Brazil Solar Mega-Project Studies Bitcoin Mining Plan

TLDR

• Engie received full commercial approval for the Assu Sol solar complex in Brazil on February 13, 2026.
• The project has a peak capacity of 895 MWp and includes 16 plants with over 1.5 million panels.
• Brazil has faced recurring curtailment since 2023 due to grid bottlenecks and excess renewable generation.
• Engie is studying Bitcoin mining as a flexible offtaker to monetize surplus electricity.
• The company estimates it would need about two years to deploy any mining or storage solution.

Engie has secured full approval for its Assu Sol solar complex in Brazil and has begun studying Bitcoin mining to monetize surplus electricity. The project reached commercial clearance on February 13, 2026, and now operates as the company’s largest solar asset worldwide. Engie plans to evaluate mining and battery storage to capture value from recurring grid curtailment.

Brazil Grid Bottlenecks Drive Search for Flexible Demand

Brazil has expanded wind and solar generation faster than its transmission infrastructure has developed, and that gap has led to recurring curtailment since 2023. Grid operators have forced plants to shut down during oversupply periods, and producers have lost revenue on unused megawatt-hours. Engie now seeks a flexible demand solution that can consume excess electricity behind the meter and reduce financial losses.

The Assu Sol complex carries 895 MWp of peak capacity and 753 MW of installed capacity across 16 plants. The BRL 3.3 billion project spans more than 1.5 million photovoltaic panels in northeastern Brazil. Brazilian authorities granted full commercial approval on February 13, 2026, and Engie confirmed operational status.

Bitcoin Mining and Storage Under Review

Engie is assessing whether Bitcoin mining facilities can operate as a flexible offtaker for surplus power. Mining rigs can switch on and off quickly, and operators can match activity with excess generation periods. The company has stated that it does not seek speculative crypto exposure but aims to protect plant revenues.

Eduardo Sattamini, Engie’s country manager in Brazil, addressed the timeline for any deployment. He said, “We would need around two years to develop and implement a mining or storage solution.” He also confirmed that Engie continues to evaluate utility-scale battery systems as an alternative option.

Brazil’s foreign trade council has reduced import duties to zero on high-efficiency mining equipment through January 2028. That temporary measure lowers capital expenditure requirements for energy-linked mining operations. Engie is reviewing both mining and storage models before making a final investment decision.

The company has framed the initiative as a revenue management strategy tied to curtailed output. Engie plans to operate any mining capacity only during periods of excess supply. Company officials have confirmed that studies remain ongoing and that no final commitment has been announced.

Assu Sol now stands as Engie’s largest solar asset globally, and the company continues to monitor grid conditions in Brazil. Executives have stated that the project must align with regulatory requirements and operational standards.

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