Interconnection Modeling Intern

About Sungrow:

Sungrow North America is a leading provider of renewable energy solutions, specializing in the development and manufacturing of photovoltaic inverters and energy storage systems. The company offers a comprehensive range of products and services designed to optimize the performance and efficiency of solar power installations. Sungrow North America is known for its commitment to innovation, high-quality standards, and exceptional customer service, aiming to provide sustainable and reliable energy solutions to meet the growing demand for clean power.

The Position:

We are seeking an Interconnection Modeling Intern to support all interconnection modeling aspects of our Battery Energy Storage System (BESS) projects across North America. This internship role assists in developing, maintaining, updating, and troubleshooting interconnection models for BESS products, ensuring alignment with utility and regulatory requirements. The ideal candidate will be highly motivated, detail-oriented, and eager to contribute to real-world power system modeling activities while gaining experience working closely with Sungrow’s Principal Engineer – Interconnection Modeling and the broader Technical Solution team.

This position requires a strong academic foundation in dynamic and steady-state modeling, inverter-based resource behavior, control logic, and power conversion system (PCS) characteristics. The intern will help execute key modeling tasks that directly support project approvals, system studies, and model validation efforts across multiple North American ISOs/RTOs.

Key Responsibilities

Interconnection Modeling Development and Support

• Assist in developing, maintaining, updating, and validating BESS interconnection models.
• Support power system studies such as load flow, short circuit, dynamic simulations, and transient stability analyses.
• Help with model testing, debugging, and validation activities.

Python Automation for Modeling & Simulation

• Develop Python scripts to automate PSCAD and PSS®E simulation workflows.
• Contribute to automation frameworks for benchmarking, packaging, and version control.

Interconnection Compliance and Approval Support

• Assist in preparing modeling deliverables for utility, ISO, and regulatory approval processes.
• Help review and interpret interconnection requirements across North American markets.

Model Benchmarking, Troubleshooting, and Quality Assurance

• Support benchmarking of PSCAD and PSS®E results with product specifications.
• Help troubleshoot discrepancies in model responses.

Internal Documentation and Modeling Governance

• Help maintain internal documentation, modeling guidelines, and revision tracking.
• Assist with repository management for modeling artifacts and datasets.

Stakeholder Collaboration

• Coordinate with internal engineering teams and support communication with external partners.

Minimum Requirements

• Actively pursuing a degree in Electrical Engineering or related field.
• Strong foundation in power system modeling and inverter-based resource behavior.
• Experience with PSCAD, PSS®E, and PSLF.
• Python proficiency for automation and data processing.
• Strong analytical and communication skills.

Preferred Qualifications

• Coursework or experience in transmission interconnection, BESS/PV modeling, protection studies.
• Familiarity with ISO/RTO requirements.
• Exposure to PSCAD control modeling or PSS®E user-written models.

Work Location

Remote within the U.S or Canada.; Texas preferred.

Sungrow is an equal opportunity employer. Due to strong interests in this position, Sungrow will only reach out to those candidates who best meet the requirements. Thank you for your interest in Sungrow.

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