India, Feb. 12 -- Despite interest and potential in the state, the target remains a tall order

Kerala has anywhere between 130 and 140 megawatt (MW) of solar photovoltaic (PV) installations, which includes big ticket projects like the Solar Energy Corporation of India (SECI)-owned 50 MW and Cochin airport's 40 MW.

But the relatively small state of Kerala is quickly running out of land, especially to accommodate the space-intensive solar technology. Installing a solar PV to generate a single kilowatt (kW) requires 10 square metres of land.

Upcoming large-scale projects are instead looking at floating, dam-top and canal-top installations, in an attempt to utilise all available space.

An easier alternative for the land-constrained state ...