E2e, and I have no idea what that stands for, is a joint initiative of University of California-Berkeley, The University of Chicago, and Massachusetts Institute of Technology. Their charter is to assess and quantify the energy efficiency gap between estimated, or ex-ante savings, and observed or measured savings; kind of like the Energy Rant attempts to provide. In Kool-Aid and Happy Face Rugs, I first referenced one of their reports in which they critiqued WAP – the federal government’s weatherization assistance program. That paper indicated WAPs produce only 40% of claimed energy savings. The methodology caught a lot of flak…
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