This research undertook the mission of addressing the energy requirements of a micro-scale vending shop located in West Jakarta. The core objective was to design, implement, and evaluate an off-grid solar power system integrated into the shop's structure, with a particular focus on lighting during night operations. Over a span of seven days in November 2021, the system's performance and efficiency were systematically assessed. The solar irradiation measurements indicated a favorable solar resource, slightly surpassing predictions. However, the daily efficiency of the solar panel system, hovering between 8.2% to 8.9%, highlighted the influence of temporal and shading factors. Despite the economic challenge posed by the Levelized Cost of Energy (LCOE) at 2,781 IDR/kWh, this solar PV system demonstrated its potential by significantly reducing greenhouse gas emissions, estimated at approximately 459 Kg CO2/year. This research contributes essential insights into the dynamics of building-integrated solar systems, providing a path toward cleaner, sustainable energy solutions, albeit with economic considerations.
Sudarma et al. (Wed,) studied this question.