The existing building of the Creative Hub, with its limestone walls, served as the power station’s boiler room and was completed in 1934. The enormous boilers (no. 6 and no. 7) in the Cauldron Hall were constructed in 1948 and 1949. There were designed and manufactured in Estonia, having been adapted for the use of local oil shale.
The brick chimney on the site was erected in 1948, and at 102.5 metres was the tallest in the Baltic States at the time. A total of 100,000 ordinary bricks and 800,000 chimney bricks were used in its construction.
Power was last generated at the station on 2 February 1979, after which it produced and distributed heat. It was officially renamed the Tallinn Heat Network in 1982. Its boilers continued operating until the early 1990s.
Of the structures which now comprise the Creative Hub, the boiler room, gas reservoir, trestle and chimney were placed under heritage protection in 2007
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