A while back, this happened in the US: The North American Electric Reliability Corporation (NERC) discussed a proposed experiment that would relax frequency re

A while back, this happened in the US: The North American Electric Reliability Corporation (NERC) discussed a proposed experiment that would relax frequency regulation requirements. https://www.nerc.com/pa/Stand/Project%2020101422%20Phase%202%20of%20BARC%20%20BAL004%20DL/BAL-004-0_White_Paper_Clean_09242015.pdf https://www.nerc.com/pa/Stand/Project%2020101422%20Phase%202... Was that made permanent, or reverted? I thought I've noticed the accuracy of my older line clock being worse... trending fast. From https://en.wikipedia.org/wiki/Utility_frequency#US_regulations https://en.wikipedia.org/wiki/Utility_frequency#US_regulatio...