The International Renewable Energy Agency (IRENA) has released a report focusing on the significance of green hydrogen auctions in advancing sustainable energy transitions. Green hydrogen, produced through renewable electricity-powered electrolysis, is seen as a key player in decarbonizing industries that are challenging to transition to clean energy. The report emphasizes auctions as a means to drive transparent and competitive pricing in the green hydrogen market, addressing obstacles like high production costs and limited infrastructure. IRENA's guide outlines four auction types to meet different support needs, ranging from scaling production capacity to stimulating market demand and supporting both producers and consumers simultaneously. Policymakers are encouraged to utilize these auction mechanisms based on specific goals, such as reducing emissions, boosting local industries, or promoting international trade. The report underscores the importance of aligning auctions with broader policy objectives, including climate targets, energy security, and economic diversification through green hydrogen exports. It also addresses challenges in auction designs, such as ensuring competition, lowering entry barriers for small players, and integrating auctions with other support mechanisms. IRENA advocates for the integration of auctions within comprehensive policy frameworks that encompass capital subsidies, tax incentives, and international collaborations. This holistic approach is deemed crucial for fostering the growth of the green hydrogen sector and ensuring global market alignment. Ultimately, the report highlights that well-structured auctions, supported by clear regulatory frameworks, are essential for driving the transition towards a sustainable energy landscape with economic and environmental benefits.