Power Quality | Common Issues Defined
Voltage sags and swells defined graphically along with why they are important to utility consumers
2020 Power Quality: Why is it so much worse?
Power Quality impacts doubled in 2020 over previous years. Here’s why, and what you can do about it.
Minor Grid Voltage Sag detected in Bay Area
Saturday, April 27 at 5:41 pm – The San Francisco Bay Area experienced a minor grid voltage sag throughout the region. Voltage sagged to 83% of normal for 4.02 cycles, …
Grid Voltage Sag Tuesday 4/7/20 6:44AM
Exactly one month after the previous grid level power quality event, we experienced another voltage sag affecting customers throughout the region.
Transmission Sag March 17, 2020 San Francisco Bay Area voltage sag at 4:01pm.
Winter weather on Saturday March 17 at 4:01 pm the San Francisco Bay area experienced a voltage sag that affected customers throughout the region. Grid voltage sagged to 80% of …
Transmission voltage sag Saturday 3/7/20 8:48AM
Another transmission line level power quality event affected customer across the SF Bay area Saturday morning 3/7/20 at 8:48AM.
Major PQ Sag hits SF Bay area Saturday 2/15/20 9:19PM
Despite summer weather, major voltage sag hits SF bay area impacting critical loads across the region Saturday 2/15/20 at 9:19PM