• C.S. Rajoria, Sanjay Agrawal, G. N. Tiwari, 2013. Exergetics and enviroeconomics analysis of novel hybrid PVT array. Solar Energy 88, 110-119.
• G. K. Singh, Sanjay Agrawal and G. N. Tiwari, Analysis of Different Types of Hybrid Photovoltaic Thermal Air Collectors: A Comparative Study, Journal of Fundamentals of Renewable Energy and Applications,doi:10.4303/jfrea/R120305.
• R.K. Mishra, G. N. Tiwari. Energy and exergy analysis of hybrid photovoltaic thermal water collector for constant collection temperature mode Original Research Article Solar Energy, 90, April 2013
• R.K. Mishra, G. N. Tiwari, Energy Matrices Analyses of hybrid photovoltaic thermal (HPVT) water collector with different PV Technology Original Research Article Solar Energy, 91, May 2013,
• Sanjay Agrawal, and G. N. Tiwari, Enviroeconomic analysis and energy matrices of glazed hybrid photovoltaic thermal module air collector, Solar Energy, 92(2013)139-146.
• Sanjay Agrawal and G. N. Tiwari, Overall energy, exergy and carbon credit earned by different type of hybrid photovoltaic thermal air collectors, Energy conversion and Management, 65(2013)628-636.
• Sujata Nayak, G. N. Tiwari, Energy matrices analysis of hybrid PVT greenhouse dryer by considering various silicon and non – silicon PV modules Original Research Article International Journal of Sustainable Energy 2013 (Article in Press)
• Rakhi Sharma, G. N. Tiwari, Life cycle assessment of stand-alone photovoltaic (SAPV) system under on-field conditions of New Delhi, India, Energy Policy, Volume 63, December 2013, Pages 272-282
• Ragh Vendra Singh, Shiv Kumar, M.M. Hasan, M. Emran Khan, G. N. Tiwari, Performance of a solar still integrated with evacuated tube collector in natural mode, Desalination, Volume 318, 3 June 2013, Pages 25-33
• Ankita Gaur, G. N. Tiwari, Performance of Photovoltaic Modules of Different Solar Cells, J. Sol. Energy (2013) (http://dx.doi.org/10.1155/2013/734581).
