New Delhi, Feb 15 (ANI): Prime Minister Narendra Modi on Sunday said he was confident that solar energy will become economically viable in the coming days. Modi was speaking at the inauguration of the first Renewable Energy Global Investors Meet and Expo, RE-Invest 2015. The Prime Minister said lakhs of families are still deprived of energy and we must use our resources to the optimum level. Talking about the issue of climate change, Prime Minister Modi said that due to lifestyle changes we are utilising the future generations' share of resources. The Prime Minister also stressed that India can show the ways of protecting humankind from the effects of global warming. The Re-invest 2015 Expo seeks to evolve innovative financial models for funding and aims to promote the partnership between the states and the Centre in harnessing renewable energy.