• I. Nawaz and G. N. Tiwari, Comparative analysis of conventional and renewable energy sources for atypical Indian Village, Int. Journal of Ambient Energy, 28, 3 (2007)
• A. K. Tiwari and G. N. Tiwari, Thermal modeling based on solar fraction and experimental study of the annual and seasonal performance of a single slope passive solar still: The effect of water depths, Desalination, 207, 184 (2007)
• Anand S. Joshi and G. N. Tiwari, Evaluation of solar radiation and its application for photovoltaic air collector for Indian composite climate, Int. Journal of Energy Research, 31, 811 (2007)
• B. Sarkar, B.C. Mohapatra, S.K. Singh, Dukhia Majhi, N. Sarangi and G. N. Tiwari, Impact on energy consumption in greenhouse fish production, Asian Journal of Agricultural Research, 1, 74-79 (2007)
• A. K. Tiwari and G. N. Tiwari, Annual performance analysis and thermal modeling of passive solar still for different inclinations of condensing cover, Int. Journal of Energy Research, 31, 1358 (2007)
• G. N. Tiwari, Vimal Dimri, U Singh, A. Chel and B. Sarkar, Comparative thermal performance evaluation of an active solar distillation system, Int. Journal of Energy Research, 31, 1465 (2007)
• A.S. Joshi and G. N. Tiwari, Monthly energy and exergy analysis of hybrid photovoltaic thermal (PV/T) system for Indian climate, Int. Journal of Ambient Energy, 28(2), 99 (2007)
• A. Tiwari, V. Raman and G. N. Tiwari, Embodied energy analysis of hybrid photovoltaic thermal (PV/T) water collector, Int. Journal of Ambient Energy, 28(4), 181 (2007)
• Anil Kumar and G. N. Tiwari, Effect of mass on convective heat transfer coefficient during onion flakes drying. Journal of Food Engineering. Vol. 79 (2007), 1337-1350.
• V. Dwivedi and G. N. Tiwari, Comments on the paper entitled “Thermal modeling of Double slope solar still by using inner glass cover temperature” (Published in the International Journal of Applied Engineering Research, ISSN 0973-4562, 2, Number 4 (2007), International Journal of Applied Engineering Research, Accepted.
• G. N. Tiwari, Solar Distillation International Journal of Energy, Environment and Economics, 15(1-2), (2007)
• G. N. Tiwari, Solar greenhouse crop drying International Journal of Energy, Environment and Economics, 15(1-2), (2007)
