Towards a sustainable energy balance: progressive efficiency and the return of energy conservation
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We argue that a primary focus on energy efficiency may not be sufficient to slow (and ultimately reverse) the growth in total energy consumption and carbon emissions. Instead, policy makers need to return to an earlier emphasis on “conservation,” with energy efficiency seen as a means rather than an end in itself. We briefly review the concept of “intensive” versus “extensive” variables (i.e., energy efficiency versus energy consumption) and why attention to both consumption and efficiency is essential for effective policy in a carbon- and oil-constrained world with increasingly brittle energy markets. To start, energy indicators and policy evaluation metrics need to reflect energy consumption, as well as efficiency. We introduce the concept of “progressive efficiency,” with the expected or required level of efficiency varying as a function of house size, appliance capacity, or more generally, the scale of energy services. We propose introducing progressive efficiency criteria first in consumer information programs (including appliance labeling categories) and then in voluntary rating and recognition programs such as ENERGY STAR. As acceptance grows, the concept could be extended to utility rebates, tax incentives, and ultimately to mandatory codes and standards. For these and other programs, incorporating criteria for consumption, as well as efficiency, offers a path for energy experts, policymakers, and the public to begin building consensus on energy policies that recognize the limits of resources and global carrying capacity. Ultimately, it is both necessary and, we believe, possible to manage energy consumption, not just efficiency, in order to achieve a sustainable energy balance. Along the way, we may find it possible to shift expectations away from perpetual growth and toward satisfaction with sufficiency.
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- Towards a sustainable energy balance: progressive efficiency and the return of energy conservation
Volume 1, Issue 3 , pp 175-188
- Cover Date
- Print ISSN
- Online ISSN
- Springer Netherlands
- Additional Links
- Energy consumption
- Energy conservation
- Energy efficiency
- Energy sufficiency
- Progressive efficiency
- Author Affiliations
- 1. Alliance to Save Energy, Washington, DC, USA
- 2. Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, Building 90 Room 3074, 1 Cyclotron Road, Berkeley, CA, USA
- 3. Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, USA
- 4. University of California Energy Institute, Berkeley, CA, USA
- 5. SenterNovem, The Hague, The Netherlands