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Achieving Low-Cost Solar PV: Industry Workshop Recommendations for Near-Term Balance of System Cost Reductions
글쓴이 관리자 (IP: *.176.22.203) 작성일 2018-04-01 22:45 조회수 26,125
1. 저자 : Lionel Bony, Stephen Doig, Chris Hart, Eric Maurer and Sam Newman(www.rmi.org)
2. 개요 : Solar photovoltaic (PV) electricity offers enormous potential to contribute to a low-carbon electrical system. However, costs must drop to fundamentally lower levels if this technology is to play a significant role in meeting U.S. energy needs. “Balance of system” (BoS) costs (all costs except the PV module) currently account for about half the installed cost of a commercial or utility PV system. Module price declines without corresponding reductions in BoS costs will hamper system cost competitiveness and adoption. This report summarizes near-term cost-reduction recommendations that emerged from Rocky Mountain Institute’s Solar PV Balance of System Design Charrette,1 an industry-wide event organized in June 2010.2 It focuses on BoS costs for rigid, rectangular modules installed in commercial and utility systems up to 20 MW capacity. The design strategies and recommendations in this report lay the foundations for near-term cost reductions of ~50% over current best practices. These reductions exceed current trajectories, and if implemented, can enable greater solar PV adoption. We hope this report will prove useful to a wide range of solar industry stakeholders and interested observers. In particular, our recommendations are targeted at equipment manufacturers, PV system installers, project developers, financiers, government program administrators, and potential new entrants. Beyond the near-term focus of this report, many diverse and potentially “game-changing” PV cells and module technologies are being developed and/ or launched. Some of these could prompt drastic cost reduction, but even if those technologies succeed, their ability to scale quickly is unknown so the country cannot wait for a technological breakthrough. Finally, it is important to recognize that solar PV is only one piece of a low-carbon energy system, which must include a portfolio of efficiency and clean technologies.
3. 출처 : www.rmi.org
파일 2010-20_BalanceOfSystemSummary.pdf(1.1M)