Abstract Offshore oil and gas platforms have very high-power demands that are usually met locally by using gas turbines. Nowadays, the industry is seeking for environmentally friendly alternatives to power supply those facilities, such as by means of marine renewable energy. Motivated by economic and environmental aspects, this paper addresses the value proposition and investigates the feasibility of implementing combined wave and solar systems for power supplying offshore oil and gas platforms. Three locations where relevant offshore petroleum activities are currently ongoing were selected as case studies and a reference oil and gas platform was assumed. At each case study location, four wave energy converters and one photovoltaic technology were analysed for three scenarios: wave power only, solar power only and both resources combined. The methodology applied, generalizable to other regions with petroleum activities and relevant wave and solar energy resources, consists in scaling the wave energy converters to match wave climate at site, maximizing their energy production, followed by an economic feasibility analysis. Results show that for all sites the combination of both renewable resources increases electricity production, reduces the intra-annual variability of energy production and intermittency issues, increases capacity factors up to 24% and consequently avoids overdesign. The obtained levelized cost of energy is in the range 131–263 €/MWh and the reduction in emissions was estimated at circa 281,915 ton/year at each site, which demonstrates the feasibility and interest of providing electricity from these combined systems to offshore oil and gas platforms. The proposed solution provides benefits that could lead to further decreases in the levelized cost of energy, enabling the entrance to new markets for both wave and solar energy, while facilitating the transition to a more sustainable energy mix. Hence, the further technology development is advocated.

中文翻译：

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评估结合波浪能和太阳能资源为全球海上石油和天然气平台供电的潜力

摘要 海上石油和天然气平台具有非常高的功率需求，通常通过使用燃气轮机在本地满足。如今，该行业正在寻求环保的替代方案来为这些设施供电，例如通过海洋可再生能源。出于经济和环境方面的考虑，本文提出了价值主张，并研究了实施波浪和太阳能联合系统为海上石油和天然气平台供电的可行性。选择了目前正在进行相关海上石油活动的三个地点作为案例研究，并假设了一个参考石油和天然气平台。在每个案例研究地点，针对三种情景分析了四种波浪能转换器和一种光伏技术：仅波浪能、仅太阳能和两种资源相结合。所应用的方法可推广到其他有石油活动和相关波浪能和太阳能资源的地区，包括缩放波浪能转换器以匹配现场的波浪气候，最大化其能源生产，然后进行经济可行性分析。结果表明，对于所有站点，两种可再生资源的结合增加了电力生产，减少了能源生产和间歇性问题的年内变化，将容量系数提高了 24%，从而避免了过度设计。获得的平准化能源成本在 131-263 欧元/兆瓦时之间，每个地点的排放减少量估计约为 281,915 吨/年，这表明从这些联合系统向海上石油和石油公司提供电力的可行性和利益。气体平台。提议的解决方案提供的好处可能会进一步降低能源的平准化成本，从而使波浪能和太阳能进入新市场，同时促进向更可持续的能源组合过渡。因此，提倡进一步的技术发展。