How one Texas storm exposed an energy grid unprepared for climate change Electric grid regulators said the U.S. will have to develop vast supplies of power storage — such as gigantic batteries — that rely on emerging technologies. Image: Transmission towers and power lines lead to a substation after a snow storm on Feb. 16, 2021 in Fort Worth, Tx. Transmission towers and power lines lead to a substation after a snow storm in Fort Worth, Tx.Ron Jenkins / Getty Images Feb. 17, 2021, 3:00 AM PST / Updated Feb. 17, 2021, 6:44 AM PST By Josh Lederman WASHINGTON — A devastating winter storm that has plunged Texas into an electricity crisis offers warning signs for the U.S. as the Biden administration seeks to prepare for a future in which extreme weather is a greater risk and America is almost entirely powered by renewable energy. Generating energy is one challenge. But an equally daunting task centers on storing power from renewable energy for extreme events like the one hammering Texas.