Retailers Include: AEP Energy , APG&E Energy Solutions , Calpine Energy Solutions , Constellations NewEnergy, INC , Crius Energy , Direct Energy Services LLC , Dynegy , ENGIE Resources , Entrust Energy , IGS Energy , Just Energy , Liberty Power , Next Era Energy Services , Nordic Energy Services, LLC , NRG Energy INC , Source Energy , Spark Energy , Starion Energy , Stream Energy , Talen Energy , TransCanada Power Marketing LTD. 
An ILEC is a telephone company that was providing local service when the Telecommunications Act of 1996 was enacted. Examples of ILECs serving South Dakota are Golden West Telecommunications, Cheyenne River Sioux Tribe Telephone Authority and Beresford Municipal Telephone Company. See a complete list of ILEC companies (18 KB). Some companies, such as Qwest, Midstate Communications and Knology, can be both an ILEC and a CLEC (see below) in different service areas.
The main difference between a provider and TDSP is that a TDSP is in charge of delivering electricity supply to a consumer's home or business. Contact your local TDSP for emergency situations such as hazardous electrical wires, storm alerts and power outages. Also, AEP offers McAllen residents and business owners with storm safety tips and service request information. Contact the TDSP at 1-877-373-4858 for electrical safety issues and 1-866-223-8508 for outage emergencies.
CenterPoint Intelligent Energy Solutions LLC, IES, which manages TrueCost, is not the same legal entity as CenterPoint Energy Resources Corp. (CERC) or CenterPoint Energy Houston Electric, LLC (CEHE), nor is IES regulated by the Railroad Commission of Texas or the Public Utility Commission of Texas. You do not have to buy products or services from IES in order to continue to receive quality regulated services from CERC or CEHE.
All of Direct Energy’s offers include either a rewards program or a charitable donation, and the benefits get bigger the more electricity you use. Paying for electricity isn’t exactly the most fun thing you could spend your money on. If you are looking for a little sugar to help the medicine go down, Direct Energy has a dessert tray of options. Fair warning: They’re not quite as sweet as they look.
Switching electricity supplier could shave pounds off your bills. But it’s not always about how much hard cash you could save. You might be fed up with poor customer service, you might want greater visibility of your usage through an app or you might want to choose your supplier based on their green credentials, or whether they supply a smart meter.