Just as impressive: Its overall J.D. Power score for customer satisfaction. The 1,000 point score considers price, communications, corporate citizenship, enrollment and renewal, and customer service. At 709, Green Mountain Energy scored the highest of all Pennsylvania companies, well above the 669 state average, and a solid 20 points ahead of the next closest provider we looked at — Constellation.

*Save Over £390 - Over 10% of the estimated quotations raised by users of the Simply Switch Website to switch their gas and electricity suppliers between 01/02/2015 - 01/06/2015 produced a predicted annual saving of £390 or more. Current combined spend for gas and electricity of between £84 and £6869. Savings may have included Direct Debit and online discounts. Energy prices vary by usage and postcode.
If you’re on a fixed rate tariff with your current supplier, check to see if there’s an exit fee for leaving the contract early. If there is, you’ll need to factor this cost into your price comparison as it could swallow up some of the potential savings. If you can supply your tariff name when you get a quote, we can take your tariff into account when showing you the savings you could make.
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