【SMM PV News】Brazil Wastes 20% of Solar and Wind Power in 2025

Published: Feb 3, 2026 09:26

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Brazil failed to utilize nearly 20% of its solar and wind generation in 2025, resulting in an estimated financial loss of BRL 6.5 billion, according to Volt Robotics. The report highlights a structural shift where excess supply, rather than scarcity, is now the primary risk, causing average generation cuts of 4,021 MW. Critical grid stress events jumped to 16 days (up from just one in 2024), with "Sunday mornings" identified as the most vulnerable time due to low demand clashing with peak renewable output. The curtailment was most severe in the "triangle" of Minas Gerais, Ceará, and Rio Grande do Norte, prompting calls for dynamic tariffs and grid reforms to manage the mismatch between rapid renewable expansion and transmission limits.

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