COST-BENEFIST ANALYSIS OF PV GENERATORS AT RESIDENTIAL BUILDINGS IN THE REGION OF RUSE, BULGARIA
Abstract
In this study a method for cost-benefit analysis of investments in PV generators at residential buildings has been presented. The benefits are evaluated in two categories: financial benefits in terms of net present value of the money and the return on the investment; the ecological benefits presented in saved CO2 emissions in tons and in percentages. A cost-benefit analysis of a PV investment at an apartment in the city of Ruse is presented with different scenarios in terms of installed power. Two risk factors are also evaluated – the buying price of PV energy and the selling price of conventional energy. The obtained results showed that the investment could payback for 6 to 9 years, if the installation is properly sized. The ecological benefits have been evaluated to be approximately 1 t CO2 annually or a reduction of 35% to 42%.
References
Covenant of Mayors, (2010). Technical annex to the SEAP template instructions document: The emission factors.
El-Shafy, N. (2009). An Optimum Control Strategy for Energy Management in a Remote Area Stand-Alone PV System. The Open Renewable Energy Journal, 2, 91-98.
Elhassan, Z. A. M., Zain, М. F. M., Sopian, К., Abass, A. A. (2012). Design and performance of photovoltaic power system as a renewable energy source for residential in Khartoum. International Journal of the Physical Sciences, 7 (25), 4036-4042.
Ghaemi, S., Brauner, G. (2009). User behavior and patterns of electricity use for energy saving. Internationale Energiewirtschaftstagung an der TU Wien, IEWT (2009).
Kolhe, M., Kolhe, S., Joshi, J. C. (2002). Economic Viability of Stand-alone Solar Photovoltaic System in Comparison with Dieselpowered System for India. J. Energy Economics, 24 (2):155-165.
Manohar, K., Ramkissoon, R., Adeyanju, A. (2015). Cost Benefit Analysis of Implementing a Solar Photovoltaic System. International Journal of Innovative Research in Science, Engineering and Technology, 4 (12), 1-8.
Ministry of the Environment and Water. (2014). Estimation and forecast of the emission factor of greenhouse gases for the national electrical network of Bulgaria for the period 2014-2020 (In Bulgarian), Sofia, Bulgaria. http://www5.moew.government.bg/wpcontent/uploads/file/Climate/Climate_Change_Policy_Directorate/IECCP/AKTUALNO/Bulgaria_EGEF_2014.pdf
Paateron, J., Lund, P. (2005). A model for generating household electricity load profiles. Int. J. Energy Res, 30, 273–290.
Ranabhat, K, Patrikeev, L., Revina, A.A., Adrianov, K., Sofronova, E. (2016). An introduction to solar cell technology. Journal of Applied Engineering Science, 14 (4), 405, 481-491.
Ziuku S., Meyer, E. (2012). Economic viability of a residential building integrated photovoltaic generator in South Africa. International Journal of Energy And Environment, 3 (6), 905-914.
https://www.sunnyportal.com, retrieved on February 1st, 2017.
http://www.nrel.gov/analysis/tech_cost_om_dg.html, retrieved on February 1st, 2017.
http://www.motto-engineering.com/bg/produkti/solarni-sistemi/mrezhovi-solarni-sistemi/mrejova-fotovoltaichna-sistema-3kwp-153-detail, retrieved on February 1st, 2017.
h t t p : / / e c o s o l a r - b g . c o m / network-photovoltaic-plants, retrieved on February 1st, 2017.
https://www.energo-pro.bg/bg/Operate-the-Electricity-Household-Customers, retrieved on February 1st, 2017.
