No back up generator?? so many airports have had power out in the lat 12 months!

Power blackout closes Germany’s fifth-largest airport

Published time: 3 Jun, 2018 12:53

One of the busiest airports in Germany, Hamburg Airport, was closed due to a “power failure incident,” the transport hub said in a statement. The power outage began around 10am local time and staff are currently working to repair the systems. Passengers are asked to contact their airlines for information on flights.

https:// www.rt.com/newsline/428595-power-blackout-hamburg-airport/