Commissioned by Offshore Norway, Menon Economics has carried out an analysis of the current state of public support programmes for green technologies in the US, EU, UK and Norway. In this report we focus on the three industries hydrogen, carbon capture and storage (CCS) and offshore wind, all of which will play a crucial role in the green transition. For each of the industries, we assess the support mechanisms available in each market. Subsequently, we evaluate how these support mechanisms have so far influenced the flow of capital between the US, EU, UK and Norway in the three industries.