Energy consumption in buildings is considered a significant portion of gross power dissipation, so a great effort is required to design efficient construction. In severe hot weather conditions as Kuwait, energy required for building cooling and heating results in a huge energy loads and consumption and accordingly high emission rates of carbon dioxide. So, the main purpose of the current work is to convert the existing institutional building to near net-zero energy building (nNZEB) or into a net-zero energy building (NZEB). A combination of integrated high concentrated photovoltaic (HCPV) solar modules and evacuated tube collectors (ETC) are proposed to provide domestic water heating, electricity load as well as cooling consumption of an institutional facility. An equivalent circuit model for single diode is implemented to evaluate triple junction HCPV modules efficiency considering concentration level and temperature effects. A code compatible with TRNSYS subroutines is introduced to optimize evacuated tube collector efficiency. The developed models are validated through comparison with experimental data available from literature. The efficiency of integrated HCPV-ETC unit is optimized by varying the different system parameters. Transient simulation program (TRNSYS) is adapted to determine the performance of various parts of HCPV-ETC system. Furthermore, a theoretical code is introduced to evaluate the environ mental effects of the proposed building when integrated with renewable energy systems. The integrated HCPV-ETC fully satisfies the energy required for building lighting and equipment. Utilizing HCPV modules of orientation 25? accomplishes a minimum energy payback time of about 8 years. Integrated solar absorption chiller provides about 64% of the annual air conditioning consumption needed for the studied building. The energy payback period (EPT) or solar cooling system is about 18 years which is significantly larger than that corresponding to HCPV due to the extra expenses of solar absorption system. The life cycle savings (LCS) of solar cooling absorption system is approximately $2400/year. Furthermore, levelized cost of energy of solar absorption cooling is $0.21/kWh. Hence, the net cost of the solar system after subtracting the CO 2 emission cost will be close to the present price of conventional generation in Kuwait (about $0.17/kWh). Finally, the yearly CO 2 emission avoided is approximately 543 ton verifying the environmental benefits of integrated HCPV-ETC arrangements in Kuwait.
KeywordsHigh Concentrated PhotovoltaicEvacuated Tube CollectorNet-Zero Energy Building
Voss, K., Goetzberger, A., Bopp, G., Haberle, A., Heinzel, A. and Lehmberg, H. (1996) The Self-Sufficient Solar House in Freiburg—Results of 3 Years of Operation. Solar Energy, 58, 17-23. https://doi.org/10.1016/0038-092X(96)00046-1
Marszal, A.J., Heiselberg, P., Bourrelle, P., Musall, E., Voss, K., Sartori, I. and Napolitano, A. (2011) Zero Energy Building—A Review of Definitions and Calculation Methodologies. Energy and Buildings, 43, 971-979. https://doi.org/10.1016/j.enbuild.2010.12.022
Rahman, M.M., Rasul, M.G. and Khan, M.M.K. (2010) Energy Conservation Measures in an Institutional Building in Sub-Tropical Climate in Australia. Applied Energy, 87, 2994-3004. https://doi.org/10.1016/j.apenergy.2010.04.005
Oliver, M. and Jackson, T. (2001) Energy and Economic Evaluation of Building Integrated Photovoltaics. Energy, 26, 431-439. https://doi.org/10.1016/S0360-5442(01)00009-3
Tsoutsos, T., Aloumpi, E., Gkouskos, Z. and Karagiorgas, M. (2010) Design of a Solar Absorption Cooling System in a Greek Hospital. Energy and Buildings, 42, 265-272. https://doi.org/10.1016/j.enbuild.2009.09.002
Reijenga, T.H. (2000) Energy Efficient and Zero-Energy Building in the Netherlands. In: International Workshop on Energy Efficiency in Buildings in China for the 21st Century, CBEEA, Beijing.
Gilijamse, W. (1995) Zero-Energy Houses in the Netherlands. Proceedings of Building Simulation’ 95, Madison, WI, 14-16 August 1995, 276-283.
