Heizkraftwerk Mitte

The Open Street Art Gallery, originally initiated by the HIP HOP Kultur e.V. and since 2026 continued by the association Soziokultur on site e.V., is provided and funded by the local energy company BS Energy. In cooperation with the organizing association of the Colour & Soul festival, they also provide financially support the purchase of colours.

The gallery was first introduced in 2024, with artists requested to follow the common theme "water & water worlds" for their artworks. The latest edition in 2025 had a common colour theme for artworks.