TXU Energy Free Nights & Cool Summer 12 is a 12-month fixed rate electricity plan from TXU Energy, available in the Oncor, CenterPoint, AEP Texas Central, AEP Texas North and TNMP service areas. At 1,000 kWh a month it costs 17.5¢–18.9¢ per kWh all-in — about $175–$189 a month including delivery charges — depending on your utility. It has 3% renewable content and a $150 early termination fee.
Typical homes using around 1,000 kWh a month; households that can shift usage (laundry, EV charging, pool pumps) to the plan's cheaper hours.
Time-of-use plan: the price changes by time of day, so the rates shown are averages for a typical usage pattern.
Free Nights Savings: From 9:00 p.m. through 4:59 a.m. each day, you will receive a 100% credit on all Energy Charges. Cool Summer Bonus: You will receive an additional 25% credit on all Energy Charges during the Free Nights Savings period during July, August, and September. This additional credit will never exceed…
As of Nov 11, 2026, TXU Energy Free Nights & Cool Summer 12 costs 17.5¢–18.9¢ per kWh all-in at 1,000 kWh a month, including TDU delivery charges and any bill credits. By utility — Oncor: 18.5¢ per kWh (≈$185/mo); CenterPoint: 17.9¢ per kWh (≈$179/mo); AEP Texas Central: 17.5¢ per kWh (≈$175/mo); AEP Texas North: 18.5¢ per kWh (≈$185/mo); TNMP: 18.9¢ per kWh (≈$189/mo). At 500 kWh it is 18.9¢ per kWh ($94/mo) and at 2,000 kWh 16.9¢ per kWh ($338/mo) in the AEP Texas Central area.
Yes. TXU Energy Free Nights & Cool Summer 12 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.
TXU Energy Free Nights & Cool Summer 12 is 3% renewable, which is the share of your usage matched with renewable energy credits.
TXU Energy Free Nights & Cool Summer 12 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 TXU Energy Free Nights & Cool Summer 12 ranks #260 of 308 residential plans in the TNMP area by all-in cost, so it costs 7.6¢ per kWh more than the cheapest plan there and more than the area average of 16.3¢. 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.
