Free electricity from 9pm to 6am" is one of the most effective pieces of marketing in the Texas electricity market — and one of the most misleading, not because it's false, but because of what it doesn't say out loud. Providers don't give away power for free. They make up the cost somewhere else, and that somewhere else is your daytime rate.
The Trade Nobody Advertises
Free nights and weekends plans are time-of-use (TOU) structures: energy costs $0/kWh during a designated off-peak window, typically 9pm-6am or Friday evening through Monday morning, and a substantially higher rate during the day to compensate. Advertised daytime rates on these plans commonly run 18-27¢/kWh, compared to 7-10¢/kWh on a standard fixed-rate plan covering the exact same hours. That's not a minor markup — it's often two to three times higher.
It's also worth knowing that "free" usually only applies to the energy charge. TDU delivery charges — typically 5-6¢/kWh — still apply during your free hours on most plans, meaning the truly free portion of your bill is smaller than the marketing implies.
The Math, Worked Out
Here's a real comparison using a 1,500 kWh monthly household, comparing a free-nights plan against a standard flat-rate plan:
Scenario A — Typical usage pattern (most of it during the day):
Free-nights plan: 350 kWh shifted to free overnight hours, 1,150 kWh at 14¢/kWh daytime = $161 Flat-rate plan: 1,500 kWh at 10.5¢/kWh, all hours = $157.50 Result: the free-nights plan actually costs $3.50 more
Scenario B — Aggressively shifted usage (EV charging, pool pump, dishwasher running overnight):
Free-nights plan: 600 kWh free overnight, 900 kWh at 14¢/kWh daytime = $126 Flat-rate plan: 1,500 kWh at 10.5¢/kWh = $157.50 Result: the free-nights plan wins by $31.50
The difference between those two outcomes isn't the plan — it's how much of your actual usage you can genuinely move into the free window. Most households can't move 40%+ of their consumption overnight, which is exactly why these plans are priced the way they are: providers are betting you won't hit the usage pattern that makes the math work in your favor.
Who Actually Comes Out Ahead
Free nights and weekends plans tend to work for a narrow set of households: night-shift workers who are naturally active during off-peak hours, EV owners who can schedule charging overnight, and households willing to deliberately run laundry, dishwashers, and pool pumps after 9pm rather than during the day. If you work from home, run the AC heavily during daytime hours, or simply live a normal daytime schedule, these plans are working against you by design — the elevated daytime rate applies to almost everything you use.
Why Flat-Rate Plans Are Simpler — and Usually Cheaper
A flat-rate plan charges one price per kWh, 24 hours a day, every day of your contract term. There's no clock to watch before running the dishwasher, no guessing whether you shifted enough usage into a free window, and no risk of quietly paying a premium rate for the bulk of your electricity without realizing it. For the majority of households whose usage doesn't cleanly split toward nights and weekends, a flat rate isn't just simpler — it's mathematically the better deal, as the numbers above show.
Check Your Own Numbers Before Switching
The only way to know for certain whether a free-nights plan would help or hurt you is to look at when you actually use electricity, not when you assume you do. Maya AI reads your usage pattern directly from a past bill and compares it against current flat-rate offers in your area — so instead of guessing, you get a straight answer on whether a time-of-use plan would actually save you money, or just look like it does.
Check whether a flat rate beats free nights for you →