Greening Transport: Proof of the Sum’s Amsterdam Design

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Project Highlights

Client: Milence (

Team Proof of the sum: Roy Pype, Blaz Solar, Inés Carvalho Cornejo, Celine Dorval, Di Fang, Xabier Larrinaga Mugica, Martynas Solovejus Giorgia Spadaro, Maurice van den Berg

Consultants: Arcadis, Treetek, Today, Dekra
Visualizations: Proof of the sum, Renderji, Today

In a groundbreaking move towards sustainable transport, Proof of the Sum emerges triumphant in the architectural competition organized by Milence for their European site concept in Amsterdam. Focused on revolutionizing electric freight transport, Proof of the Sum’s visionary design aims to address the pressing issue of road transport emissions in the European Union.

Placemaking: A Haven for Drivers and Trucks

The heart of Proof of the Sum‘s design lies in placemaking, ensuring both driver and truck comfort. The strategic layout features logical and safe turning circles guiding drivers toward spacious parking bays. Laminated wood arch and roof structures not only provide protection for drivers and chargers but also create a visually cohesive identity across all Milence locations. The infusion of wood’s soft character, complemented by thoughtfully integrated lighting and signage, enhances the overall experience.

The design takes a holistic approach, incorporating a high-end pavilion that serves as a focal point. This space offers amenities such as lounging areas, vending machines with fresh meals, washroom facilities, and the possibility of an outdoor fitness facility. The goal is to elevate the charging experience, catering to both fast charging during short visits and extended stays.

Detachable Design for Sustainability

To accelerate the sustainable transition, Proof of the Sum‘s design adheres to eco-friendly principles. Bio-based materials, detachable detailing, thorough prefabrication, and modularity lay the foundation for a location concept with an exceptional sustainability score. With the majority of building elements prepared centrally in Europe, the design ensures ease of assembly at various sites.

The detachable and modular nature of the design not only supports sustainability but also facilitates scalability. Milence’s ambitious goal of establishing over 1,700 high-quality charging points across Europe in five years becomes achievable with this adaptable approach. Locations will range from 4(S) to 64(XL) charging points, accommodating different needs.

Integrated Collaboration

Proof of the Sum‘s architectural prowess is complemented by a collaborative effort with industry experts. The design team, expanded post-architect selection, includes Arcadis, Today, Treetek, and Dekra. Each collaborator brings unique expertise to the table, from cable infrastructure and foundations to timber structure engineering, safety consultancy, and signage development. Together, they’ve crafted a comprehensive design manual, serving as a guide for local development teams throughout Europe.

Pioneering the Future

Designing truck charging locations is a pioneering venture for both Milence and the design team. The absence of guidelines or standards necessitates careful verification at every step. Employing 3D simulations, market research, sounding board groups, and physical testing of mock-ups, the design ensures its viability. Extensive research on current and future charging technology guarantees seamless integration, positioning Milence as a pioneer in the evolving landscape of electric freight transport.


Proof of the Sum’s European site concept for electric freight transport in Amsterdam not only addresses the environmental challenges posed by heavy commercial vehicles but also sets a new standard for sustainable, driver-centric charging locations. This architectural triumph, in collaboration with Milence and a team of experts, marks a significant step towards a greener and more efficient future in transportation.

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