Twenty bucks compared to a $2,000 bill? Not much to write home about, but hey — it’s free money. And, true, you’ll still get some free money when you use less energy, but rewards only really seem reward-y if you're shelling out big bucks. That same Direct Energy plan only yields about $6 in Plenti points per year if you use 500 kWh of electricity each month.
Another unwelcome side effect of not knowing your average monthly kWh usage level is that you may end up paying more than you expect. This can occur when a customer inadvertently shops an electric rate based on a higher usage level than they actually use. Electricity suppliers commonly advertise their electric rates associated with the highest (2000 kWh) usage levels since those tend to be the lowest rates.
The Electric Reliability Council of Texas (ERCOT) does it for you. When you sign up for a plan with a new provider, ERCOT will send you a mailer confirming the switch. You have three days upon receiving the mailer to change your mind. If you don't, you'll have a new provider within seven days, and ERCOT will notify your old provider. Just remember, if you abandon a contract before it's complete, you will be on the hook for any fees or penalties detailed in its Terms of Service.