Stay: 'Competition helps keep costs of energy down'
Hayden Wood, co-founder of Bulb, wants to make renewable energy something everybody can afford.
Bulb is based in a co-working space in East London with eight members of staff. It buys hydro electricity from independent producers in Wales and Scotland.
Does Mr Wood think his company would be better off in or out of the EU?
You can find more from our series 'EU: Business talks' here