Rüther, R. and Braun, P. (2009) Energetic Contribution Potential of Building-Integrated Photovoltaics on Airports in Warm Climates. Solar Energy, 83, 1923-1931. https://doi.org/10.1016/j.solener.2009.07.014
Zhai, X.Q., Wang, R.Z., Dai, Y.J. and Wu, J.Y. (2008) Experience on Integration of Solar Thermal Technologies with Green Buildings. Renewable Energy, 33, 1904-1910. https://doi.org/10.1016/j.renene.2007.09.027
Yin, H.M., Yang, D.J. Kelly, G. and Garant, J. (2013) Design and Performance of a Novel Building Integrated PV/Thermal System for Energy Efficiency of Buildings. Solar Energy, 87, 184-195. https://doi.org/10.1016/j.solener.2012.10.022
Keoleian, A. and Lewis, G. (2003) Modeling the Life Cycle Energy and Environmental Performance of Amorphous Silicon BIPV Roofing in the US. Renewable Energy, 28, 271-293. https://doi.org/10.1016/S0960-1481(02)00022-8
Tsalikis, G. and Martinopoulos, G. (2015) Solar Energy Systems Potential for Nearly Net Zero Energy Residential Buildings. Solar Energy, 115, 743-756. https://doi.org/10.1016/j.solener.2015.03.037
Adapting Integrated High Concentrated PV Modules and Evacuated Tube Collectors to Minimize Building Energy Consumption in Hot Climate — Oak Academic Publishing
Avoided CO2 Emission
Aelenei, D., Lopes, R., Aelenei, L. and Gonçalves, H. (2019) Investigating the Potential for Energy Flexibility in an Office Building with a Vertical BIPV and a PV Roof System. Renewable Energy, 137, 189-197. https://doi.org/10.1016/j.renene.2018.07.140
Lopes, R., Martins, J., Aelenei, D. and Lima, C. (2016) A Cooperative Net Zero Energy Community to Improve Load Matching. Renewable Energy, 93, 1-13. https://doi.org/10.1016/j.renene.2016.02.044
Ayadi, O. and Al-Dahidi, S. (2019) Comparison of Solar Thermal and Solar Electric Space Heating and Cooling Systems for Buildings in Different Climatic Regions. Solar Energy, 188, 545-560. https://doi.org/10.1016/j.solener.2019.06.033
Rafique, M., Rehman, S. and Alhems, M. (2018) Developing Zero Energy and Sustainable Villages—A Case Study for Communities of the Future. Renewable Energy, 127, 565-574. https://doi.org/10.1016/j.renene.2018.04.087
Karunathilake, H., Hewage, K., Merida, W. and Sadiq, R. (2019) Renewable Energy Selection for Net-Zero Energy Communities: Life Cycle-Based Decision Making under Uncertainty. Renewable Energy, 130, 558-573. https://doi.org/10.1016/j.renene.2018.06.086
Heine, K., Thatte, A. and Tabares-Velasco, P. (2019) A Simulation Approach to Sizing Batteries for Integration with Net-Zero Energy Residential Buildings. Renewable Energy, 139, 176-185. https://doi.org/10.1016/j.renene.2019.02.033
Sharma, V., Haque, M. and Aziz, S. (2019) Energy Cost Minimization for Net Zero Energy Homes through Optimal Sizing of Battery Storage System. Renewable Energy, 141, 278-286. https://doi.org/10.1016/j.renene.2019.03.144
Miller, W., Liu, L., Amin, Z. and Gray, M. (2018) Involving Occupants in Net-Zero-Energy Solar Housing Retrofits: An Australian Sub-Tropical Case Study. Solar Energy, 159, 390-404. https://doi.org/10.1016/j.solener.2017.10.008
Hachem-Vermette, C., Guarino, F., Rocca, V. and Cellura, M. (2019) Towards Achieving Net-Zero Energy Communities: Investigation of Design Strategies and Seasonal Solar Collection and Storage Net-Zero. Solar Energy, 192, 169-185. https://doi.org/10.1016/j.solener.2018.07.024
Vieira, F., Moura, P. and Almeida, A. (2017) Energy Storage System for Self-Consumption of Photovoltaic Energy in Residential Zero Energy Buildings. Solar Energy, 103, 308-320. https://doi.org/10.1016/j.renene.2016.11.048
Ascione, F., Borrelli, M., DeMasi, F., Rossi, F. and Vanoli, G. (2019) A Framework for NZEB Design in Mediterranean Climate: Design, Building and Set-up Monitoring of a Lab-Small Villa. Solar Energy, 184, 11-29. https://doi.org/10.1016/j.solener.2019.03.083
Ascione, F. (2017) Energy Conservation and Renewable Technologies for Buildings to Face the Impact of the Climate Change and Minimize the Use of Cooling. Solar Energy, 154, 34-100. https://doi.org/10.1016/j.solener.2017.01.022
Maurer, C., Cappel, C. and Kuhn, T. (2017) Progress in Building-Integrated Solar Thermal Systems. Solar Energy, 154, 158-186. https://doi.org/10.1016/j.solener.2017.05.065
Sandra, R., Manuela, M. and Almeida, G. (2019) Environmental and Cost Life Cycle Analysis of the Impact of Using Solar Systems in Energy Renovation of Southern European Single-Family Buildings. Renewable Energy, 137, 82-92. https://doi.org/10.1016/j.renene.2018.04.036
Liu, C.Y., Yuan, S., Dong, J.R. and Chua, S.J. (2004) Temperature Dependence of Photo-Luminescence Intensity from AlGaInP/GaInP Multi-Quantum Well Laser Structure. Journal of Crystal Growth, 268, 426-431. https://doi.org/10.1016/j.jcrysgro.2004.04.067
Nelson, J. (2003) The Physics of Solar Cells. Imperial College Press, London.
