Prepaid electricity plans are yet another option available to Texas customers. Prepaid plans let you avoid credit checks and deposits by pre-paying for your electricity. Prepaid electricity plans typically do not have a fixed duration and operate on a pay-as-you-go basis. Shopping for prepaid electricity can often yield relatively cheap electricity with no deposit. See Prepaid Electricity: Is It Right For Me? for more.
To make reducing your usage and saving money on electricity even easier, we have an advanced online account dashboard available for all our residential electricity customers. You can go there anytime to pay your bill, check your usage, change your personal information and learn more about offers we have that apply specifically to you. All customers can sign up for our Weekly Summary Email, which helps you stay on top of your usage every week. Plus, many customers are eligible to sign up for Degrees of Difference, which gives you a bill credit when you reduce your usage during designated high-demand time periods. 
Choose Energy is an online marketplace where shopping for energy is fast and easy. Visit ChooseEnergy.com to compare rates, plan terms, and renewable options from a network of trusted partners in a secure, user-friendly experience. Learn more about how energy choice works and the benefits of switching in our Education Center. And follow us on Facebook and Twitter to receive actionable energy intelligence that will help you make smart, personalized energy decisions.
As an Exelon company, Constellation Energy is part of one of the biggest — and historically most polluting — corporations in North America. Given Exelon’s vast production energy, ranking on the PERI Toxic 100 list is perhaps not that surprising. The good news is that Exelon is upfront about its room for eco-friendly improvement and make it easy for Constellation customers to go green, too.
The local electric company is the utility – that’s the company who owns the infrastructure, including the poles and power lines that deliver electricity to your home. They are who you call if your power goes out or there's an emergency. But in almost every city in Texas, you must choose another company to supply that energy, called a Retail Electric Provider (REP). These REPs, like Spark Energy, allow you to choose electricity plans that offer competitive prices and plans to meet your needs.
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Start with one of our three standard packages and add on equipment as you see fit. Basic packages start with door and window sensors, motion detectors and our touch-screen controller. The controller's signal cannot be cut, even if the panel is damaged, and its always-on cellular connection keeps the software up-to-date without you having to do a thing. From there, you can add on more security gear, including a doorbell camera you can monitor from your phone, a smart thermostat, smart lights you can program to turn on and off, a carbon monoxide detector or any number of features and locks to make your home as secure as you want it to be. 
Although electricity had been known to be produced as a result of the chemical reactions that take place in an electrolytic cell since Alessandro Volta developed the voltaic pile in 1800, its production by this means was, and still is, expensive. In 1831, Michael Faraday devised a machine that generated electricity from rotary motion, but it took almost 50 years for the technology to reach a commercially viable stage. In 1878, in the United States, Thomas Edison developed and sold a commercially viable replacement for gas lighting and heating using locally generated and distributed direct current electricity.
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