Package 01/Bh-2026: Insurance During Construction Of Projects: Replacement Of Governor And Excitation Systems At A Roang Hydropower Plant; Replacing The Speed Regulation System And Self-Powered Ac And Dc Electrical Systems At Dray H'Linh B1 Hydropower Plant; Replacing 35Kv Substation Equipment That Does Not Ensure Operation At An Diem And Ry Ninh Hydropower Plants; Upgrading And Renovating The Surface Water Drainage System At The Central Electricity Solar Power Plant