Shongtong‑Karcham Hydroelectric Project

Current Context : Himachal Pradesh Chief Minister Sukhvinder Singh Sukhu set November 2026 as the firm deadline for completing the 450 MW Shongtong‑Karcham run‑of‑river hydroelectric project on the Satluj River in Kinnaur district.

About Shongtong‑Karcham Project

• Type & Location: Run‑of‑river hydroelectric plant on the Satluj River, Kinnaur district, Himachal Pradesh.
• Capacity: 3 × 150 MW Francis turbines (total 450 MW); annual generation ~1,594
• Engineering Specs:
  • Gross head: 128.57 m; net head: 126.58
  • Penstocks: Three steel conduits, each 5.1 m in diameter, channel water from intake to turbines.
• Ownership & Execution: Himachal Pradesh Power Corporation Limited; Special Purpose Vehicle for project execution.
• Economic Impact: Expected annual revenue ~₹1,000 crore post‑commissioning; boosts state’s renewable portfolio.