Brazil has established regulatory foundations for its low-carbon hydrogen sector through a presidential decree operationalizing certification, governance and fiscal incentives, yet the viability of $290 billion in proposed projects across 18 states hinges on resolving demand mechanisms, energy price predictability and policy stability. The Brazilian Green Hydrogen Industry Association identifies 12 projects targeting final investment decisions by 2030, representing 115 billion reais ($22 billion) and 10.4 GW of combined electrolysis capacity, while only two commercial-scale plants currently operate.