Arun-3 Hydropower
Power Secretary reviewed SJVN’s 900 MW Arun-3 run-of-the-river hydropower project on the Arun River (Sankhuwasabha, eastern Nepal), a Koshi tributary. Key works: ~70 m concrete gravity dam, 11.74 km headrace tunnel, underground powerhouse (left bank) with 4×225 MW units. Cost >$1.6 bn; generation 4,018.87 million units/year; Nepal’s largest on completion. BOOT via SAPDC (GoI–Himachal JV): 5-year construction, 25-year operation, then transfer to Nepal; Nepal gets 21.9% free power; export Dhalkebar–Muzaffarpur.




