What is 𝐋𝐢𝐟𝐞 𝐂𝐲𝐜𝐥𝐞 𝐂𝐨𝐬𝐭𝐢𝐧𝐠 (LCC) and how is it done? When people think of LCC, most believe it is an exercise of expressing #LCA results in monetary terms, which is incorrect. That is still an LCA, simply using a different single-score results method. See Environmental Prices and Eco-Costs methods. Life-Cycle Costing aims to cost a product/service, or project over its Life Cycle, aiming to maximize the return over its total life while minimizing costs. LCC has its own methodology, which has three ramifications, depending on the study's goal. To avoid difficulties in LCC, there is the option of performing what is called simplified LCC: 𝘔𝘢𝘳𝘬𝘦𝘵 𝘗𝘳𝘪𝘤𝘦 + 𝘞𝘢𝘴𝘵𝘦 𝘋𝘪𝘴𝘱𝘰𝘴𝘢𝘭 = 𝘓𝘪𝘧𝘦 𝘊𝘺𝘤𝘭𝘦 𝘊𝘰𝘴𝘵 However, a comprehensive LCC can be presented in many forms, depending on the type, cut-off criteria, cost categories, perspective, and ultimately, the study's goal. It usually consists of the following costs: research and development, raw materials, production, packaging, transport, use and maintenance, and waste disposal/treatment. The 3 LCC approaches: Conventional-LCC: typically focuses on costs borne by the primary producer or product user, often excluding EoL scenarios and other life cycle stages, thus limiting its compatibility with comprehensive environmental appraisal methodologies like LCA. E-LCC: the closest to environmental LCA. It follows the exact system boundaries and approach as LCA. Instead of using datasets in an LCA database, it simply uses the costs associated with the flows within the studied system (materials, energy services, waste production, etc.). The ideal option is to present together with LCA results to identify environmental and cost hotspots in the life cycle of a product, organisation, or service. Societal-LCC: as developed for cost–benefit analysis (CBA), uses an expanded macroeconomic system and includes a larger set of costs, including those that will be, or could be, relevant in the long term for all stakeholders directly affected and for all indirectly affected through externalities (direct and indirect cost covered by society). S-LCC includes the (not necessarily) monetized environmental effects of the investigated product, as may be based on a complementary LCA. The same case considerations regarding the C-LCC apply to S-LCC; however, the additional damage cost is included in the evaluation of overall cash flows, due to the assumption of “willing to pay” for the social impact. For example, as part of its #CSR, a company decides to absorb (internalise) the damage costs (different from abatement costs) calculated from its carbon emissions. In other words, governments try to do this with carbon taxes. To summarise, LCC is a perfect complement to LCA, especially at the early stage, in supporting investment decisions as part of TEA.
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