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.

It is unlikely that you’ll see any change at all. You will be receiving the same electricity as you always have been, just from a different company. The only difference you definitely will see will be smaller charges for your electricity. By using our price comparison service you’ll be able to cut costs to your energy tariffs and save more money on electricity and gas.
Yes, we're the best at comparing energy prices, but don't just take our word for it. Since 2006 uSwitch has been fully accredited by the Ofgem Confidence Code. With many energy comparison sites to choose from, uSwitch has been one of the longest standing signatories to the Ofgem code, and a primary contributor to achieving gas and electricity pricing transparency.
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.
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