What question did this study set out to answer?

This analysis aims to evaluate the feasibility of constructing a solar-system-scale Dyson swarm for energy collection.

April 25, 2026Open Access

Incremental Feasibility of a Dyson Swarm: A Construction Roadmap for a Solar-System-Scale Energy Collection System — Including a Multi-Layered Financing Framework via Japan–US Strategic Alliance

Key Points

This analysis aims to evaluate the feasibility of constructing a solar-system-scale Dyson swarm for energy collection.
Conditional feasibility analysis incorporating multiple financing scenarios.
Revised TEPCO mechanism evaluated as a stylized case study.
IRR sensitivity analysis conducted with four downside scenarios.
The financing roadmap includes technical and governance frameworks.
Conclusion emphasizes the strategic option value for investment decisions.

Abstract

Version 2 (April 2026): Revised following peer review preparation. Abstract reframed as conditional feasibility analysis. TEPCO mechanism repositioned as stylized case study. IRR sensitivity analysis (Table 3) added with four downside scenarios. Figure 1 (financing roadmap) added. Conclusion upgraded to emphasize option value framing. Version 3 (April 2026): Added presentation slides in English (EN) and Japanese (JA) versions as PDF files. 18-slide deck covering technical roadmap, financing architecture, and governance framework.

Incremental Feasibility of a Dyson Swarm: A Construction Roadmap for a Solar-System-Scale Energy Collection System — Including a Multi-Layered Financing Framework via Japan–US Strategic Alliance

Key Points

Abstract

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