How a household survived a natural hazard-triggered blackout with photovoltaic and battery energy system: A report of 2018 Hokkaido Eastern Iburi Earthquake in Japan
This report aimed to determine the activities that a household with electricity supply from an energy generating and storage system could undertake (i.e., the electrical appliances that they used) during a blackout. The researchers interviewed a representative of a household with a PV and battery system that experienced a large-scale blackout triggered by the 2018 Hokkaido Eastern Iburi Earthquake.
The results showed that the household lived without inconveniences during the blackout due to the power supply from the installed system, despite the weather. They charged cell phones and used a television, refrigerator, microwave oven, cooking heater, and bath. Moreover, the household’s electricity was also supplied to other households. These results clarified the actual benefit of enhancing household and community resilience of the systems. The results will aid household decision-making for the installation and governmental consideration of subsidies.
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