Reactordle
Puzzle #10 was Callaway Energy Center.
The Callaway Plant is a nuclear power plant located in Callaway County, Missouri. The plant is Missouri's only nuclear power plant and is close to Fulton, Missouri. The 2,767 acres (1,120 ha) site began operations on December 19, 1984.
Read about it on Wikipedia →
What the record says
Puzzle 10 ran on 25 Jul 2026 and the answer was Callaway Energy Center, played with 6 guesses against 4 columns. On the record: Country - United States; Power band - 1,000–1,999 MW; Status - operational. The numbers: Grid connection - 1980s.
Beyond the grid the record adds Nominal power - 1,235.8 MW (1,000–1,999 MW); First grid connection - 1984; Operator - Ameren Missouri.
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
- 1,000–1,999 MW
- Grid connection
- 1980s
- Status
- operational
Also on the record
- Nominal power
- 1,235.8 MW (1,000–1,999 MW)
- First grid connection
- 1984
- Operator
- Ameren Missouri