Convergence Energy Services Limited (CESL), a wholly-owned subsidiary of Energy Efficiency Services Limited (EESL), has invited e-bids for setting up a 242 kW (tentative) solar carport and rooftop solar system with a 762 kWh (tentative) lithium-based battery energy storage system (BESS), including five years of operation and maintenance (O&M) at Leh, Ladakh.