Newman, F., Aiken, D., Patel, P., Chumney, D., Aeby, I., Hoffman, R. and Sharps, O. (2009) Optimization of Inverted Metamorphic Multi-Junction Solar Cells for Field Deployed Concentrating PV Systems. 34th IEEE Photovoltaic Specialists Conference (PVSC), Philadelphia, PA, 7-12 June 2009, 1611-1616. https://doi.org/10.1109/PVSC.2009.5411385
Segev, G., Mittelman, G. and Kribus, A. (2012) Equivalent Circuit Models for Triple-Junction Concentrator Solar Cells. Solar Energy Materials and Solar Cells, 98, 57-65. https://doi.org/10.1016/j.solmat.2011.10.013
Ben Or, A. and Appelbaum, J. (2013) Estimation of Multi-Junction Solar Cell Parameters. Progress in Photovoltaics: Research and Applications, 21, 713-723. https://doi.org/10.1002/pip.2158
Nishioka, K., Takamoto, T., Agui, T., Kaneiwa, M., Uraoka, Y. and Fuyuki, T. (2004) Evaluation of InGaP/InGaAs/Ge Triple-Junction Solar Cell under Concentrated Light by Simulation Program with Integrated Circuit Emphasis. Japan Journal of Applied Physics, 43, 882-890. https://doi.org/10.1143/JJAP.43.882
Nishioka, K., Sueto, T., Uchina, M. and Ota, Y. (2010) Detailed Analysis of Temperature Characteristics of an InGaP/InGaAs/Ge Triple-Junction Solar Cell. Journal of Electronic Materials, 39, 704-708. https://doi.org/10.1007/s11664-010-1171-y
Almonacid, F., Fernandez, E., Perez-Higueras, P., Rodrigo, P. and Rus Casas, C. (2013) Estimating the Maximum Power of a High Concentrator Photovoltaic (HCPV) Module Using an Artificial Neural Network. Energy, 53, 165-172. https://doi.org/10.1016/j.energy.2013.02.024
Fernandez, E., Almonacid, F., Rodrigo, P. and Perez-Higueras, P. (2014) Calculation of the Cell Temperature of a High Concentrator Photovoltaic Module: A Study and Comparison of Different Methods. Solar Energy Materials & Solar Cells, 121, 144-151. https://doi.org/10.1016/j.solmat.2013.11.009
Klein, S.A., et al. (2018) TRNSYS, A Transient Simulation Program. Version 17, University of Wisconsin-Madison, Madison, WI.
Azurspace Solar Power GmbH (2019) https://www.azurspace.com
Ghoneim, A.A., Kandil, M.K., Alzanki, T.H. and Alenezi, M.R. (2018) Performance Analysis of High Concentrated Multi-Junction Solar Cells in Hot Climate. International Journal of Sustainable Energy, 37, 294-310. https://doi.org/10.1080/14786451.2016.1270284
Ghoneim, A.A. (2018) Performance Optimization of Evacuated Tube Collector for Solar Cooling of a House in Hot Climate. International Journal of Sustainable Energy, 37, 193-208. https://doi.org/10.1080/14786451.2016.1256886
Duffie, J.A. and Beckman, W.A. (2013) Solar Engineering of Thermal Processes. 4th Edition, John Wiley & Sons Inc., New York. https://doi.org/10.1002/9781118671603
EPA United States Environmental Protection Agency (2011) Calculations and References; CO2 Emission Factor, Clean Energy.