In this episode, we look at the world of green energy certificates, which is getting more complex. Many companies and individuals on green energy tariffs want reassurance that they use 100% renewable energy, but with the current methods of matching supply and demand over a 12-month period this is not possible. Jon is joined by Toby Ferenczi, who is the founder of EnergyTag and co-founder and CEO of Granular Energy. The EnergyTag Initiative is an independent, non-profit, industry-led initiative to define and build a market for Granular Certificates that enables energy users to verify the source of their electricity in real-time.