Energy Key Facts —The warning. Chile’s grid operator raised a yellow flag last week over tighter supply conditions this winter. —The cause. Scarce rainfall tied to a delayed El Niño and several large plants being offline have squeezed the system. —The response. The government is weighing a preventive rationing decree while trying to exhaust other […] The post Chile Weighs a Power-Rationing Decree as Drought Strains the Grid appeared first on The Rio Times.