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A comprehensive evaluation of factors affecting the levelized cost of wave energy conversion projects

机译：对影响波浪能转换项目平均成本的因素进行综合评估

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The primary objectives of this study are to evaluate the levelized cost of energy (LCOE) for different wave energy conversion strategies and to examine cost reduction pathways such that wave energy conversion projects are competitive, relative to alternative energy industries. The energy production of six different WEC devices was estimated for four sites along the U.S. Pacific coast. The LCOE of pilot-scale wave energy conversion projects was estimated to range between $0.07/kWh and $0.92/kWh higher than the target LCOE of those for early-market offshore wind energy projects. Device capacity factors were generally below the commonly assumed value of 30%. Methods of cost reduction to the target LCOE of $0.30/kWh were explored, including decreasing capital and operational expenditures (CAPEX and OPEX) and increasing annual energy production (AEP) through improvements in the wave energy resource and WEC and WEC array performance, and advanced controls. Results indicate that CAPEX and OPEX should be reduced by at least 45% and AEP should be increased by 200%. A reduction of CAPEX and OPEX by 75%, combined with array evaluation and control strategies capable of increasing AEP by 12%-55% could also result in LCOE for wave energy conversion projects of less than $0.30/kWh. (C) 2018 Elsevier Ltd. All rights reserved.
机译：这项研究的主要目标是评估不同波浪能转换策略的平均能源成本（LCOE），并研究降低成本的途径，以使波浪能转换项目相对于替代能源行业具有竞争力。在美国太平洋沿岸的四个地点，估计有六种不同的WEC设备产生的能量。试点规模波浪能转换项目的LCOE估计比早期市场海上风能项目的LCOE高0.07美元/千瓦时至0.92美元/千瓦时。设备容量系数通常低于通常假定的30％的值。探索了将成本降低至0.30美元/千瓦时的目标LCOE的方法，包括减少资本和运营支出（CAPEX和OPEX），以及通过改善波浪能资源以及WEC和WEC阵列性能来提高年度能源产量（AEP），控件。结果表明，CAPEX和OPEX至少应减少45％，AEP应增加200％。 CAPEX和OPEX降低75％，再加上能够将AEP提高12％-55％的阵列评估和控制策略，也可能导致波能转换项目的LCOE低于$ 0.30 / kWh。 （C）2018 Elsevier Ltd.保留所有权利。

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