AI Summary

Large‑scale solar developers in Brazil have received two updates on past and future generation curtailment, aiming to provide greater certainty and predictability. Despite the new rules, curtailment rates of around 25 % and unclear compensation have driven developers to surrender project authorizations. In 2026, developers gave up authorizations for 923 solar projects, totaling more than 40.6 GW of capacity and representing BRL 134 billion ($26.3 billion) in lost investment, according to ABsolar. The association says curtailment and the lack of clear criteria for classifying and compensating curtailed energy have become decisive factors in investment decisions, even in regions with little curtailment history.

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