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INF_052predictionEnergyadvanced-fission-PPA

Alphabet has contracted for 500 megawatts from Kairos Power (KP-FHR fluoride-salt-cooled reactors) with targeted deployments by 2030 — the largest corporate advanced-fission procurement to date and a template for hyperscaler-utility-PPA scaling.

Predictor: Alphabet

Prior probability
55.0%
Current probability
50.2%
evolves via intake + LBP
Conviction
4/5
Signal quality
B
Resolution
in_progress
Window
2030-01-01 – 2030-11-30
Edges in / out
0 / 0
Tickers exposed
28

Prediction text

Alphabet has contracted for 500 megawatts from Kairos Power (KP-FHR fluoride-salt-cooled reactors) with targeted deployments by 2030 — the largest corporate advanced-fission procurement to date and a template for hyperscaler-utility-PPA scaling. | Kairos KP-FHR first reactor commissioning

Key catalyst: Kairos KP-FHR first reactor commissioning

Watch events: Kairos NRC license; first reactor fuel loading; Alphabet additional reactor orders

Resolution evidence

Status: in_progress

Oct 2024 Alphabet-Kairos agreement publicly announced; first reactor target 2030; NRC construction permit for Hermes 2 under review. Timeline slippage to 2031-2032 possible.

Predictor: Alphabet

κ + Brier as of 2026-05-22
κ (discount)
0.500
Brier
Hits / Misses
0 / 0
Hit rate

Evidence about this node from Alphabet is multiplied by κ in /api/intake. Lower κ = less weight; floors at 0.10 (effectively silenced) and caps at 1.00 (full weight).

Reference class

Not linked

This node isn't linked to a reference class. The Bayesian update applies without outside-view blending.

Probability over time

1 prob_history rows
0%25%50%75%100%prior 55%2026-05-02
intake v2milestone miss sweeplbp propagationreference class assignedlegacy v1prior_prob (analyst seed)current = 50.2%

Milestone chain

Pre-event signals (upstream prereqs + window checkpoints) → resolution event → downstream cascades. Status/dates update from linked nodes; re-derive nightly via scripts/ops/derive_milestones.py.
Leading chain: 1 overdue ⏱ · 6 pending
  1. 2026-04-17overdueHermes 2 demonstration plant breaks ground (announced April 2026)
    How: Confirmed groundbreaking ceremony at Tennessee site; GlobeNewswire / Kairos Power release
    Source: https://www.globenewswire.com/news-release/2026/04/17/3276457/0/en/kairos-power-breaks-ground-on-hermes-2-demonstration-plant.htmlconf 95%
  2. 2026-06-01 → 2028-06-30pendingCascade: second hyperscaler announces >250 MW advanced-fission PPA template
    How: Microsoft, Amazon, Meta, or Oracle signs PPA with X-energy, NuScale, TerraPower, or Kairos at >=250 MW scale modeled on Alphabet-Kairos structure
    Source: Internal estimate; Microsoft-TerraPower and Amazon-X-energy precedents already existconf 65%
  3. 2027-06-01 → 2028-12-31pendingHermes 1 reactor first criticality at Oak Ridge
    How: NRC issues operating license amendment confirming first criticality; Kairos Power and DOE press release
    Source: https://www.energy.gov/ne/articles/kairos-power-starts-construction-hermes-reactorconf 65%
  4. 2027-06-01 → 2029-06-30pendingFirst commercial KP-FHR reactor begins construction at TVA / utility-host site
    How: NRC issues construction permit for first commercial 75-MWe KP-FHR module under Alphabet PPA; concrete pour reported
    Source: https://www.kairospower.com/locations/tennesseeconf 50%
  5. 2030-02-16pendingQ1 window check-in (25%)
  6. 2030-04-04pendingQ2 window check-in (50%)
  7. 2030-05-20pendingQ3 window check-in (75%)
  8. 2029-12-01 → 2031-06-30pendingAlphabet 10-K or sustainability report discloses first MWh of KP-FHR delivery
    How: Alphabet annual report references actual delivered (not contracted) MWh from Kairos plant against the 500 MW PPA
    Source: Internal estimate based on standard PPA disclosure cadenceconf 40%

What if this resolves?

