Reactordle
Puzzle #18 was Zion Nuclear Power Station.
Zion Nuclear Power Station was the third dual-reactor nuclear power plant in the Commonwealth Edison (ComEd) network and served Chicago and the northern quarter of Illinois. The plant was built in 1973, and the first unit started producing power in December 1973. The second unit came online in September 1974.
Read about it on Wikipedia →
What the record says
Puzzle 18 ran on 2 Aug 2026 and the answer was Zion Nuclear Power Station, played with 6 guesses against 4 columns. On the record: Country - United States; Status - shutdown. The numbers: Grid connection - 1970s. 1 of the 4 columns is blank in the source (Power band), so nobody could score it either way.
Beyond the grid the record adds First grid connection - 1973; Operator - Exelon.
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
- Not recorded
- Grid connection
- 1970s
- Status
- shutdown
Also on the record
- First grid connection
- 1973
- Operator
- Exelon