Where Did the Money Go? The Cost and Performance of the Largest Commercial Sector DSM Programs

Publication Type

Journal Article

Date Published

12/2000

Abstract

Spending on electricity energy-efficient programs was responsible for most of the growth (and decline), and almost all of the energy savings from U.S. utility demand-side management (DSM) programs between 1990 and 1998. As a result of restructuring, utilities may never again assume such an important role a result of restructuring, utilities may never again assume such an important role in promoting electricity energy efficiency in response to global environmental commitments, the potential of large-scale energy efficiency programs will likely be discussed. This article presents new information on a critical issue that will surely arise in these discussions: how much does it cost to save energy through programs that use monetary incentives and targeted information to influence individual customer decisions? We present findings from a detailed examination o the complete costs and measured energy savings from the largest commercial sector DSM programs operated by U.S. electric utilities in 1992. We extend the methodological considerations first identified by Joskow and Marron (1992) regarding differences among utility cost accounting conventions and savings evaluated methods. We quantify the impact of missing and incomplete data and, to the extent they can be assessed, demonstrate that our assumptions to address them are conservative in that they err on the side of overstating the apparent cost of saved energy. We find that programs, as a whole, have saved energy at a cost of 3.2₵/kWh. When compared to the cost of the energy they allowed the sponsoring utilities to avoid generating or purchasing (in the absence of these programs), we find that the programs, as a whole, are cost effective.

Journal

The Energy Journal

Volume

21

Year of Publication

2000

Notes

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Issue

2

Pagination

62

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