EC2 charged much higher than when active

Question

I deleted or deactivated all resources on April 28.  I found some amount of cost - 3~4 times higher than when active - charged. I checked again and I have no instances in any region and run AWSSupport-ListEC2Resources only to get 'no resources found'. I found out that one elastic ip is alive and guess that's why I am billed. What I really don't get is that ec2 cost is skyrocketing when I used EC2 instances. Why is it charged much higher than with instances? I'm still in free tier. How can i terminate it clearly and close my account?
![Enter image description here](/media/postImages/original/IMsiBJ-iaTT2aQIjwMsIJInw)

Accepted Answer

Elastic IP will incur a fee if it is not attached to EC2, as described in the following document.  
https://repost.aws/knowledge-center/elastic-ip-charges

Elastic IP rates are listed below.  
0.005 dollars per hour is being generated.  
https://aws.amazon.com/ec2/pricing/on-demand/?nc1=h_ls#Elastic_IP_Addresses

As per the following document, you can eliminate the charge by checking for active services and removing them if necessary.  
https://repost.aws/knowledge-center/check-for-active-resources

Answer

Agree with Riku Kobayashi. EIP incurs charge when it's not attached to any instance. If you are ready to close the account, consider using [https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/automate-deletion-of-aws-resources-by-using-aws-nuke.html] to restore the account to essentially a "Day 1" state.

EC2 charged much higher than when active

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