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The Markets Desk — Week 44 · Tue 27 Oct 2026
Data / Power · Power

How much of the US nuclear fleet is running.

Line
How much of the fleet is runningHow much one reactor is runningWholesale power price by regionHow much power is waiting to connectPower plants waiting to connect in Texas, by fuelWhat the US is spending to build data centresWhat transformers and turbines cost to buy
How much of the fleet is running
as of 2026-10-26
81.3%all
81.3
75.080.085.090.095.0100.0
4 Sept 202626 Oct 2026
  1. ① NextEra Energy — NextEra Energy files 10-Q for quarter ended 30 Sep 2026
  2. ② Southern Company — 8-K 5.03: amended and restated By-Laws effective 20 Oct 2026
  3. ③ Ballard Power Systems — 6-K: news release dated 22 Oct 2026, Review of the Ballard Forum
  4. ④ Enovix — 8-K 7.01: Enovix statement on 21 Oct 2026 press article
  5. ⑤ JinkoSolar — 6-K: name change to Jinko Holdings Limited; Q3 results date set
  6. ⑥ JinkoSolar — 424B3: form of ADR for Jinko Holdings Limited ADSs
  7. ⑦ Stem Inc — 8-K Item 3.01: NYSE non-compliance notice, market cap and equity under $50.0M
  8. ⑧ ASP Isotopes — 8-K: Tetra4 (Renergen subsidiary) achieves stable liquid helium production

the NRC · EIA's Short-Term Energy Outlook · Berkeley Lab · ERCOT · the Census Bureau · the Bureau of Labor Statistics · daily · monthly · annual · history from the source back to 1 Jan 2014 · since 15 Sept 2026

we gathered it

The fleet is running at 81.3% of its rated output. That is 2% more than last week.

Range
1m3mopens 2026-12-141yopens 2027-09-15all
Compare
nonethe Energy beat index
The last 12 observations
Day%Change
2026-10-2681.3−0.4%
2026-10-2581.6+1.0%
2026-10-2480.8+0.6%
2026-10-2380.3+0.4%
2026-10-2280+0.3%
2026-10-2179.8−0.1%
2026-10-2079.9
2026-10-1979.8−0.9%
2026-10-1880.6−0.6%
2026-10-1781.1−0.6%
2026-10-1681.6
2026-10-1581.7—
  • 2026-10-28American Electric Power

    2026-Q3 numbers

  • 2026-10-28Fortum

    2026-9M numbers

  • 2026-10-28Redeia (Red Electrica)

    2026-9M numbers

  • 2026-10-28Hitachi

    2026-FQ2 (FY2027) numbers

  • 2026-10-29Edison International

    2026-Q3 numbers

  • 2026-10-29First Solar

    2026-Q3 numbers

  • 2026-10-29WEC Energy Group

    2026-Q3 numbers

  • 2026-10-29nVent Electric

    2026-Q3 numbers

  • 2026-10-29Linde

    2026-Q3 numbers

  • 2026-10-30Nextpower (ex-Nextracker)

    2026-Q4 numbers

  • 2026-10-30Exelon

    2026-Q3 numbers

  • 2026-10-30Enphase Energy

    2026-Q3 numbers

What happened

the numbered ones are marked on the chart
The sources behind this tracker
SourceCadenceRows this monthNewest figureLast fetchMisses
the NRCUS nuclear capacity-factor line; widget on nuclear/SMR company pagesdaily28502026-10-262026-10-271
EIA's Short-Term Energy Outlookwhat wholesale power cost each month at eleven US hubs — PJM, ERCOT, CAISO SP15, Mid-C and seven moremonthly02026-09-012026-10-200
Berkeley Labinterconnection queue slippage between editionsannual02025-12-312026-10-260
ERCOTTexas generation queue by study stage and fuel (GW, project counts), plus the month's commissioning and cancellation MWmonthly02026-09-012026-10-220
the Census BureauUS data-centre construction spend, monthly, in dollars put in place — never converted to MWmonthly02026-08-012026-10-220
the Bureau of Labor Statisticswhat the grid equipment a data centre waits on costs to buy: BLS producer price indexes for transformers and turbines, monthly, each on its own base — a price index, never a lead timemonthly02026-09-012026-10-230

Take it with you

Coming in Q4: embed this chart · tell me when it moves