Reactordle 9 Oct 2026

Puzzle #86 was Duane Arnold Energy Center.

The Duane Arnold Energy Center (DAEC), with a single unit boiling water nuclear reactor, was Iowa's only nuclear power plant. It is located on a 500-acre (200 ha) site on the west bank of the Cedar River, two miles (3.2 km) north-northeast of Palo, Iowa, USA, or eight miles (13 km) northwest of Cedar Rapids, Iowa.

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From Wikipedia (CC BY-SA 4.0)

What the record says

Puzzle 86 ran on 9 Oct 2026 and the answer was Duane Arnold Energy Center, played with 6 guesses against 4 columns. On the record: Country - United States; Power band - 500–999 MW; Status - shutdown. The numbers: Grid connection - 1970s.

Beyond the grid the record adds Nominal power - 679.5 MW (500–999 MW); First grid connection - 1975; Operator - NextEra Energy Resources.

Reactordle builds its record from Wikidata - CC0 1.0. The description above comes from the same place the game credits on every reveal: English Wikipedia verbatim extract plus sourced facts, CC BY-SA 4.0. The puzzle itself is still playable in the archive, and every answer that has been and gone is listed on the past-answers page.

How it scored

Country

United States

Power band

500–999 MW

Grid connection

1970s

Status

shutdown

Also on the record

Nominal power

679.5 MW (500–999 MW)

First grid connection

1975

Operator

NextEra Energy Resources

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