Suncor Energy Centre, Office skyscraper in downtown Calgary, Canada.
The Suncor Energy Centre consists of two office towers with granite and glass cladding, with the west tower reaching 53 floors. The buildings connect to neighboring structures through the +15 pedestrian skywalk system, which links multiple downtown blocks.
The building opened in 1984 as Petro-Canada Centre and held the title of Calgary's tallest structure for 26 years. When the Bow tower was completed in 2010, it surpassed this building in height.
The complex reflects Calgary's role as a center for the energy industry, housing major corporations like Suncor Energy. The buildings shape the downtown skyline and show how important this sector is to the city.
The complex is easily accessed through the +15 skywalk system, which connects directly to other downtown buildings. Weekday visits offer better views of the interior lobbies and active spaces within the towers.
The original design called for three glass towers, but Calgary's Planning Commission recommended changes that led to the current two-tower granite design. This redesign shows how local input shaped the final form of this prominent downtown structure.
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