Green Tech Energy Insiders Podcast: Renewable energy barriers and curtailment – GWC Mag gwcmagFebruary 7, 2024034 views David Leitch is a regular contributor to Renew Economy and co-host of the weekly Energy Insiders podcast. He is principal at ITK, specialising in analysis of electricity, gas and decarbonisation drawn from 33 years experience in stockbroking research & analysis for UBS, JPMorgan and predecessor firms.