We are generally well prepared to avoid potential power outages, said Elliot Mainzer, president of the California Independent System Operator. We've taken important steps to bring new clean energy and capacity onto the system, but we must stay diligent.
Heat waves strain the electric grid because homes and businesses crank up their air conditioners, putting pressure on system operators to meet the surge in demand.
On July 8, for example, CAISO operators had about 55,000 megawatts of supply on hand to meet an estimated demand of just over 43,000 megawatts - a fairly comfortable cushion of around 12,000 megawatts.
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