The storm is the latest in a line of hurricanes and extreme heat and cold events that have knocked out power to millions of Americans in recent years for days at a time. — The Conversation
explored what it would take for homes and commercial buildings to ride out long power outages, of three days or more, with solar and batteries., we modeled a generic power outage for every county in the U.S., testing whether a rooftop solar system combined with a 10- or 30-kilowatt-hour battery could power critical loads, like refrigeration, lighting, internet service and well pumps; if it could go further and also power heating and air conditioning; or if it could even power a whole home.
In general, we found that even a modest system of solar plus one battery can power critical loads in a home for days at a time, practically anywhere in the country.that providing backup for cooling and heat can be a challenge, though not an insurmountable one. Homes in the Southeast and Pacific Northwest often have power-hogging electric resistance heaters, exceeding the capability of solar and storage during winter outages. Homes with efficient heat pumps performed better.
Larger solar and battery systems can help, but meeting demand during outages still depends on the weather, how energy efficient the home is and other factors. For example, simple thermostat adjustments during power outages reduce heating and cooling needs and allow solar with storage to maintain backup power over longer periods.Berkeley Lab
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