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Mark Sandles


Mark is an experienced investment professional and business entrepreneur with a long career in Wealth Management.

Before Co-founding Windel in 2018, Mark enjoyed a long career in Wealth Management concluding in 2013 when he sold his business. Having a passion for renewable energy, he transferred his skill set over into the emerging UK renewable energy investment sector. He has originated, developed and exited over 250MW of Solar PV projects and has been leading the origination of Windel’s current pipeline of over 1.5GW portfolio of Solar PV, 150MW of Wind and 3GW of Battery Energy Storage Systems. He continues to head up the early identification of opportunities to keep Windel at the leading edge of the market.

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Solar PV

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Battery Energy
Storage Systems

We actively seek potential sites for BESS across the UK and manage the process through design, planning, construction and finally, energisation.

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