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Manure's allure: Variation of the financial, environmental, and economic benefits from combined heat and power systems integrated with anaerobic digesters at hog farms across geographic and economic regions

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  • Mueller, Steffen

Abstract

Several studies have shown that anaerobic digesters integrated with combined heat and power systems (CHP/AD) are a financially attractive way to generate electricity, reduce odor, and improve nutrient management on hog farms; yet only very few systems have been installed to date. Employing published financial, economic, and environmental indicators, this study tests whether the benefits from CHP/AD identified in these studies can be replicated across all major hog-farming regions in the US. The study finds that a modest support of 1 cent per kWh is needed to assure that CHP/AD generated electricity is competitive with current utility rates in many hog-farming states. However, the study also shows that once CHP/AD systems are promoted hog-farming states stand to reap large benefits from CHP/AD, particularly environmental benefits (such as odor control and emissions reductions), economic benefits (in form of job creation), and added generating capacity.

Suggested Citation

  • Mueller, Steffen, 2007. "Manure's allure: Variation of the financial, environmental, and economic benefits from combined heat and power systems integrated with anaerobic digesters at hog farms across geographic and economic r," Renewable Energy, Elsevier, vol. 32(2), pages 248-256.
    • Handle: RePEc:eee:renene:v:32:y:2007:i:2:p:248-256
    DOI: 10.1016/j.renene.2006.01.008
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    Cited by:

    1. Kang, Do Won & Kim, Tong Seop & Hur, Kwang Beom & Park, Jung Keuk, 2012. "The effect of firing biogas on the performance and operating characteristics of simple and recuperative cycle gas turbine combined heat and power systems," Applied Energy, Elsevier, vol. 93(C), pages 215-228.
    2. Yin, Yongjun & Chen, Shaoxu & Li, Xusheng & Jiang, Bo & Zhao, Joe RuHe & Nong, Guangzai, 2021. "Comparative analysis of different CHP systems using biogas for the cassava starch plants," Energy, Elsevier, vol. 232(C).

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