In my earlier post M&V Overview, I discussed that I would be creating posts centered around each of the M&V approaches. In this post, I will be writing an in depth review of Option A Measurement and Verification (M&V). You can expect to learn the following from this post. The layout of this post is going to be very similar to the other M&V posts, as it is my goal to give you an in-depth review of the four M&V methods to aid you in selecting the appropriate approach: