He was talking to reporters after showing installation of 5 KV solar energy panels at his residence here with an estimated cost of Rs 5 lakh.
Talking about the expense, the Minister said state government had given Rs 2 lakh as a subsidy for installation.
A 12 MW-capacity solar power unit has been installed at Kochi airport run by the Cochin International Airport Limited.
Similarly, solar unit has also been installed at the Delhi airport, he said, adding that he had asked other airports in the country to emulate this step.