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Cumulative 2010 present value of capital investment and fuel savings


Increased adoption of energy-efficient technologies and combined heat and power (CHP) saves $0.95 trillion of energy costs during 2010–50 for an investment of $0.28 trillion,, creating $0.66 trillion in net wealth.

A 3%/y real discount rate was used to calculate net present value. However, all measures were screened using a 12%/y real hurdle rate.


RMI analysis based on

A. U.S. Department of Energy. “Annual Energy Outlook 2010 Energy Prices by Sector and Source, United States, Reference Case.” U.S. Department of Energy. link

B. Xu, Tengfang, J. Slaa, and J. Sathaye. 2010. Characterizing Costs and Savings Benefits from a Selection of Energy Efficient Emerging Technologies in the United States. Lawrence Berkeley National Laboratory. link

C. Martin, N., E. Worrell, M. Ruth, L. Price, R. Elliott, and A. Shipley. 2000. Emerging Energy-Efficient Industrial Technologies. Lawrence Berkeley National Laboratory. link

D. Bailey, Owen, and Ernst Worrell. 2005. Clean Energy Technologies: A Preliminary Inventory of the Potential for Electricity Generation. Lawrence Berkeley National Laboratory, April. link