The transmission line will connect the Ladakh region with the country's northern grid and ultimately solve the electricity woes of the energy starved Leh and Kargil districts.
The prime minister will inaugurate the Chutak hydro-electric power project in Kargil and Nimoo Bazgo project in Leh district.
On his arrival here around 10 a.m. today, state governor, N.N.Vohra and the chief minister, Omar Abdullah are scheduled to receive the Prime Minister.
Union power minister Piyush Goyal and the national security advisor, Ajeet Kumar Doval are accompanying the prime minister.
BJP leaders Mukhtar Abbas Naqvi and Avinash Rai Sharma have been camping here for the last two days ahead of Modi's visit to overlook the arrangements for the Public meetings being addressed by him.
He is addressing a public rally in the local Polo Ground and also one in Kargil town later today.
Army chief Dalbir Singh Suhag is camping in Leh to receive the prime minister who is scheduled to address airmen and soldiers who guard the World's highest battlefield for the country.