<![CDATA[Solar photovoltaic (PV) power and battery storage can reduce the use of fossil-derived electricity aboard short-sea ships, but their performance depends on deck area, weather, demand profiles, charging infrastructure and marine safety requirements. This article develops an evidence-informed conceptual architecture for Solar Energy Ships (SES) serving Indonesian archipelagic routes. Official Statistics Indonesia (BPS) Sea Transportation Statistics publications for 2021–2024 provide the traceable transport-data context, while peer-reviewed studies underpin the engineering approach. The proposed system combines a candidate 150–300 kWp PV array, lithium-iron-phosphate battery storage, DC conversion, maximum power point tracking (MPPT) and supervisory energy management. A transparent illustrative sensitivity calculation, assuming daily equivalent solar irradiation of 4–6 kWh/m² and a performance ratio of 0.75, gives 450–675 kWh/day for 150 kWp and 900–1,350 kWh/day for 300 kWp. These values are scenario calculations, not Indonesian route measurements. The original manuscript’s claims concerning 98.7% MPPT efficiency, 100% auxiliary-load coverage, emission reduction and payback cannot be confirmed without experimental logs and reproducible input data. The study therefore identifies a technically relevant research design and explicit requirements for future field validation rather than claiming measured SES effectiveness.]]>
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