Success Stories: NAILG Secures NIW Approval for Bangladeshi Researcher Advancing Renewable Energy Efficiency and Sustainability
Client’s Testimonial:
On October 29th, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Teaching Assistant / Research Assistant in the field of Renewable Energy Systems (Approval Notice).
General Field: Renewable Energy Systems
Position at the Time of Case Filing: Teaching Assistant and Research Assistant
Country of Origin: Bangladesh
State of Residence at the Time of Filing: Wisconsin
Approval Notice Date: October 29th, 2025
Processing Time: 1 month, 25 days (Premium Processing Requested)
Case Summary:
The transition to sustainable energy depends on researchers who can push the limits of technology and improve the efficiency of clean energy systems. A researcher in renewable energy systems recently received EB-2 NIW (National Interest Waiver) approval with the assistance of North America Immigration Law Group (NAILG). His pioneering work integrates solar energy generation and advanced battery optimization to enhance the reliability, performance, and sustainability of energy infrastructures, an area of clear national importance to the United States.
At the time of filing, the client was engaged in research focused on developing integrated renewable energy systems that combine solar power generation with next-generation energy storage solutions. His studies apply data-driven modeling and optimization techniques to improve energy conversion efficiency and system reliability while reducing the cost of clean power delivery. This research supports the United States’ long-term goals of achieving carbon neutrality and energy independence by enabling smarter, more efficient renewable technologies.
Research with Substantial Merit and National Importance:
The client’s proposed endeavor focuses on developing and optimizing renewable energy systems through advancements in solar energy generation and battery technologies. His work seeks to enhance the stability and resilience of energy networks while lowering production costs, key steps toward building a cleaner and more sustainable energy future. By improving energy efficiency and storage reliability, his research contributes directly to U.S. energy security and environmental policy objectives.
His research achievements include:
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6 peer-reviewed journal articles (including 1 first-authored) and 2 peer-reviewed conference papers.
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54 citations to his published body of work.
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6 completed peer reviews for respected journals in the energy systems field.
His findings have provided valuable frameworks for designing and evaluating solar-battery hybrid systems, offering strategies that can significantly reduce energy waste and strengthen renewable infrastructure.
NIW Approval and Outlook:
NAILG’s strategic presentation of his credentials and evidence led to the successful approval of his NIW petition. This outcome affirms the petitioner’s role as a capable researcher contributing meaningfully to the United States’ clean energy transformation.
Through his continued pursuit of innovative solar and battery system solutions, he will remain an essential contributor to advancing sustainable energy technology and addressing critical challenges in energy efficiency and infrastructure reliability.

