There was one PGA Tour tournament played partly under lights. In happened early in 1969, after the brief split between the tour players and the PGA of America. The players formed the Association of Professional Golfers and put together a schedule, mostly from the old tour. There was also the Alameda County Open, slated to go against the Los Angeles Open. The two sides settled before the season and the schedule went back to normal, but Alameda was contracted so it was played as a regular tour stop coinciding with the LA Open.
It was played at Sunol Valley Golf Club, on the Palm Course, in Sunol, Calif. The course were lighted by a $325,000 installation attached to palm trees (so the reports had it), which came in handy when a weather delay pushed back the second round. The delayed tee times meant a large chunk of players would finish under the lights. Dick Lotz was the winner. He used his feet to figure out how putts sloped in the gloaming.
Said Bill Ogden, "Generally a late starter can see every little spike mark and heel print on the greens. At night you can't see them."
Sunol Valley closed early in 2016, victim of rising costs and fewer rounds played.