US President Biden has declared an emergency concerning the US power supply and has invoked the Defense Production Act to boost domestic solar manufacturing, while announcing a two-year lifting of import duties on solar cells and modules from Southeast Asia. This comes after more than a month of warnings of power shortfalls from California, Texas’ ERCOT, the Midcontinent Independent Systems Operator (MISO), the Federal Energy Regulatory Commission (FERC) and the North American Electric Reliability Corporation (NERC). Among other things, the White House’s Declaration of Emergency states, “In order to ensure electric resource adequacy, utilities and grid operators must engage in advance planning to build new capacity now to serve expected customer demand… Additions of solar capacity and batteries were expected to…