owerhouse Parramatta has announced a major 23-day opening festival ahead of the museum's public opening in Western Sydney. The festival will run from November 7 to November 29, 2026, featuring 179 events across four weekends and three weeks. The announcement was made on September 21, 2026.

The new museum, located on the banks of the Parramatta River, is scheduled to open to the public on Saturday, November 7. The official Powerhouse website confirms that the museum will open with five major exhibitions and a program of talks, workshops, food, music and performances.

The opening festival will bring together Australian and international artists, designers, scientists and cultural practitioners. Organisers say Western Sydney artists and communities will have a central role in the program, reflecting the cultural diversity of the region.

About 65 per cent of the festival events will be free, while visitors aged 16 and under will receive free entry to exhibitions. During the festival period, the museum will operate seven days a week, with extended opening hours from Thursday through Sunday.

The program covers a wide range of subjects. First Nations culture, science, technology, design, music, film and food will all feature across the 23-day celebration. The festival is also designed to provide activities for families, young people, students and visitors interested in Australia's cultural and scientific collections.

One of the international highlights will be an appearance by Charles F. Bolden Jr., a veteran astronaut and former NASA administrator. He will discuss his experiences in space exploration during an event scheduled for November 8. The festival will also feature discussions about future space exploration and what it could mean for people to live beyond Earth.

Science and technology will be another major focus. Programs will explore subjects including space technology, artificial intelligence, biotechnology and medical diagnostics. Science-fiction author Ted Chiang is also scheduled to discuss ideas surrounding humanity's pursuit of immortality.

The festival will have a strong First Nations and Pacific cultural presence. Jannawi Dance Clan will contribute performances involving dance, song and storytelling. Eseli's Story will feature dancers, singers and musicians from Badu Island, while other events will explore cultural knowledge and continuity.

Pacific communities will also be represented through performances and the unveiling of Te Waka Whakakotahi, a newly commissioned Māori watercraft. Other cultural activities will include Pacific weaving and community performances.

The opening weekend will also feature historic transport, with steam trains and vintage buses planned as part of the celebrations. The NSW Railway Band is scheduled to perform at Parramatta Station, adding another element to the opening program.

Art and environmental themes will also feature. British artist Es Devlin will present Come Home Again, a large-scale installation depicting endangered NSW species. The installation will be accompanied by live choral performances from Western Sydney ensembles across multiple nights.

The museum's official information confirms that Powerhouse Parramatta is located at 34 Phillip Street in Parramatta and will officially open on November 7. The site will include five opening exhibitions and a 23-day festival.

The opening represents a major cultural development for Western Sydney, giving the region a new institution focused on the intersection of arts, science, technology and design. The festival program is expected to attract local communities as well as visitors from across Sydney and beyond.

With 179 events scheduled, the November opening will extend well beyond a single launch weekend. The program will continue through November 29, giving visitors multiple opportunities to experience exhibitions, performances, talks, workshops and cultural events at the new Parramatta museum.