Picking the Low- -Hanging Fruit: Hanging Fruit: Picking the Low - PowerPoint PPT Presentation

Picking the Low- -Hanging Fruit: Hanging Fruit: Picking the Low Saving Money and Energy? Energy? Saving Money and Robert K. Kaufmann Disrupting the Status Quo in Electric Energy Management: A Systems Approach to a Sustainable Energy Future May 21, 2009 http://www.bu.edu/cees/people/faculty/kaufmann/index.html

Opportunities to Save Energy & Opportunities to Save Energy & Carbon Carbon

Cambridge Cambridge Housing Housing Authority Authority

Savings Savings Building ∆ Energy Use ∆ Energy Cost ∆ CO 2 Emissions BTU’s/HDD $/HDD Kg CO 2 /HDD Millers -0.913*10 6 - 37.15 -171.84 Burns (Heating) 0.634*10 6 - 62.97 -194.62 Burns (Windows) 1.77*10 6 - 17.42 -2.59

What Happens to Energy Prices? What Happens to Energy Prices? 20 0.17 0.16 18 0.15 16 0.14 Dollars per Kilowatt-Hr Dollars per TCF 0.13 14 0.12 12 0.11 0.1 10 0.09 8 0.08 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

Rates of Return Rates of Return 35 Annual Rate of Return 30 Ex post Burns Heating system 25 20 Ex ante 15 Millers Heating System 10 Ex post Ex ante 5 Burns Windows Ex post Ex ante 0 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015