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Power Plant Live!

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Developed by the Cordish Companies, one of the largest and most respected developers in the world, Power Plant Live! is Baltimore’s premiere entertainment complex, hosting over four million visitors a year. The plaza outside the existing venue is already the site of free weekly outdoor summer concerts and Baltimore Ravens events. Cordish developers were looking to construct an enclosure to cover a new outdoor stage for year-round concerts that would protect performers and audiences from the elements so outdoor performances can be enjoyed no matter what the weather.

In addition, Cordish developers had a vision for the Beer Hall to occupy aglass pavilion that would open up into a lush, festive outdoor beer garden. With nearly 40 specialty brews in a stunning setting, the venue would fast become the meeting place for downtown Baltimore.

In 2011, OpenAire designer, manufacturer and installed two innovative enclosures for Power Plant Live!

Power Plant LIVE! Alley Canopy Roof – Opened May, 2011

Built between two existing buildings to cover the stage, OpenAire’s innovative Alley Roof canopy covers a new outdoor stage for year-round concerts, and is built to protect performers and audiences from the elements so outdoor performances can be enjoyed no matter what the weather.

The canopy covers an actual small street, creating an open yet intimate outdoor venue that’s great for seeing anything from a small regional act to big-name bands. Supported by several 20’ tall steel support columns spaced 25’ apart, the 1” thick polycarbonate roof is 151’ (46m) long x 37’ (11m) wide, and narrows to 23’ to cover the 14’ x 37’ stage set at one end of the structure. Truss rafters and the surrounding circa 1900 brick buildings give the area an elegant Victorian atmosphere.

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Power Plant Live! - Glass-Enclosed Beer Hall– Opened September, 2011

Leinenkugel’s Beer Hall is Baltimore’s hottest entertainment and dining venue, and occupies a newly constructed glass pavilion that opens up into a lush, festive outdoor beer garden.

Built by OpenAire, Inc., the retractable roof enclosures was designed to evoke the look of a Victorian conservatory. Measuring 65’/20m by 37’/ 11.28m, the structure is 12’/3.6m tall at its highest point, and features a retractable roof that easily opens and closes at the touch of a button. Additionally, large overhead glass doors open to enhance the outdoor feel. Unlike a traditionally constructed space, the retractable features allow patrons to feel like they’re part of the energy and atmosphere at Power Plant LIVE! and experience the entertainment going on around them. When the weather is cold or rainy, the roof and sidewalls close up to protect occupants from the elements, while still allowing them to enjoy the natural light pouring in through the glass.

To see a video of the beautiful, retractable Leinenkugel’s Beer Hall in action, click here

Read Press Release


  • Exclusive maintenance-free, thermally broken aluminum framing system.
  • Installed worldwide by OpenAire’s professional crews.
  • OpenAire buildings are energy-efficient and out-perform traditional construction.
  • Capable of free spans over 150’ and wider support spans over 300’ while maintaining a deflection of L/180.
  • Motorized roof panels.
  • Custom designed.
  • Full 5 year parts and labor warranty.