Hacking a backup power solution(s) for your home, Tornado tested!

The talk looks at how a home backup power setup performed when an F2 tornado hit near Temple, Texas, in May 2024 and left the area without grid power for several days. The speaker, an incident responder, had built a layered system before the storm. It combined supplemental solar panels, a solar-capable mini-split air conditioner for a cool office, portable battery stations, a dual-fuel generator connected through a generator inlet, and a solar tracker. He describes the outage timeline and what he had to respond to as things went wrong.

Several parts of the setup held up well. A solar tracker survived the high winds because it lay flat, and the solar mini-split kept an office comfortable. Other parts failed or needed changes. Early on, the generator ran only briefly on small propane cylinders, and fuel for it was hard to find. A battery station's low charge limit had not been raised before storms arrived. The gasoline generator would not start until a battery charger powered from the solar system jump-started it. Open-frame generator output tripped UPS units and upset some electronics. Siphoning fuel from modern cars also proved impractical. A damaged aluminum lug at the meter base caused a fault once power returned, and the utility had to replace the meter.

The practical takeaways are to test the full backup chain before you need it, keep fuel and propane stocked, and use inverter generators with clean sine-wave output for sensitive electronics. The speaker also recommends writing a runbook so other household members can start and operate the system. The talk is a practitioner's account of applying disaster recovery to home power.