Amazon EC2 expands Hibernation support for Windows Server including: Windows Server 2012, Windows Server 2012 R2, Windows Server 2016 and Windows Server 2019. You can now hibernate newly launched EC2 Instances running Windows Server, in addition to Amazon Linux, Amazon Linux 2 and Ubuntu 18.04 LTS OS.

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/10/amazon-ec2-hibernation-now-available-on-windows/