I found the old information at AUH:

However, I do not find any new information about the new terminal A

Abu Dhabi Airport Lockers

By Mirian / May 11, 2023Abu Dhabi International Airport is the second largest airport in the United Arab Emirates and serves as a hub for both domestic and international flights. Located just 30 km east of Abu Dhabi city, the airport is well-connected to the rest of the country and beyond.

If you find yourself with some extra time to explore the city or need a place to store your luggage, the airport provides secure lockers for short- or long-term storage. These lockers are available 24/7, so you can store your bags and enjoy your time in Abu Dhabi without the burden of carrying them around.

Location 1

Terminal 1, Arrivals Hall

Price

• Small
  • AED 10.50 for 3 hrs
  • AED 21 for 24 hrs
  • AED 10.50 each additional 24 hours
• Regular
  • AED 15.75 for 3 hrs
  • AED 31.50 for 24 hrs
  • AED 10.50 each additional 24 hours

Location 2

Terminal 3, Arrivals Hall

Price

• Small
  • AED 10.50 for 3 hrs
  • AED 21 for 24 hrs
  • AED 10.50 for each additional 24 hours
• Regular
  • AED 15.75 for 3 hrs
  • AED 31.50 for 24 hrs
  • AED 10.50 for each additional 24 hours

Are there lockers at Abu Dhabi Airport?Yes, there are lockers at Abu Dhabi Airport. They are located at Terminals 1 and 3, Arrival Hall. The price starts at AED 10.50 for 3 hours for the small bag.