Author: US Department of Energy

Downtown Frankfort, KY during lunch, Image courtesy of Kaplansa, Public domain, via Wikimedia Commons

Why Frankfort, Kentucky, Set A 2023 Clean Energy Goal

In October 2021, the city of Frankfort, Kentucky, set a very accelerated and ambitious clean energy goal: to supply 100% clean, renewable electricity to city government operations by the end of 2023. “We need that pressure to hold ourselves accountable,” Frankfort City Commissioner Kelly May said. “Had we not hired … [continued]

CdTe solar cells are the second-most common photovoltaic technology after silicon solar cells. In 2022, they represented about one-third of the U.S. utility-scale solar market. CdTe solar cells rely on a thin film of material to absorb light and convert it into electricity. Photo by Dennis Schroeder, NREL

In Ultrathin Layers, NREL Researchers Find A Path To Better Materials

Unexpected Crystalline Structure Explains Mechanism of Long-Used Solar Cell Treatment and Hints That Further Materials Discoveries Await For more than three decades, photovoltaic researchers have known that the addition of a single chemical — cadmium chloride — creates better-performing cadmium telluride (CdTe) solar cells. But they have not understood exactly … [continued]

Image credit: Andy Sproles/ORNL, U.S. Dept. of Energy

Most Battery Cells & Battery Packs In Plug-In Vehicles Sold In The US From 2010…

According to Argonne National Laboratory, most battery cells and battery packs in plug-in electric vehicles (PEVs) sold in the United States from 2010 to 2021 were domestically produced. In terms of total energy capacity in gigawatt-hours (GWh), 57% of battery cells and 84% of battery packs were produced in the … [continued]