Editorial photo #13829755 Economy, Business and Finance
Krakow Balice International Airport, Poland.
A TLD Ground Power Unit is connected to an aircraft at Krakow Balice International Airport in Krakow, Poland, on June 11, 2026. The GPU supplies electrical power to the airplane while it is parked on the apron, allowing onboard systems to operate without running the plane engines. (Photo by Marcin Golba/NurPhoto)