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program evaluators

efficiency

Fish Fried Conversations of Efficiency

By Energy Rant No Comments
As described last week, net savings and program attribution are measures of an efficiency program's influence on making a project happen for utility customers. There is a range of influence that energy savings has in motivating customers to do a project, and that range is 0% to 100%, while accurate attribution results may be 90% or better. The role of energy savings in a decision can be largely irrelevant in determining attribution. How? Non-energy benefits! The situation reminds me of fluid dynamics, a core course in mechanical engineering. There are major friction losses and minor friction losses. Major losses are…
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EE: LOOK and THINK!

By Energy Efficiency, Energy Rant No Comments
An overarching theme of the Energy Rant is that much energy policy has a feel-good foundation of fluff.  Last week I ranted about the feel-good dream of having plentiful, inexpensive renewable energy.  This will take a miracle because conventional sources are still huge and growing.  We have enough coal, natural gas, tar sands, oil shale, and offshore energy to last beyond our kids’ great grandchildren.  Of course most readers of this are champions of energy efficiency, but energy efficiency also has too much feel-good fluff. Consider compact fluorescent lights, which despite my rant about it’s mandate a few weeks ago…
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