About Green Star Energy

Green Star Energy, formerly known as Pioneer Energy, is new to the energy market having launched in July 2013, and supplies gas and electricity to residential customers in the UK. It is part of the Just Energy Group - a provider of energy solutions to residential and commercial customers across Canada and North America.

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Contact Green Star Energy

New and existing customers - 0800 012 4510

Contact Which? Switch by phone

You can call us on 0800 410 1149 or 01259 220 235.

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Energy Customer Satisfaction Results

Tired of poor customer service from your energy supplier? The results o four 2018 Which? energy satisfaciton survey reveal how customers rate 31 gas and electricity suppliers in Great Britain. Use them to help find the best energy company for you.

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Tariff updates are provided by Energylinx. Energylinx is fully accredited to the Confidence Code to compare energy for domestic consumers.

About Which? Switch

Which? Switch provides consumers with a transparent and impartial way to compare energy tariffs and find the best gas and electricity provider for your needs.

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