Engineering the Largest Structure Ever Conceived

One research question at a time.

What if we could capture the
full energy output of a star?

A Dyson swarm is a constellation of solar-collecting satellites orbiting a star. It's the difference between catching rain in a cup and damming an entire river.

Earth's total energy use 580 exajoules/year
A Dyson swarm 3.8 × 10²⁶ watts

Earth's energy consumption is not even visible at this scale.

5 phases. Centuries.
$9.55T.

We don't start building until every question is answered. Phase 0 is pure research—proving feasibility before spending a single dollar on hardware.

0

Space Resource Processing In Progress

$15.71B 10-15 years

Establish the foundational infrastructure for asteroid mining and material processing in space. This phase focuses on developing the supply chain for raw materials needed for subsequent construction phases.

1

Initial Swarm Deployment Planned

$158.00B 20-30 years

Begin construction of the first Dyson swarm elements. This phase focuses on building and deploying initial solar collector satellites, establishing assembly infrastructure, and creating the communication/control systems.

2

Swarm Expansion Planned

$375.00B 50-100 years

Scale up satellite production and deployment to achieve grid-significant power delivery (~1 TW to Earth). CAPACITY COST MODEL: Self-replicating ISRU foundries produce 100,000 units; cost represents seed investment, bootstrap operations, and "vitamin" imports rather than unit-count multiplication.

3

Matrioshka Brain Planned

$7.50T 200-1000 years

Transform the Dyson swarm into a nested megastructure of computational shells. CAPACITY COST MODEL: ~1,350x reduction from linear methodology reflects self-replicating ISRU economics. Cost represents seed investment, R&D, "vitamin" imports, and governance software.

3

Stellar Engine Planned

$1.50T 200-500 years

Construct stellar propulsion systems to enable controlled movement of the Sun and Solar System. CAPACITY COST MODEL: ~73x reduction from linear methodology reflects ISRU economics and shared Phase 2/3a infrastructure. Cost represents R&D, seed deployment, and "vitamin" imports.

51
Questions
5
Resolved
150+
Papers Cited
23
Contributors
7
Tech Threads

23 volunteers. Zero investors.
Everything is public.

Every plan is open. Every paper is cited. Every decision is documented. We need researchers, engineers, writers, and developers.

Research Contributor Engineering Analyst Content Creator Developer

Project Dyson — A volunteer-led nonprofit. All plans and research are publicly available.