This book presents a comprehensive and systematic framework for renewable energy and environmental sustainability, with a strong emphasis on the integration of diverse renewable energy sources, energy conversion technologies, and sustainable system architectures. It explains the fundamental principles and advanced concepts required for the design and operation of low-carbon, energy-efficient, and environmentally responsible energy systems. By addressing both resource assessment and system integration, the book provides a holistic understanding of modern sustainable energy infrastructures. The book discusses renewable energy technologies such as solar, wind, hydro, biomass, geothermal, and hydrogen energy systems, along with their integration into hybrid and smart energy networks. Advanced power electronics interfaces, grid-connected and standalone system architectures, and control strategies are presented in detail to ensure efficient power conversion, high power quality, and reliable operation under variable environmental and load conditions. Emphasis is placed on adaptive, robust, and optimization-based control techniques that enhance system stability, operational flexibility, and overall efficiency. The book bridges the gap between theoretical development and real-world implementation by presenting validated system models, numerical illustrations, and representative case studies.

Dr. Sunil Kadiyan is an Associate Professor in the Department of Mechanical Engineering at Ganga Institute of Technology and Management (GITAM), Kablana, Haryana, India. He obtained his bachelor’s degree in mechanical engineering from NCCE, Israna (Kurukshetra University) in 2008, followed by a master’s degree in mechanical engineering from Deenbandhu Chhotu Ram University of Science and Technology (DCRUST), Murthal in 2011. He earned his Ph.D. in Materials Science and Nanotechnology from DCRUST, Murthal in 2020, with research focused on severe plastic deformation and microstructure evolution of engineering alloys. He began his academic career in 2011 at Panipat Institute of Technology and Management, Samalkha, where he served for nearly nine years as an Assistant Professor and contributed to both academic and administrative activities. Since November 2021, he has been associated with GITAM, Kablana, where he is actively involved in teaching, research, and institutional quality initiatives. Dr. Kadiyan has published extensively in high-impact international journals and conferences indexed in SCI/SCIE and Scopus, with publications appearing in Elsevier, Springer, Taylor & Francis, Wiley, IEEE, and IOP venues.

Dr. Sombir Kundu received his B.Tech. degree in Electrical Engineering from Maharishi Dayanand University (MDU), Rohtak, Haryana, India, in 2011, and his M.Tech. degree in Electrical Engineering (Power Systems) from Deenbandhu Chhotu Ram University of Science and Technology (DCRUST), Murthal, Haryana, India, in 2014. He received his Ph.D. degree in Electrical Engineering from Delhi Technological University (DTU), New Delhi, India, in 2023.

He began his academic career in August 2014 as an Assistant Professor in the Department of Electrical Engineering, School of Engineering and Technology, a unit of Ganga Technical Campus, Bahadurgarh, Haryana, India. In May 2022, he joined the Department of Electrical Engineering, Ganga Institute of Technology and Management, Jhajjar, Haryana, India, as an Assistant Professor. He is currently serving as an Associate Professor in the Department of Electrical Engineering at MMEC, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, India.

Dr. Kundu has authored and co-authored 47 research publications in reputed international journals and conferences, including publications in IEEE Transactions and journals published by Elsevier, Wiley, Taylor & Francis, and Springer. He has also contributed five book chapters published by Elsevier and CRC Press and has edited a book published by Springer Nature, Singapore. He is currently guiding three Ph.D. scholars. His academic and research contributions have been recognized with the Research and Innovation Excellence Award at Delhi Technological University, New Delhi, in 2024, 2025, and 2026.

He has served as a Session Chair at the International Conference on Intelligent Computing, Simulation and Optimization, held in Goa, India, during December 08–10. He is serving as an Editor of Scientific Reports (Springer Nature) and International Transactions on Electrical Energy Systems (Wiley). Additionally, he is an EV Certified Trainer, having received specialized training from LSW MG Motors Pvt. Ltd., India, in Electric Vehicle Technology.

His research interests include power electronics, renewable energy systems, microgrids, power quality improvement, electric vehicles, energy storage systems, and the development and application of adaptive and robust control techniques for renewable energy-integrated microgrids.

Ashutosh K Giri received his Bachelor of Engineering in Electrical Engineering from College of Technology, G. B. Pant University of Agriculture and Technology, Pantnagar Uttarakhand, India, in 2002, M.E in Electrical Engineering with specialization in Power System from the L.D. College of Engineering, Ahmedabad, Gujarat, India in 2005 and PhD from the department of Electrical Engineering, Sardar Vallabh National Institute of Technology, Surat, India in 2020. In May 2011, he joined the Department of Electrical Engineering, Government Engineering College, Bharuch, as an Assistant Professor. He has authored and co-authored more than 60 research articles in reputed journals such as IEEE Transactions, IET Journal, Wiley, Tailor Francis, Springer etc. He has also authored and co authored 10 book chapters published in Elsevier, Springer Publication and CRC Press. Also, he has edited or authored 5 books in Elsevier, CRC Press and Springer Nature Singapore respectively. He is working on four sponsored research projects. He is supervising or co-supervising 6 PhD students (1 completed in DTU New Delhi and 5 in progress in GTU, Ahmedabad and other universities) and coordinated 6 Short Term Courses. He has delivered more than 35 national and international level expert talks at various reputed universities across India.