AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/solar-dc-strings-stay-live

When a string inverter shuts down after losing grid power, what part stays energized in daylight?

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  1. The AC wiring to the main panel
  2. The panel strings connected to that inverter
  3. Nothing at all

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References

  1. NREL: Best Practices for O&M of PV and Energy Storage Systems, 3rd ed. (2018) docs.nlr.gov/docs/fy19osti/73822.pdf Checked 2026-10-10.

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