Back in 2017, I was in a home with solar panels, but no battery backup. Hurricane Irma passed overhead, and I found myself without power for 24-48 hours. We lost all of our food as a result.
When the storm passed, I called up the company that installed my solar panels and found that adding in a battery would be cost-prohibitive, as it would require replacing the solar inverter. As my wife and I started shopping for a new home for our family, I kept this information in mind as I had planned on having solar+battery put in at the new house. I worked on finding a home that would be oriented properly to get the best solar collection capacity, and we bought it in 2018.
Once the home was bought I went through the process of getting quotes for solar + battery arrays and ultimately settled on Tesla.
Tesla was largely chosen because, at the time, the Powerwall battery had the shortest cutover time in the event of an outage. It kicks in right away, while the others took 2-3 seconds to switch over.
By the end of 2018, the array and Powerwall were installed and operational. The array has a max output of 9.425 kW using a SolarEdge SE7600H-US inverter, which has a max output of 7.64 kW, and a single Gen 2 Powerwall 2. During the design, I chose not to have the HVAC and car chargers run off the Powerwall.
Read more: notateslaapp
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