Fujisawa Sustainable Smart Town (Fujisawa SST) is often introduced through its technology. A more useful way to understand it is as a long-running attempt to coordinate everyday systems: homes, energy, safety, public space, and mobility. That distinction matters. A connected device is not a sustainable neighborhood by itself; the value depends on how infrastructure serves people over time.
A neighborhood planned around shared systems
Panasonic’s 2022 project profile says construction began in 2012 on a former manufacturing site and that the first residents moved in during 2014. A 2025 company retrospective reported 566 dwellings and approximately 2,000 residents at that time. Those are dated, developer-reported figures, not a current census.
The project is a partnership-led development rather than a stand-alone municipal technology installation. Its official materials describe homes and community facilities alongside energy, mobility, security, health, and local services. The useful planning question is not whether every service is “smart,” but whether systems were considered together before the neighborhood filled in.
Energy as infrastructure, not an app
Panasonic’s earlier project profile describes rooftop solar generation, household energy-use information, and community storage intended to support resilience during an outage. It also describes tools that let residents see consumption and adjust use. This joins several scales of infrastructure: generation at buildings, storage shared at neighborhood scale, and information returned to households.
The evidence needs to be read carefully. Company project materials document the design and services the developer describes; they are not an independent assessment of lifetime emissions, cost, or how much backup energy has actually been delivered during emergencies. Those outcomes require measured, long-term evidence.
Homes, services, and mobility
The same project profile describes connected home-security services and shared electric vehicles and bicycles. These are practical examples of how a smart-town concept can reach beyond home automation: a resident’s trip, access to a vehicle, and feeling of safety are part of the neighborhood experience too.
The model is strongest when the digital layer remains in service of a tangible need. Energy information is useful if households can act on it; a shared vehicle is useful if it is available, accessible, and complements walking and public transport. The existence of a platform alone does not prove those conditions.
Lessons for future urban development
Fujisawa offers three questions for planners considering similar projects. First, which services should be designed together from the start, and which should remain interoperable as needs change? Second, how will residents influence decisions after the opening ceremony? Third, what public reporting will distinguish a promising design from a proven result?
The longer horizon is also instructive. Panasonic’s 2025 retrospective frames Fujisawa as an evolving project, not a finished prototype. Future developments can learn from that emphasis on ongoing operation, while setting clear measures for affordability, privacy, energy performance, resilience, and access. A smart city is ultimately judged by the reliability and fairness of daily life, not by the number of technologies installed.
For another view of how long-range planning shapes city life, see our article on Barcelona’s 22@ innovation district and our wider coverage of smart mobility.
Sources and further reading
- Fujisawa Sustainable Smart TownPanasonic Newsroom Global
- Over 10 Years of Fujisawa Sustainable Smart Town: Opening Up New Possibilities Towards the FuturePanasonic Newsroom Global
- Fujisawa Sustainable Smart Town official project siteFujisawa SST