Did you know that there is a building in Berlin that fits the Brandenburg Gate? Since September 2008, there has been such a construction: the O₂ World. One of the most modern multi-functional arenas worldwide, in which sports, entertainment and concert highlights take place, is located between East Central Station (Ostbahnhof) and Warschauer Straße. Per event up to 17,000 people can experience entertainment at its highest quality – among them visitors in 59 Entertainment, Conference and Party Suites. The technical equipment of O₂ World not only ensures ideal acoustics and the perfect view from all seats but also transforms from a concert to a sporting event within a few hours.

Anschutz Entertainment Group is the client and operator of the O₂ World. The O₂ World is part of a far-reaching strategic, interactive and international partnership of Anschutz Entertainment Group and Telefónica O₂ Germany. The contract is signed for 15 years.

The O₂ World did set high standards to save energy and protect the environment. The facts in detail:

The Building:

• The thermal resistance values of roofs and walls more than meet the requirements of energy saving regulations, so that hardly any energy permeates the outer enclosing wall area.
• The window area is equipped with an anti-glare shield.
• An extensive green area on the roof of the arena binds a part of the released carbon dioxide.

Staff:

• Staff members and employees are trained in seminars on energy-saving behavior. It is our target to minimize energy consumption without affects on operating procedures.
  

Location:

• The O₂ World possesses an optimum access to public transportation.
• The “Warschauer Straße” Berlin subway stop along with the suburban railway and tramway is located in the immediate vicinity.
• The proximity of East Central Station provides connection to regional and nationwide rail transport.
• With the O₂ World levy the venue owns its private pier.
• 400 bicycle stands are positioned directly at the arena.
• On the area of the O₂ World the Deutsche Bahn AG (German Railways) offers a bike rental service. Bicycles can be rented at the O₂ World and returned to every railway station in Berlin.

Energy-saving Technology:

• The air conditioning systems are equipped with heat recovery. The exhaust air crosses the stream of the inflowing fresh air. An interchange takes place and the fresh air is pre-heated by the exhausting air.
• Water-saving flushes are installed in all toilets.
• A central control system allows an exact consumption control. Thus an energy optimized operation takes place.
  

Heat Supply:

• Three gas-powered boilers are operated in the O₂ World.
• The total output of the facility averages 5.5 MW
• The supply of the low temperature boiler takes place using a connection to the network of GASAG. The zamboni is also driven with GASAG natural gas.

Energy Supply:

• The electrical energy supply is realized through the 10kv – medium-voltage power grid of the local utility.
• Five 1,600 kVA transformers are used for the general supply and two come into operation for the stage supply.

Cooling Supply:

• A chiller with a performance of 828kW supports the cooling of the ice. Ammonia is used as refrigerant, which is compressed by three simultaneously working reciprocating compressors. The ice is cooled to a maximum of 16°C.
• The cooling serves the air conditioning plants as well as the after coolers inside the suites. The climate water with a temperature of 5°C / 7°C is compressed by two duo-screw-type compressor sets. Ammonia is used as refrigerant. The machine has a refrigerating capacity of 5,000 kW.
• Secondary coldness, the climate water (14°C / 20°C) powers the electronic operating rooms, offices and concessions. The ecologically compatible R407c is used as a refrigerant.
• The chill rooms and dispensing systems are refrigerated by several cooling systems that are remotely arranged in the arena. All machines are equipped with the non-polluting cooling R404A. The machines have a capacity of 230 kW.

Maintenance:

• Solely non-polluting cleaning and caring products come into use.
• During winter service gritting and snow-clearing services will be set aside.

Size and Technical Data
Length: 160 m, Amplitude: 130 m, Height: 35 m
Gross Cubic Volume: ca. 500,000 m3
Interior Room Volume: 230,000 m3
Total Area: 60,000 m2
Seating Area: 12,000 m2
Maximum Area for Events: 60 m x 40 m
Endstage: up to 288 m2
Hockey Playing Field: 60 m x 30 m
8 escalators and 8 lifts