Clamp this prediction TRUE or FALSE and run a counterfactual Gibbs sample. Surfaces the predictions whose marginals shift most under that assumption.
(live posterior: 50%)

Click a button to clamp this prediction and run a Gibbs sample. Returns the predictions whose marginals shift most. ~30s per run; ideal for stress-testing "if X resolves, what else moves?"

Evidence chain

Every probability update with full Bayesian provenance — chronological, latest first
metadata_milestone_miss_sweep2026-05-02T22:07:21Z50.2%-4.8pp
metadata_milestone_miss_sweep bayesian_v2 n=1 inside=0.502 blend=0.502 LLR=-0.193 κ=0.50 no_blend
Raw metadata
{
  "trf": 1,
  "kappa": 0.5,
  "base_rate": null,
  "predictor": "Alphabet",
  "total_llr": -0.4054651081081644,
  "grace_days": 7,
  "bayesian_v2": true,
  "prior_logit": 0.2006706954621514,
  "bayes_factor": "1.2:1 against",
  "blend_reason": "no reference_class linked",
  "inside_prior": 0.55,
  "kappa_source": "predictor_table",
  "n_milestones": 1,
  "blend_applied": false,
  "contributions": [
    {
      "llr": -0.4054651081081644,
      "kind": "llm_pre_event",
      "kappa": 0.475,
      "label": "Hermes 2 demonstration plant breaks ground (announced April 2026)",
      "weight": 0.4,
      "strength": "weak",
      "confidence": 0.95,
      "source_url": "https://www.globenewswire.com/news-release/2026/04/17/3276457/0/en/kairos-power-breaks-ground-on-hermes-2-demonstration-plant.html",
      "adjusted_llr": -0.19259592635137807,
      "expected_date": "2026-04-17",
      "measurement_criterion": "Confirmed groundbreaking ceremony at Tennessee site; GlobeNewswire / Kairos Power release"
    }
  ],
  "evidence_kind": "metadata_milestone_miss_sweep",
  "inside_source": "prior_prob",
  "inside_weight": 0.3,
  "outside_weight": 0.7,
  "posterior_prob": 0.5020186813092178,
  "posterior_logit": 0.008074769110773344,
  "predictor_brier": null,
  "inside_posterior": 0.5020186813092178,
  "blended_posterior": 0.5020186813092178,
  "reference_class_id": null,
  "total_adjusted_llr": -0.19259592635137807,
  "predictor_n_resolved": 0
}

Network propagation neighbors

Top edges sorted by latest LBP cross-impact
All propagation →

No propagation data yet. Run inference/.venv/bin/python scripts/ops/run_loopy_belief_propagation.py on the droplet, or wait for the Sunday 02:00 UTC weekly cron.

Ticker exposure

28 ticker(s) linked

Beneficiaries (22)

FCELXEOKLOCRWVLEULTBRWULFBLDPNNESMREQIXAEPAMZNBECEGDGEVGOOGLMETAMSFTRYCEYVST

Prerequisites (0)

Predictions that must hit first
TypePredTitleDomainLag
No prerequisites

Dependents (0)

Predictions enabled by this
TypePredTitleDomainLag
No dependents

Validations (1)

Resolution events
Observed atStatusByNotes
2026-04-29partialthesis_timeline_v1.0_importOct 2024 Alphabet-Kairos agreement publicly announced; first reactor target 2030; NRC construction permit for Hermes 2 under review. Timeline slippage to 2031-2032 possible.

Linked documents (2)

Auto-generated by cosine similarity from Polymarket / Manifold / EDGAR / GDELT
SimSourceTitleMarket probPolarityReviewedPublished
0.549edgar_8kKBR, INC. (KBR) (CIK 0001357615)mentionspending2026-05-05
0.549edgar_8kKBR, INC. (KBR) (CIK 0001357615)mentionspending2026-05-18

