Why has Atlas Renewable Energy frozen $1 billion in new renewable investments in Brazil?

Atlas Renewable Energy froze $1 billion in new investments in Brazil because the national grid operator has periodically rejected renewable power—known as curtailment—with rates reaching 15%–25% for its existing projects in the June quarter; this grid rejection, driven by transmission constraints and overcapacity—especially in solar—has made project economics unviable, as curtailed generators are forced to buy replacement power at up to twice their contracted sale price.

What is the main structural problem behind rising curtailment in Brazil's renewable sector, according to CEO Carlos Barrera?

According to CEO Carlos Barrera, the main structural problem is 'overcapacity of solar'—not just insufficient transmission infrastructure—meaning that even if all transmission issues were resolved, excess solar generation would still lead to curtailment; he emphasizes this overcapacity, combined with a market design that penalizes curtailed generators by forcing them to purchase expensive replacement power, is undermining financial viability and delaying investment decisions until at least 2028.

BlackRock's Atlas freezes $1 billion in Brazil renewables investments

Jun 2, 2026

Atlas Renewable Energy, backed by BlackRock, has paused $1 billion in Brazilian solar projects due to severe grid curtailment rates reaching 25%, prompting negative credit outlooks from Fitch Ratings.

reuters

2026-06-02

BlackRock's Atlas freezes $1 billion in Brazil renewables investments

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