Even though customers in deregulated cities routinely pay more for electricity, there is a bright spot. The gap between the average price paid for electricity between deregulated cities like Houston and regulated cities like San Antonio have dwindled to the narrowest point ever to 8.8 percent. Back in 2006, customers in deregulated cities were paying nearly 47 percent more for electricity than their counterparts in regulated cities.
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]
Variable rate plans are always month-to-month, save for three-month intro specials in which your rate stays the same for those early months. Fixed rate plans, on the other hand, are available for periods ranging from six to 36 months. The contract lengths, and how that length influences the price per kWh rate, varies enormously from company to company. Some companies offer lower rates when you enroll for longer periods. Others raise the rate slightly. The competing rationale: You will be paying them for longer so you get a break, or you have that price locked in when energy rates inevitably rise. One rule of thumb — the longer the contract, the higher the cancellation 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.

Ashburn Electric LLC is a full service electrical company that strives to provide expert advice, quality installations, and dependable service for all your electrical needs. We endeavor to establish a long professional relationship with every customer. Located in Ashburn, Virginia, we serve all of the following areas of Loudoun County, Virginia: Ashburn, Belmont, Brambleton, Broadlands, Dulles, Lansdowne, Leesburg, Potomac Falls, Potomac Green, River Creek, Sterling as well as Herndon and Reston in Fairfax County, Virginia.
Of course, choosing a new electricity supplier or natural gas supplier does not mean you are replacing your utility. Your utility will still deliver whatever energy supply you choose, safely and reliably. Since your utility company depends on where you live, you don't have to worry about choosing a utility company. In general, utilities are responsible for maintaining the energy infrastructure. If you experience a power outage or see a downed power line, call your utility company. These are listed in the Utility Companies column below.
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