Uploaded September 2026 | Updated September 2026, 34 minutes ago
The proposed answer is a distributed network of Community-Owned GREEN Data Centers.
These are not intended to replace hyperscale data centers. They create a complementary layer: smaller regional compute nodes designed around the needs, assets, energy, landowners, institutions, and culture of the communities hosting them.
The first prototype is Fukui.
Sukatto Land Kuzuryu is an existing municipal onsen, lodging, training, and community complex that Fukui City intends to demolish.
The project uses approximately 33,700 square meters of surrounding site area as its working campus envelope. Phase 1 is modeled as a 1-megawatt AI compute deployment with 384 GPUs. Larger 4-megawatt, 10-megawatt, and potentially 20-to-30-megawatt phases are hypotheses to be validated against actual grid capacity, zoning, flood and civil conditions, cooling, setbacks, permitting, and developable land. They are not established site capacity. eSingularity.ai — Save The Onsen w Compute
A crucial architectural clarification from the current documents:
The existing onsen building and the new data center are separate assets.
The plan is not primarily to fill the old onsen building with servers.
The existing building is retained and recommissioned as the human-facing civic and innovation asset.
The onsen remains or is restored on the lower level.
Upper and common areas become an innovation center supporting AI education, university research, startups, entrepreneurship, meetings, community activities, and regional economic development.
The new compute infrastructure is developed separately on the surrounding land as a phased modular data-center campus.
This produces a two-asset architecture:
Existing civic asset: preserve and reactivate.
New infrastructure asset: build beside it and generate revenue.
That distinction is fundamental. eSingularity.ai — Save The Onsen w Compute
The intended physical ecosystem includes AI compute, renewable-energy integration, battery storage, heat recovery, the onsen, education, research, startups, agriculture, robotics, drones, hospitality, restaurants, community space, festivals, culture, and local business development.
The compute infrastructure is intended to become the primary economic engine.
The existing building becomes the public interface between that infrastructure and the community.
Waste heat is central to the GREEN thesis.
AI compute produces substantial thermal output. Project eSingularity proposes engineering a thermal-recovery loop that can potentially use server heat for hot water, building heating, and onsen heating. The current model assumes immersion or liquid cooling and heat-exchanger integration, but all thermal quantities, temperatures, piping losses, seasonal demand, and economics must be validated during engineering feasibility. eSingularity.ai — Save The Onsen w Compute
The GREEN energy architecture may combine grid power, regional low-carbon generation, solar, battery storage, and other locally appropriate generation.
The proposed answer is a distributed network of Community-Owned GREEN Data Centers.
These are not intended to replace hyperscale data centers. They create a complementary layer: smaller regional compute nodes designed around the needs, assets, energy, landowners, institutions, and culture of the communities hosting them.
The first prototype is Fukui.
Sukatto Land Kuzuryu is an existing municipal onsen, lodging, training, and community complex that Fukui City intends to demolish.
The project uses approximately 33,700 square meters of surrounding site area as its working campus envelope. Phase 1 is modeled as a 1-megawatt AI compute deployment with 384 GPUs. Larger 4-megawatt, 10-megawatt, and potentially 20-to-30-megawatt phases are hypotheses to be validated against actual grid capacity, zoning, flood and civil conditions, cooling, setbacks, permitting, and developable land. They are not established site capacity. eSingularity.ai — Save The Onsen w Compute
A crucial architectural clarification from the current documents:
The existing onsen building and the new data center are separate assets.
The plan is not primarily to fill the old onsen building with servers.
The existing building is retained and recommissioned as the human-facing civic and innovation asset.
The onsen remains or is restored on the lower level.
Upper and common areas become an innovation center supporting AI education, university research, startups, entrepreneurship, meetings, community activities, and regional economic development.
The new compute infrastructure is developed separately on the surrounding land as a phased modular data-center campus.
This produces a two-asset architecture:
Existing civic asset: preserve and reactivate.
New infrastructure asset: build beside it and generate revenue.
That distinction is fundamental. eSingularity.ai — Save The Onsen w Compute
The intended physical ecosystem includes AI compute, renewable-energy integration, battery storage, heat recovery, the onsen, education, research, startups, agriculture, robotics, drones, hospitality, restaurants, community space, festivals, culture, and local business development.
The compute infrastructure is intended to become the primary economic engine.
The existing building becomes the public interface between that infrastructure and the community.
Waste heat is central to the GREEN thesis.
AI compute produces substantial thermal output. Project eSingularity proposes engineering a thermal-recovery loop that can potentially use server heat for hot water, building heating, and onsen heating. The current model assumes immersion or liquid cooling and heat-exchanger integration, but all thermal quantities, temperatures, piping losses, seasonal demand, and economics must be validated during engineering feasibility. eSingularity.ai — Save The Onsen w Compute
The GREEN energy architecture may combine grid power, regional low-carbon generation, solar, battery storage, and other locally appropriate generation.
