Efficiency

June 4, 2025

Energy·News

GCL Achieves 27.34% Efficiency in Perovskite-Silicon Tandem Solar Modules, Eyes $0.075/W Production Cost

GCL Optoelectronics, a unit of GCL Group, achieved a 27.34% power conversion efficiency for its 2,050 cm² perovskite-silicon tandem solar module, as certified by China’s Academy of Metrology in October 2024. This

Representative Image: Askemo home appliances. Photo Source: Own work (CC BY-SA 4.0)

Energy·News·USA

DOE Delays Appliance Efficiency Standards, Impacting Consumer Costs

The Department of Energy (DOE) under the Trump administration has postponed three energy efficiency mandates for home appliances that were established during the Biden administration. The delayed rules affect walk-in coolers and freezers, gas instantaneous water heaters, and test procedures

March 26, 2025