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.
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.

Keeping on top:  With deregulation, a whole host of electric resellers jumped into the market because there’s a whole lot of electricity to sell:  if Texas were a country, it’d be the 11th largest electricity consumer in the world!  Just by itself, it uses as much electricity as Spain or Great Britain!  That means there’s a whole lot of information you have to find, absorb, and process to make sure you’re getting the best rate for your needs.
In deregulated states, electricity providers simply can't do business like that because consumers like you are demanding energy from renewable sources. Threats of global warming are too terrible to be irresponsible with our energy sources anymore. As a result, each electric company is pushing forward to find renewable energy sources that are cheaper, cleaner, and more reliable than older forms of energy.
Oncor, the state’s largest distribution utility which covers Dallas, Fort Worth and much of North Texas, has already agreed to pass all of the millions of dollars of expected tax savings along to consumers.  Oncor agreed to pass the savings along to customers as part of a rate review which is a formal process in which the PUC reviews the appropriateness of rates being charged by the utility.  No exact details have been determined with respect to how the savings will be passed along. The rate review was actually completed before the tax reform bill was passed but there was a commitment in principle to passing along the savings.  It’s not yet know exactly how much Oncor will save from the lower corporate tax rates but with a $245 million tax bill in 2017 future saving are likely to be in the tens of millions of dollars.

In Pennsylvania, you can choose your electricity and natural gas plan and supplier. More than 2.1 million households and over 250,000 businesses in the state already have made the switch. Now there's reason for more customers to explore electricity deregulation - two PA utilities have asked the state's Public Utilities Commission for permission to raise energy rates for transmitting power to homes and business.

How did we get this number?This total is calculated by taking the wattage and daily usage of your common appliances and converting this into a monthly kilowatt per hour (kWh) usage rate. To figure out the estimated cost based on this rate, multiply your kWh per month by the cost of your energy (an average rate is $.12 per kWh). You can learn more about calculating your energy consumption by following the steps on this page.


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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