SOLAR – A piece of the future
Our event space of the future is currently rising at Messuaukio and will open in August 2027. Once completed, Solar will be one of the most modern event spaces in the Nordics, where architecture, technology, experiences and services come together seamlessly. It offers a unique stage for your brand: first-class digital and audiovisual solutions ensure that your event leaves a lasting impression. Messukeskus Solar is being developed together with YIT. We are already accepting bookings for Solar, so welcome to the immersive event space of a new era!

Event space of the future
At Solar, sustainability is reflected in high-quality, durable, and easily recyclable material choices as well as efficient energy solutions. A solar panel field will be installed on the roof.
Scalable, first-class audiovisual capabilities guarantee a unique experience for your audience.
Solar can be seamlessly connected with other Messukeskus venues, and it is easy to reach both by public transport and by car.
Endless possibilities. You bring the idea, Solar makes it happen.

Celebrations
- 340–690 guests
- Solar is the perfect setting for unforgettable evening events, including those held in connection with fairs, congresses and seminars.
- Tell us what you have in mind, and we’ll exceed your expectations.

Seminars
- 700 guests
- An impressive and stylish venue for seminars and meetings.
- The space provides everything you need for a successful meeting, complete with state-of-the-art technology.

Launches
- 300–1000 guests
- Looking for an impressive, spacious and bright venue for a launch or unveiling?
- Solar’s versatility combined with state-of-the-art technology offers endless possibilities.
The first touchpoint for your brand
Solar offers a unique opportunity for visibility in the entrance area of Messukeskus events.
Visitors enter the event through Solar, giving your brand the opportunity to make a strong impression from the very first moment.
You can share the visibility with several brands or take over the entire space exclusively.


An impressive entrance to your event
When you use Solar as the entrance to your event, you turn the very first touchpoint into an impressive and engaging part of the event experience.
Visitors enter the event through Solar, elevating the atmosphere and creating a professional, high-quality first impression.
The space also offers excellent visibility opportunities for your event partners and brands.
Solar in numbers
1300
Square meters
480
Guests for dinner
700
Guests for a conference
2027
Completed in autumn
Solar takes your event to the next level.
- 700 guests
- An impressive and stylish space for seminars and meetings.
- The space provides all the essentials, with cutting-edge technology elevating the experience.

- 340–690 guests
- Solar is the perfect venue for memorable evening events, including those held alongside fairs, congresses, and seminars.
- Tell us your wishes — we promise to exceed them.

- 300–1000 guests
- Looking for a stunning, open, and light-filled space for your launch or announcement?
- Solar offers unexpected possibilities with its flexibility and forward‑thinking technology.
- Solar offers unique brand visibility opportunities in the entrance area of Helsinki Expo and Convention Centre.
- Visitors enter the event through Solar, giving your brand the chance to make a strong impression from the very first moments.
- You can share the visibility with multiple brands or take over the entire space exclusively.

- By using Solar as the entrance to your event, you turn the first point of contact into an impressive and immersive part of the experience.
- Visitors arrive at the event through Solar, elevating your event’s profile and creating a professional, high‑quality first impression.
- The space also enables visibility for your event partners and brands.
Solar enables versatile spatial solutions.
Solar connects seamlessly with the Helsinki Expo and Convention Centre’s main lobby as well as the restaurant and conference wing. By combining these spaces, your event can flow effortlessly from one atmosphere to another.
When Solar is combined with the Valo and Säde rooms, as well as Meeting room 101 and impressive presentation technology, your event reaches a whole new level.
Examples of spatial solutions:
- Seminar in Solar, exhibition and dinner
- Multiple seminar rooms and a large exhibition
- Dinner in Solar, exhibition and seminar room
Would you like to be among the first to hear more about Solar? Contact us!

Discover Solar
• Size 1,300 m²
• Height approx. 10 meters
• Space for a 480-person dinner
• Space for a 700-person meeting
• Architectural firm: Davidsson Tarkela Siren Architects
Construction timeline
• Construction began in April 2026
• The new entrance will be in use in autumn 2026
• Solar will be completed in autumn 2027
• Our operations will continue without interruption throughout the construction period
