A History of Short Words

From the New York Times Crossword Puzzle

SOLAR

Tue, 6 Feb '24
Like some panels and flares
Tue, 26 Sep '23
Kind of green energy
Mon, 2 Jan '23
Sun-related
Thu, 21 Apr '22
With 41-Across, a celestial event ... or a hint to four squares in this puzzle
Mon, 14 Jun '21
Energy alternative to wind