The Gurukul, a school in Sector 20, has installed a 50 KW Solar Power Plant on the rooftop and is selling extra units produced to the government.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/solar-panels-set-power-panchkula-schools
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/haryana
[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/panchkula-d
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy