostics
As of Oct 22, 2026, Constellation 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring costs 19.1¢ per kWh all-in at 1,000 kWh a month, including TDU delivery charges and any bill credits. By utility — TNMP: 19.1¢ per kWh (≈$191/mo). At 500 kWh it is 21.0¢ per kWh ($105/mo) and at 2,000 kWh 17.9¢ per kWh ($357/mo) in the TNMP area.
Yes. Constellation 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring 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 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring has no renewable content listed on its Electricity Facts Label.
Constellation 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring is available to homes served by TNMP — that covers parts of North Texas, the Gulf Coast and West Texas. Enter your ZIP code to confirm it is offered at your address.
At 1,000 kWh a month Constellation 12Mo Usage Bill Credit + A/C Protection for 2 Units and HVAC Monitoring ranks #106 of 137 residential plans in the TNMP area by all-in cost, so it costs 4.2¢ per kWh more than the cheapest plan there and more 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.
