ABSTRACT This study discusses the design of a Solar Power Plant (PLTS) to support the operation of fish ponds using a biofloc system in Kampung Pangan Madani. The system consists of five catfish ponds with a capacity of 1,000 fish each and one gourami pond with 250 fish, requiring a total daily energy consumption of 6.6 kWh. The analysis was conducted using PVSyst simulation software on three …