Hetch Hetchy Water and Power reported on September 2 as follows:
UPDATE 11:05:
The Holm Powerhouse unit that malfunctioned this morning will unfortunately remain out of service through the weekend and beyond. As such, today’s pattern (maximum single-unit generation 07:00-13:00) will continue Saturday Sept 3rd
through Labor Day Sept 5th.
Apologies for any inconveniences caused by this unexpected outage.