Science, Discovery, Tech and Environment · 20 July 2026

India commissions first geothermal wells in Puga Valley of Ladakh

Exam-focused facts from the 20 July 2026 current affairs briefing.

Key facts

  • Lieutenant Governor VK Saxena commissioned India's first two geothermal wells at Puga Valley in Ladakh on July 17, 2026.
  • The wells were drilled by ONGC Energy Centre to a target depth of 1,000 metres each, with the first completed on May 22, 2026, and the second on July 8, 2026.
  • A maximum temperature of 135 degrees Celsius was recorded at a depth of 400 metres during drilling.
  • The wells are critical for India's first 1 MW pilot geothermal power project at Puga, intended as a demonstration-scale project.
  • The project was executed in one of the world's most challenging operating environments, featuring extreme weather, rugged terrain, and a limited annual working season.