If you want to monitor this event, https://www.mainsfrequency.com/ https://www.mainsfrequency.com/ is a good starting point: during the increased solar activity

If you want to monitor this event, https://www.mainsfrequency.com/ https://www.mainsfrequency.com/ is a good starting point: during the increased solar activity, grid frequency should go up a bit more than usual, although the magnitude is still quite small and nothing like the 2022 event(s)