Are vacuum energy and vacuum fluctuations the same thing?

[KleinMoretti]

TL;DR Summary

what is the relationship between vacuum energy and vacuum fluctuation

are vacuum energy and vacuum fluctuations the same thing or is one the the consequence of the other, I understand they are related in some way but I don't know how.

 

[PeterDonis]

This Insights article (and the others that it refers to) might be helpful:

https://www.physicsforums.com/insights/vacuum-fluctuations-experimental-practice/