Abstract
Energy efficiency is a foundation of any good energy policy. The economic, security, and environmental benefits of energy efficiency have been recognized for decades. We explore energy efficiency investments derived from survey work in developing countries in 119 projects across nine manufacturing subsectors. The methodology utilizes financial return calculations to highlight gaps and opportunities for meeting the potential of energy efficiency projects in the manufacturing sector. We find a generally very high level of internal rates of return at a project level—with payback periods ranging from 0.9 to 2.9 years; but note that these metrics do not always appropriately influence corporate decision-making for a number of well-understood reasons.
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Notes
The sample includes firms from different industries: food manufacturing, building materials, steel manufacturing, paper manufacturing, chemicals manufacturing, and textile manufacturing.
Follow-up phone and face-to-face interviews were conducted with selected firms to deepen the understanding of their investment decision-making and EE operations.
Investments in EE projects totaled US$613.7 million, and individual investments ranged from US$100 to 73 million (UNIDO 2011).
Profitability is in the study proxied by a standard measure of price–cost margin, defined as value added net of labor costs over total production.
World Bank enterprise surveys are conducted regularly in a large number of developing countries. Details of the database are available at www.enterprisesurveys.org/.
Firm level variables included age, number of workers, value of investment in equipment, ownership (foreign or domestic) and whether the company exported or had ISO 90000 certification for good management practices (Cantore and Cali 2011).
A significance level of 5 % is accepted as the highest level where the null hypothesis is still rejected.
Cantore and Cali (2011) takes this as evidence of a no-trade off relationship between the adoption of energy saving technologies and profitability irrespective of the country’s average adoption rate of energy saving techniques in firms. A comprehensive debate on the optimal timing of the adoption of new technologies exists in the economic literature (see, e.g., Choi 1994; Farrell and Saloner 1986; Koski and Nijkamp 2000).
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Alcorta, L., Bazilian, M., De Simone, G. et al. Return on investment from industrial energy efficiency: evidence from developing countries. Energy Efficiency 7, 43–53 (2014). https://doi.org/10.1007/s12053-013-9198-6
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DOI: https://doi.org/10.1007/s12053-013-9198-6