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PJM 31 units · 32.7 GW MISO 13 units · 11.5 GW ERCOT 4 units · 5.0 GW ISO-NE 3 units · 3.4 GW NYISO 4 units · 3.3 GW CAISO 2 units · 2.2 GW SPP 2 units · 1.9 GW IESOOntario, Canada

Vertically integrated

TVA Southern Duke Carolinas SRP FPL Duke Progress BPA Dominion SC

Across every market

Market Hub Every market side by side: supply, stress, refueling pipeline. ISO Breakdown MW offline stacked by market, over time. Seasonal Compare This season against the same season in prior years, by market. Live Map Every reactor, colored by what it is doing right now.

Beyond the RTOs

NRC Regions The regulator's four regions, for the compliance view. Ontario (IESO) Canada's largest nuclear fleet, as a parallel market. Market Impact What a supply loss has historically done to on-peak price.

Right now

Outage Board What is off line today, and what it is costing the grid. Reactor Board Every operating reactor, sortable, with today's power level. Event Feed Trips, derates and returns, read from the NRC feed the same day.

Over time

Seasonal Compare Season on season, nationally and per market. Availability Index One number for how much of the fleet is earning.

The curve

Forward Curve Probabilistic MW-offline out to 18 months, P10 to P90. Scenario Builder Move an outage, re-curve the fleet, see the difference. Weekly Outlook The week ahead, written up every Monday.

What could go wrong

Risk Radar Projected overrun days per unit, and who is exposed. Accuracy Record Every forecast we have made, scored against what happened.

How units behave

Reliability Board Every unit scored 0-100 on how it actually runs. B2B Registry Breaker-to-breaker streaks, champions, days since a trip. Reactor Finder Jump to any unit's page: record, timeline, next outage. Fleet Lifecycle Licenses, uprates, new build and retirements.

Feeds & tools

API Ten documented datasets as JSON, keyed and rate-limited. Signals The documented feature library behind the models.

Pricing

Glossary FAQ Contact

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All markets 94 units

Organized markets

PJM 31 · 32.7 GW MISO 13 · 11.5 GW ERCOT 4 · 5.0 GW ISO-NE 3 · 3.4 GW NYISO 4 · 3.3 GW CAISO 2 · 2.2 GW SPP 2 · 1.9 GW

Vertically integrated

TVA 7 · 8.2 GW Southern 8 · 8.1 GW Duke Carolinas 7 · 7.2 GW SRP 3 · 3.9 GW FPL 4 · 3.6 GW Duke Progress 4 · 3.6 GW BPA 1 · 1.2 GW Dominion SC 1 · 1.0 GW Compare every market

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NukeGryd

Data Updated today, Sep 15, 2026 at 5:21 AM ET from the NRC Daily Power Reactor Status Report, EIA net summer capacity & balancing authority, NukeWorker outage schedule & ML projection engine.

Data sources NRC Daily Power Reactor Status Report · EIA net summer capacity & balancing authority · NukeWorker outage schedule & ML projection engine. Generation-availability estimates for informational purposes. Projected figures are model output, not a guarantee. Not investment advice.

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