chennai with barriers in place to generate and consume solar power installing rooftop solar system and opting for group captive power purchase system are the viable options for micro small and medium enterprises msme sector provided certain charges currently levied are moderated said senior advocate rahul balaji who specialises in energy related disputeshe was addressing a gathering comprising representatives of msmes at a workshop on solar energy for msmes in tamil nadu organised by the madras chamber of commerce and industry and auroville consulting along with world resource institute wri with exorbitant open access charges and cross subsidy surcharges levied by tangedco it is hard for msme to see benefits in setting up solar plants for captive consumption he saidthe workshop had a session on envisioning green open access for tn where panelists suggested the enabling factors for growth of solar in msme sector