Commercial buildings achieve top Estidama rating with major energy and water savings Last updated: May 14, 2026 | 11:06 New offices cut energy use by 91% and set a benchmark for smart urban development. Masdar Masdar City has announced that its M19 A&B Office Buildings have become the first commercial office development in the UAE to achieve a 5 Pearl Estidama rating. The announcement was made at the conclusion of the Abu Dhabi Infrastructure Summit, marking a major milestone in sustainable urban development in the country. Get updated faster and for  FREE:  Download   the Gulf News   app now -   simply   click here . The 5 Pearl rating is the highest level under Abu Dhabi’s Estidama Pearl Rating System and recognises projects that achieve high standards in sustainability, energy efficiency, water conservation and environmental performance.…