Switching your energy provider online through our website is quick, easy and hassle-free. Don’t miss out on saving money through our price comparison service simply because you think it will be a long, drawn-out process. The whole thing need not take over ten minutes and by doing so you could be saving hundreds of pounds a year with a cheaper electricity supplier.

The business model behind the electric utility has changed over the years playing a vital role in shaping the electricity industry into what it is today; from generation, transmission, distribution, to the final local retailing. This has occurred prominently since the reform of the electricity supply industry in England and Wales in 1990. In some countries, wholesale electricity markets operate, with generators and retailers trading electricity in a similar manner to shares and currency. As deregulation continues further, utilities are driven to sell their assets as the energy market follows in line with the gas market in use of the futures and spot markets and other financial arrangements. Even globalization with foreign purchases are taking place. One such purchase was when the UK’s National Grid, the largest private electric utility in the world, bought New England’s electric system for $3.2 billion.[2] Between 1995 and 1997, seven of the 12 Regional Electric Companies (RECs) in England and Wales were bought by U.S. energy companies.[3] Domestically, local electric and gas firms have merged operations as they saw the advantages of joint affiliation, especially with the reduced cost of joint-metering. Technological advances will take place in the competitive wholesale electric markets, such examples already being utilized include fuel cells used in space flight; aeroderivative gas turbines used in jet aircraft; solar engineering and photovoltaic systems; off-shore wind farms; and the communication advances spawned by the digital world, particularly with microprocessing which aids in monitoring and dispatching.[4]


We offer AutoPay and average billing payment options to help save you time and money when you're paying your bill. And if you ever have issues with your electricity plan or your bill that you can't solve alone, you can contact our customer service team anytime you need help. We're available 24/7 through online chat or by phone to answer any questions you might have about your home electricity account. 

Usually, fixed-rate renewable-energy plans are among the most expensive options. But in our research, we found Constellation’s green plan rates were comparable to its non-green versions. For example, out of two otherwise identical fixed-rate, 12-month plans from Constellation — “12 Month Fixed Rate 100% Green” and “12 Month Fixed Rate” — it’s the renewable version that currently costs less.


If you think you have to pay the rates your current electricity provider charges, we have good news. The state of Texas allows you to choose which electricity provider you use. This means you can select a provider that has the cheapest Texas electric rates in your area and the best plan for your needs, whether you need a better deal for your residence, your business, or both. Thousands of consumers and businesses that have used our electricity rate comparison process agree that, when shopping for commercial electricity or residential electricity rates and plans, Vault Electricity is the one-stop source for the best options from top electric providers.
No. When you’ve chosen a new deal, your new supplier will handle the switching process. They’ll contact you to let you know what date you’ll be transferred over, and they’ll contact you around the switching date to ask for a meter reading. They’ll pass this on to your old supplier so they can send you a final bill. You don’t need to contact your old supplier, as the new supplier will handle everything for you.
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.
As the third-largest coal-producing state in the nation, a sizable portion of everyone’s electricity comes from coal, regardless of the plan type you choose. But times are changing: Pennsylvania's Alternative Energy Portfolio Standard requires that 18 percent of all electricity sold by 2021 be sourced from renewable energy. The state subsidizes the increase of renewable energy, and by opting for a green plan, your electricity payments do the same.

Texas deregulated most of the state's electricity markets in 2002, a move aimed at lowering electricity costs by letting consumers choose their own electric power providers and their own plans. Some parts of Texas continued to be regulated, including those that get power from municipal utilities, electric cooperatives and investor-owned utilities that operate outside the state's primary power grid.
Whether you live in a large city or small town, we can save you money! Where do we provide Texas electricity? We service customers in more than 400 deregulated communities in Texas. We work with principal utilities throughout the state of Texas to provide prepaid electricity. The utilities are: Oncor in the Dallas / Fort Worth Metroplex and various parts of West Texas; CenterPoint Energy in Houston and the surrounding areas; AEP Central in Corpus Christi and surrounding areas; AEP North in Abilene and other North Texas communities.
There are approximately 5,000 businesses associated with the energy industry in Houston, which is why the city is known as the world's "Energy Capital." Houston is home to more than 2 million people and is one of the most populated areas in the United States. City homeowners, renters and business owners get to choose between energy companies in Houston to supply their electricity. In Houston, one electricity supply rate won't fit the needs of all energy users. Therefore, it's important for consumers to use electric choice to shop for the best plan for them.
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.

On the one hand, long-term, fixed rate (contract) plans offer stability in pricing. If energy supply costs suddenly go up in your area, you won’t be left paying more than what you bargained for.  You’ll have peace-of-mind.  If you want to switch out of your contract before it ends with a lower cost plan, you’ll likely face a cancellation fee (early termination fee).


Over a year, you could save nearly $100 by choosing the green plan. But it’s important to note that Constellation’s attractive initial rates will very likely not be around for a second year. According to the customer reviews on Consumer Affairs, this new contract usually jacks up the price. It offers great rates for new customers, but it may not be worth it to stick with them for more than an initial contract.
The U.S. Energy Information Administration (EIA) explains how the United States generated about 13% of its electricity through green energy sources this past year. Specifically, Fort Hood is looking to create renewable energy initiatives around the base to improve its energy efficiency. More than three years ago, Fort Hood completed its solar field that consists of approximately 3,000 panels. Over the next year, the military base is hoping to introduce wind power installations too.
The mid to late 1880s saw the introduction of alternating current (AC) systems in Europe and the U.S. AC power had an advantage in that transformers, installed at power stations, could be used to raise the voltage from the generators, and transformers at local substations could reduce voltage to supply loads. Increasing the voltage reduced the current in the transmission and distribution lines and hence the size of conductors and distribution losses. This made it more economical to distribute power over long distances. Generators (such as hydroelectric sites) could be located far from the loads. AC and DC competed for a while, during a period called the War of Currents. The DC system was able to claim slightly greater safety, but this difference was not great enough to overwhelm the enormous technical and economic advantages of alternating current which eventually won out.[1]
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