Maltby will enter the role with over a decade's experience. In 2007, he held the position of group director of the UK Commercial Bank of Lloyds Banking Group, before which, he was CEO of the Kensington Group for seven years.
Maltby, said, 'I am excited to be joining the board of what is an exciting and forward-thinking company.
'I believe it is important for companies and consumers to capitalise on the opportunities that are being offered in the environmental sector and Good Energy is at the forefront of delivering that. I look forward to working with the Board to enable Good Energy to unlock this potential.'
Juliet Davenport, CEO of Good Energy Group, added, 'John's wealth of experience in working with small businesses, as well as his reputation for delivering growth for the companies he has worked for, will be invaluable to us as Good Energy continues in its development.
'He recognises the value and benefits of renewable energy and businesses operating sustainably and I believe he will play an important role as we seek to expand our supply, FIT administration and generation business. We look forward to working with him.'