EESL to install 23.4 lakh smart prepaid meters in Bihar This is the first time that smart prepaid meters are being installed at this scale, and are set to have a transformative impact on the state's energy landscape, EESL said in a statement PTI | January 30, 2021 | Updated 19:05 IST EESL's smart metering initiative is revamping the current manual system of revenue collection State-owned Energy Efficiency Services Ltd (EESL) has entered into agreements with two Bihar utilities for installation of 23.4 lakh smart prepaid meters in Bihar. This is the first time that smart prepaid meters are being installed at this scale, and are set to have a transformative impact on the state's energy landscape, EESL said in a statement.