Utilities have upgraded the infrastructure for rooftop power in richer neighborhoods, but low-income areas don’t have the same capacity.
If the United States is ever to make a dent in its production of planet-warming carbon emissions, it will have to crank up the use of solar energy, much of which can be generated from rooftops on homes and businesses. Solar provides only 3 percent of the US energy supply today, but the White House and states like California are pushing to boost that to more than 40 percent in the coming decades.
To get there, home and business owners will need more financial incentives to install photovoltaic panels, while large-scale solar
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