🔆 EnergyIndex Fusion

Fusion: how close is it, really?

No fusion plant feeds the grid yet. This page tracks how close we are — with sources for every claim.

Get the monthly Fusion brief
Readiness level
Coming soon
Publishes once the readiness methodology below is approved. No figure is shown until it is real.

What this index measures

There is no generation data for fusion because no commercial fusion plant exists. The EnergyIndex Fusion Readiness series is being designed to score public, verifiable milestones — pilot-plant timelines, regulatory licensing progress, announced capital and power-purchase agreements — so the first number we publish is one you can check.

Who uses it

  • Researchers and students following fusion programs
  • Investors and journalists tracking announced timelines
  • Utilities and data-center operators signing early offtake

Methodology

  1. Pilot-plant construction and first-plasma timelines announced by developers
  2. Regulatory licensing progress with the U.S. NRC and international counterparts
  3. Disclosed private and public capital committed to fusion
  4. Signed power-purchase or offtake agreements
  5. Peer-reviewed performance records (energy gain, sustained plasma)

Scoring weights and the first readiness level will be published here after review. Until then this page carries no number — only the rules we intend to score by, so you can hold us to them.

Download this series as JSON · Full methodology

Monthly Fusion brief

One email when EIA posts the new month: the updated level, what moved it, and the chart. No spam, unsubscribe any time.

Thanks — you're on the list. The next brief goes out when EIA posts the new month.

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