Chile recently commissioned its first standalone battery energy storage system (BESS) project, also the first in Latin America – the 800 MWh BESS Del Desierto. The commentary surrounding this event is all about curtailment, with a side order of concern following on from the February blackout. Chile is a long, coastal line of a country and the distance from the Atacama Desert (the sunniest place in the world, housing 61% of national solar capacity), and the capital Santiago is 1,600 kilometers. Of any market in the world, this is the one that exaggerates the expense of grid development the most, but even here, only 20% of all curtailment is caused by grid congestion, with fully 80% being due to excess…