For many years, the biggest argument against solar power was the high cost of generation. Solar is not viable without government subsidies was the popular argument.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/will-solar-power-take-2016-or-have-developers-unwisely-quoted-low-tariffs
[2] http://admin.indiaenvironmentportal.org.in/category/author/sarita-c-singh
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/economic-times-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-policy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/power-industry
[8] http://admin.indiaenvironmentportal.org.in/thesaurus/jawaharlal-nehru-national-solar-mission-jnnsm
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/budget
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy