Evaluating the Performance of LSTM in Photovoltaic Energy Optimization using Sunshine Duration Prediction Wulan Kusuma Wardani, Ririn Andriyani Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Vol. 10 No. 3 2025 DOI 10.33772/jfe.v10i3.1001