A flex alert is issued by the ISO when the electricity grid is under stress because of generation or transmission outages, or from persistent hot temperatures. The California Independent System Operator (ISO) has issued a statewide call for voluntary electricity conservation for the third straight day. The most recent ‘Flex Alert’, as the action has been dubbed, was implemented for September 2, from 4pm to 9pm. A flex alert is issued by the ISO when the electricity grid is under stress because of generation or transmission outages, or from persistent hot temperatures, ISO’s flex alert website states. “With triple-digit temperatures in much of California and the West, the power grid operator is again expecting high electricity demand, primarily from air conditioning use, and needs voluntary conservation steps to help balance supply and demand,” the flex alert site notes. “The flex alert covers that time of day when the grid […]