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QQ Engineering & Consulting

Appointed as the Owner's Engineering project for a utility-scale Solar PV plant from Torrent Power. | Independent and Quality Focused Engineering and Consulting. | Delivered Solar PV Plant- 1.7 GW Pre-Bid Engineering in Middle East. | Executed 33/400 kV Multiple Pooling Substation Pre-bid Engineering Support To One of India’s Leading Developer. | Executed 10 MW (AC) PV + BESS Project Engineering in USA. | Completed Multiple Project Power System Studies and Grid Integration Studies.
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Author: Mohmmad Afzal Kaji, Power System Division QQEC

Mahammad Afzal is a Power System Engineer specializing in Power ystem studies and Renewable energy integration. He has hands-on experience in utility-scale Solar PV and Battery Energy Storage System (BESS) projects, with expertise in load flow analysis, short-circuit studies, reactive power assessment, dynamic simulations, and grid compliance evaluations. Proficient in ETAP and PSCAD, he contributes to technical studies that support reliable grid integration and efficient renewable energy project development.

BESS Sizing and Grid Integration: Power System Studies & Engineering Considerations

Utility-scale BESS can stabilise modern, renewable-heavy power systems by providing strong capacity, peak shaving, and fast frequency response. To achieve high bankability and reliability, there must be robust energy storage system engineering designed for long-term reliability, not just battery hardware. Successful projects rely on carefully considered BESS sizing and grid integration supported by electrical modelling. […]

Reactive Power Requirements in Grid Codes Across Different Countries

Executive Summary As renewable energy penetration increases, Transmission System Operators (TSOs) worldwide have shifted reactive power capability from an optional feature to a mandatory technical requirement. For modern solar PV, wind, and battery storage projects, active participation in voltage regulation at the Point of Interconnection (POI) is now essential for grid stability and project bankability. Blog […]

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