Tulsa World

Report bullish on solar

But major investment in the US electric grid would be needed

- MATTHEW DALY

WASHINGTON — Solar energy has the potential to supply up to 40% of the nation’s electricit­y within 15 years — a 10-fold increase over current solar output, but one that would require massive changes in U.S. policy and billions of dollars in federal investment to modernize the nation’s electric grid, a new federal report says.

The report by the Energy Department’s Office of Energy Efficiency and Renewable Energy says the United States would need to quadruple its annual solar capacity — and continue to increase it year by year — as it shifts to a renewable-dominant grid in order to address the existentia­l threat posed by climate change.

The report released Wednesday is not intended as a policy statement or administra­tion goal, officials said. Instead, it is “designed to guide and inspire the next decade of solar innovation by helping us answer questions like: How fast does solar need to increase capacity and to what level?” said Becca Jones-Albertus, director of the Energy Department’s solar energy technologi­es office.

Energy Secretary Jennifer Granholm said in a statement that the study “illuminate­s the fact that solar, our cheapest and fastest-growing source of clean energy, could produce enough electricit­y to power all of the homes in the U.S. by 2035 and employ as many as 1.5 million people in the process.”

The report comes as President Joe Biden declared climate change has become “everybody’s crisis” during a visit to neighborho­ods flooded by the remnants of Hurricane Ida. Biden warned Tuesday that it’s time for America to get serious about the “code red” danger posed by climate change.

“We can’t turn it back very much, but we can prevent it from getting worse,” Biden said before touring a New Jersey neighborho­od ravaged by severe flooding caused by Ida.

The natural disaster has given Biden an opening to push Congress to approve his plan to spend $1 trillion to fortify infrastruc­ture nationwide, including electrical grids, water and sewer systems, to better defend against extreme weather.

The U.S. installed a record 15 gigawatts of solar generating capacity in 2020, and solar now represents about just over 3% of the current electricit­y supply, the Energy Department said.

The “Solar Futures Study,” prepared by DOE’s National Renewable Energy Laboratory, shows that, by 2035, the United States would need to quadruple its yearly solar capacity additions and provide 1,000 GW of power to a renewable-dominant grid.

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