Rising renewables penetration is a threat to grid reliability in some regions, NERC concludes
Dive Brief: The North American Electric Reliability Corp. (NERC) expects there to be sufficient resource adequacy across most of the electric grid for the next decade, but also concluded in its 2020 Long-Term Reliability Assessment that there is a growing risk related to the high penetration of renewables in some regions. "Nearly all parts" of the Western Interconnection, Electric Reliability Council of Texas (ERCOT) and Midcontinent ISO (MISO) demonstrate "increased risk over the next five years," the reliability organization said in its assessment released Tuesday. Grid operators say they a...