Project type / City

Stockholm Royal Seaport (NDS)

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Newly built
400 waste inlets
3 waste fractions = Rest/Paper/Plastic + Street litter
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The client

Stockholm Royal Seaport

The brief

Stockholm Royal Seaport, in Swedish known as Norra Djurgårdsstaden (NDS from now on), is one of the largest urban development projects in Europe.

Spanning 236 hectares and ranging from Hjorthagen in the north, moving across the port area and down to Loudden in the south, the former industrial zone is groundbreaking not just for its sustainability targets, but also for its collaborative approach that has seen Stockholm’s city administrators, businesses, and developers work together to achieve common environmental goals.

Following its success with Hammarby Sjöstad – Sweden’s blueprint for sustainable development – Envac was selected to become NDS’s waste collection technology partner in order to share the skills, knowledge and expertise gained through being a part of one of Stockholm’s most high-profile developments to date.

The project

By 2030, NDS is expected to include at least 12,000 new housing units and 35,000 workplaces – all of which will be connected to Envac’s automated waste collection system, one of the many innovative environmental technologies embedded within the development’s fabric.

With ambitious targets focussed on effective resource management and delivering an overall structure that supports multiple ecosystems, NDS required the highest standards from its partners and a waste collection solution that provided usability, functionality and sustainability in equal measure.

With both waste inlets and approximately 100 self-emptying litterbins scheduled for installation in the public areas of the northern part of NDS, Hjorthagen, which covers 6,000 residential units, Envac has ensured that waste can always be deposited and quickly transported to the site’s waste collection station without any need for waste collection lorries to come into contact with the waste or the inlets.

Furthermore, with over 400 additional waste collection inlets designated for residential and commercial buildings scheduled for installation in Hjorthagen by 2027, Envac has provided a long-term sustainable waste collection solution for all those who live and work in NDS. As of 2018, 50 per cent of the inlets are installed and currently serve the development.

In addition to providing ready access to an automated waste collection system, Envac has worked closely with NDS in order to create behaviour change and help establish positive recycling habits.

For example, over 8,000 RFID tags have been registered to households throughout Hjorthagen so that the city can identify user waste habits, including the type of waste deposited and the inlets used, of those living in the area.

This is possible thanks to the Envac Automation Platform (EAP), based on the latest Smart solutions as built in database, report generator, adaptive emptying scheduler as well as prepared for connection to both IoT terminals and management systems. In addition, EAP is prepared for add-on functionality as AI niklcontrol.

Remote system access is done through Envac System Platform, a recently developed cloud platform allowing for remote monitoring and control of both the latest and earlier delivered systems.

The latest EAP system provide graphic real-time status of both inlet area and the central station equipment.

The inclusion of a heat exchanger in the waste collection station, which enables heat generated from the system to be directed back into the building, has also ensured that it’s not just the site’s waste that is handled sustainably.

The result

Envac’s inclusion in the NDS project has:

  • Reduced waste collection lorry movements in and around NDS by 90 per cent as waste is automatically transported, via airflow, to the collection station
  • Guaranteed that 6 tonnes of waste will be collected each day using electricity and airflow instead of resource intensive and unsustainable methods typically reliant on fossil fuels
  • Helped Stockholm and Stockholm Royal Seaport win the award for best sustainable urban development project in the Sustainable Communities category, which was presented at the UN Climate Change Conference in Paris 2015 by the C40 Cities Climate Leadership Group – a network connecting more than 80 of the world’s megacities
  • Enabled the development to reuse heat generated within the waste collection station via a dedicated heat exchanger
  • Created safer communities by removing on-site waste collection vehicles
  • Helped the development become an international showcase for sustainability excellence
  • Built on the legacy created by Hammarby Sjöstad and once again helped to position Sweden as a sustainability and ecological innovator

As a former Envac employee I was always aware of the value that the system can add to any development and the countless sustainability benefits it creates. However, having the opportunity to see how Envac fits into the wider picture, as I do now in my new role, I am able to see first hand the positive impact Envac has on communities when it works alongside other sustainability-focussed technologies. NDS is an extremely impressive project and one that is likely to set the international standard for many years to come.

Magnus Ekholm, former Envac employee and consultant on the NDS project


Basic project information

Type of development City

Waste collection capacity 10 tons per day

Country Sweden

City Stockholm

Client The City of Stockholm

Envac contract awarded 2010

Launched 2012

Design parameters

Type of project Newly built

Type of system Stationary vacuum system

Pipe network dimension (mm) 400

Pipe network length (mts) -

Nr. of waste fractions 4

Type of waste fraction Rest/Paper/Plastic and Street litter

Nr. of storage tanks (MOVAC) N/A

Number of apartments 12,000

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