Sustainable Generative AI Governance provides a structured approach to effectively navigate ethical, secure, and sustainable generative AI usage within an enterprise. It leverages a model that applies policy, risk, compliance, and operations to ensure that generative AI is transparent, accountable, and responsible. Fostering a generative AI ecosystem that adheres to key pillars of sustainability, such as fairness, data, environment, and regulatory elements, can ensure that generative AI is scaled successfully within an enterprise. Sustainable generative AI governance promotes effective generative AI usage, innovation, and productivity, while sustaining trust, security, and sustainable growth.