Resources for the Resourceful – Utility Analysis Spreadsheet Tool

Linking to the Weather Data Depot in my previous
reminded me of another recently released free
resource.  Several months ago, the California Energy Commissiong
released the retrocommissioning toolkit on via the California Commissioning Collaboratives
website. The toolkit includes a number of useful tools, but the one
that came to mind in the context of the previous post is the
analysis tool
.  Here is a screen shot of the output
generated by the tool as used for a recent project.

The arrangement of the spreadsheet allows you to  plot a
normalized graph of average daily energy consumption almost faster
than I can type this.  You simply enter billing dates and the
consumption for the billing period and the spreadsheet takes care
of the normalization process, including filling in for missing
months.  Several years of data can be plotted for comparison
along with other data that you want to contrast with consumption
patterns.  In this case, I have plotted cooling degree
days. The degree data came from the Weather Data Depot site I
mentioned and was added to the chart using a table provided in the
spreadsheet for just such a use.  I could have also plotted
percent occupancy, rooms sold, central plant energy, or any other
monthly information that I had available for comparison using the
empty table.

The bottom line is that the tool make monitoring and analyzing
your facilities energy consumption patterns a matter of a few
simple key strokes.  For a discussion of ways to use this type
of analysis to target commissioning and efficiency
opportunities and help them persist, see Using
Utility Bills and Average Daily Energy Consumption to Target
Commissioning Efforts and Track Building
 which is also available on the
Commissioning Collaborative’s web site.

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