The 2019 Energy Review identified street lighting as a significant user of energy for South Dublin County Council. Accounting for 44% of the Council's primary energy consumption, upgrading public lighting is key to the local authority achieving 2030 energy efficiency targets. Phase 1 of the 2014-2020 replacement programme has been completed. This saw 9,689 SOX lighting units replaced with more efficient LEDs. Phase 2 2020-2026 is currently underway.
Public lighting consists of over 30,000 lamps in charge. As of January 2022, 16,404 were upgraded to energy efficient LED's.