The first gasworks producing town gas on the territory of present-day Slovakia was established in 1856 in Bratislava, at today's Kollárovo Square, to provide city lighting. Eighty years later, a new gasworks was constructed in Mlynské Nivy. It is within a preserved section of this 1936 gasworks complex that the Gas Museum was later established.
The museum was founded by the state enterprise Slovenský plynárenský priemysel (Slovak Gas Industry) in March 1996, commemorating the 140th anniversary of gas industry operations in Slovakia. Since 2007, this exhibition museum, showcasing over four hundred exhibits, has been known as the Slovak Gas Museum.
The museum is organized into several exhibitions. The History Pavilion focuses on the development and use of town gas. The Procurator’s Office provides visitors an insight into the historic atmosphere of the early 20th-century office of the gasworks’ most senior official.
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The Laboratory exhibition completes the comprehensive picture of operational reliability in gas production. Additionally, the museum holds archival materials including photographs, historical documents, technical literature, industry magazines, and video recordings.
In late 2010, the museum expanded with an Outdoor Exhibition featuring 18 historically valuable gas industry devices in full scale. In early 2013, a reconstruction of the entire street lighting complex was completed, highlighted by two precious replicas of historical gas street lamps – the Prague type and the SUGG model, both originating from the late 19th century.