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Economics of Electricity Self-Generation by Industrial Firms

Kenneth Rose and John F. McDonald

Year: 1991
Volume: Volume 12
Number: Number 2
DOI: 10.5547/ISSN0195-6574-EJ-Vol12-No2-4
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Abstract:
This study develops, and econometrically tests, a model explaining the relative importance of several key economic and engineering factors that industrial firms consider when deciding whether to self-generate or cogenerate electricity. The model and empirical results (based on data from the chemical and paper industries) suggest that industrial self-generation is determined by the derived demand for electricity, price of purchased electricity, and marginal cost of self-generation. The buyback rate was found to be important only when certain economic and engineering conditions are met -- such as a relatively low marginal cost and/or a sufficiently high buyback rate. The evidence presented suggests that for most (inns the buyback rate plays no role in determining the quantity of electricity demanded or produced. The results indicate that policy actions related to industrial cogeneration should focus on the price of electricity and factors that affect the plant's marginal cost of producing electricity.



Self-Generation and Households' Willingness to Pay for Reliable Electricity Service in Nigeria

Musiliu O. Oseni

Year: 2017
Volume: Volume 38
Number: Number 4
DOI: 10.5547/01956574.38.4.mose
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Abstract:
Many households in developing countries often engage in self-generation to mitigate the impacts of poor public electricity provision. What is less well known, however, is whether (and how) self-generation influences households' willingness to pay (WTP) for service reliability. Using data collected from a sample of Nigerian households, the results reveal that engagement in self-generation is positively correlated with WTP for reliability. This is despite the fact that self-generation reduces the negative welfare impact of unreliability. Further analyses, however, show that backup households' decisions to pay a higher amount than non-backup households are influenced by the costs of self-generation: an increase of N1 (US$0.006) in self-generation's fuel cost per-hour is associated with WTP about N5.22 (US$0.032) more in the monthly bill. However, households' WTP US$0.15-0.16/kWh of improved reliability is smaller than the marginal costs of reliability from self-generation - US$0.27-0.41/kWh. We conclude by discussing the policy implications of our findings.





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