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Zheng, L. Energy Conservation. Encyclopedia. Available online: https://encyclopedia.pub/entry/60347 (accessed on 09 October 2026).
Zheng L. Energy Conservation. Encyclopedia. Available at: https://encyclopedia.pub/entry/60347. Accessed October 09, 2026.
Zheng, Lionel. "Energy Conservation" Encyclopedia, https://encyclopedia.pub/entry/60347 (accessed October 09, 2026).
Zheng, L. (2026, September 23). Energy Conservation. In Encyclopedia. https://encyclopedia.pub/entry/60347
Zheng, Lionel. "Energy Conservation." Encyclopedia. Web. 23 September, 2026.
Energy Conservation
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Energy conservation refers to the systematic reduction of energy demand through the optimization of energy services, processes, and consumption patterns without degrading the quality of delivered end-use functions. It encompasses the behavioral, operational, and technical measures that lower the quantity of energy required to satisfy a given service, distinguishing itself from energy efficiency, which is the ratio of useful output to energy input [1]. The concept is grounded in the principle that reducing unnecessary energy consumption directly diminishes the primary energy supply required, thereby lowering resource depletion and associated emissions. Energy conservation operates through demand-side management, which involves monitoring, controlling, and reducing energy use in buildings, industrial systems, transportation, and appliances [2]. It is typically implemented via energy management systems that establish baselines, identify conservation opportunities, and verify savings through continuous measurement and verification protocols. The conceptual framework treats energy as a finite resource whose value is determined by its marginal utility relative to alternative uses, and conservation measures are evaluated against energy cost, capital investment, and payback period criteria [3].

energy conservation demand-side management energy efficiency energy management

References

  1. IEA. Energy Efficiency 2019; IEA: Paris, France, 2019. https://www.iea.org/reports/energy-efficiency-2019.
  2. ISO 50001:2018. Energy Management Systems — Requirements with Guidance for Use; ISO: Geneva, Switzerland, 2018. https://www.iso.org/standard/69426.html.
  3. Donella H. Meadows; Dennis L. Meadows; Jørgen Randers; William W. Behrens. The Limits to Growth: A report for the Club of Rome's Project on the Predicament of Mankind; Dartmouth College Library Press: Hanover, NH, United States, 1972. [CrossRef]
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Subjects: Energy & Fuels
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register : Eng Editorial Office
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Entry Collection: Eng
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Update Date: 23 Sep 2026
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