Raw metadata

From Thesis_Timeline_v1.0_FINAL workbook
{
  "nia": false,
  "qty": "500 MW",
  "mode": "OBSERVATION+FORECAST",
  "role": "Cited-Firm",
  "context": "Already-announced commitment validates INF_050 SMR-co-location thesis. Couples with AWS-Talen, Microsoft-Constellation, Oracle-SMR-trio, Meta-Three-Mile-Island deals.",
  "to_year": 2030,
  "conv_cues": "announced deal; explicit MW target; explicit year",
  "direction": "NUMERIC_TARGET",
  "from_year": 2030,
  "timeframe": "by 2030",
  "conv_level": "HIGH",
  "milestones": [
    {
      "kind": "llm_pre_event",
      "label": "Hermes 2 demonstration plant breaks ground (announced April 2026)",
      "source": "https://www.globenewswire.com/news-release/2026/04/17/3276457/0/en/kairos-power-breaks-ground-on-hermes-2-demonstration-plant.html",
      "status": "overdue",
      "weight": 0.4,
      "ordinal": -7,
      "source_id": null,
      "confidence": 0.95,
      "source_url": "https://www.globenewswire.com/news-release/2026/04/17/3276457/0/en/kairos-power-breaks-ground-on-hermes-2-demonstration-plant.html",
      "expected_date": "2026-04-17",
      "miss_emitted_at": "2026-05-02T22:07:21.384228+00:00",
      "miss_emitted_by": "metadata_milestone_sweep",
      "research_origin": "training",
      "measurement_criterion": "Confirmed groundbreaking ceremony at Tennessee site; GlobeNewswire / Kairos Power release"
    },
    {
      "kind": "llm_post_event",
      "label": "Cascade: second hyperscaler announces >250 MW advanced-fission PPA template",
      "source": "Internal estimate; Microsoft-TerraPower and Amazon-X-energy precedents already exist",
      "status": "pending",
      "weight": 0.4,
      "ordinal": -6,
      "source_id": null,
      "confidence": 0.65,
      "expected_date": "2027-06-16",
      "research_origin": "training",
      "expected_date_range": {
        "to": "2028-06-30",
        "from": "2026-06-01"
      },
      "measurement_criterion": "Microsoft, Amazon, Meta, or Oracle signs PPA with X-energy, NuScale, TerraPower, or Kairos at >=250 MW scale modeled on Alphabet-Kairos structure"
    },
    {
      "kind": "llm_pre_event",
      "label": "Hermes 1 reactor first criticality at Oak Ridge",
      "source": "https://www.energy.gov/ne/articles/kairos-power-starts-construction-hermes-reactor",
      "status": "pending",
      "weight": 0.4,
      "ordinal": -5,
      "source_id": null,
      "confidence": 0.65,
      "source_url": "https://www.world-nuclear-news.org/articles/regulator-extends-hermes-1-reactor-construction-deadline",
      "expected_date": "2028-03-16",
      "research_origin": "training",
      "expected_date_range": {
        "to": "2028-12-31",
        "from": "2027-06-01"
      },
      "measurement_criterion": "NRC issues operating license amendment confirming first criticality; Kairos Power and DOE press release"
    },
    {
      "kind": "llm_pre_event",
      "label": "First commercial KP-FHR reactor begins construction at TVA / utility-host site",
      "source": "https://www.kairospower.com/locations/tennessee",
      "status": "pending",
      "weight": 0.4,
      "ordinal": -4,
      "source_id": null,
      "confidence": 0.5,
      "expected_date": "2028-06-15",
      "research_origin": "training",
      "expected_date_range": {
        "to": "2029-06-30",
        "from": "2027-06-01"
      },
      "measurement_criterion": "NRC issues construction permit for first commercial 75-MWe KP-FHR module under Alphabet PPA; concrete pour reported"
    },
    {
      "kind": "quartile_checkpoint",
      "label": "Q1 window check-in (25%)",
      "status": "pending",
      "weight": 0.05,
      "ordinal": -3,
      "source_id": null,
      "expected_date": "2030-02-16",
      "observed_date": null
    },
    {
      "kind": "quartile_checkpoint",
      "label": "Q2 window check-in (50%)",
      "status": "pending",
      "weight": 0.05,
      "ordinal": -2,
      "source_id": null,
      "expected_date": "2030-04-04",
      "observed_date": null
    },
    {
      "kind": 
... (truncated)