Solar accounted for most of the capacity the nation added to its electric grids last year. That feat marks the first time since World War II, when hydropower was booming, that a renewable power source has comprised more than half of the nation’s energy additions.
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“It’s really monumental,” said Shawn Rumery, senior director of research at the Solar Energy Industries Association, or SEIA. The trade group announced the 2023 numbers in a report released today with analytics firm Wood MacKenzie. The 32.4 gigawatts that came online in the United States last year shattered the previous high of 23.6 gigawatts recorded in 2021 and accounted for 53 percent of new capacity. Natural gas was next in line at a distant 18 percent.
SEIA called 2023 the best year for renewables since the Second World War. Texas and California led a solar surge driven mostly by utility-scale installations, which jumped 77 percent year-over-year to 22.5 gigawatts. The residential and commercial sectors also reached new milestones. Only the relatively nascent community solar market missed its previous mark, though not by much, said Rumery. Overall he called it an “almost record-setting year across the industry.”
One factor driving all that growth was an easing of supply chain constraints, which had slowed the delivery of solar panels. The problem arose in early 2022
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