In news which could interest other organisation looking to reduce their energy bills through eco-measures, the charity has both lowered it annual statements and displaced an estimated 56 tonnes of carbon emissions each year.
Tom Jenkin-Jones, community relation executive at E.ON, said the firm was "delighted" to help the charity's dedication to sustainable living.
He added: "With the new system not only are they reducing their impact on the environment, they're also saving cash in fuel costs too, which is a definite win-win for everyone."
E.ON recently announced it was looking to reduce its energy prices for both business and residential customers if wholesale international electricity and gas prices continue to fall.
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