List of Articles Payback Period Open Access Article Abstract Page Full-Text 1 - Financial Risk Analysis of CHP Systems under Uncertainty Conditions A. Behbahaninia, M. Amidpoor B. Tasaloti P. Behbahaninia Open Access Article Abstract Page Full-Text 2 - Economic Analysis and Assessing Energy Performance of Simulation-Powered Optimal Window Type and Window to Wall Ratio for Residential Buildings in Tehran Alireza Karimpour Darab Diba Iraj Etessam Open Access Article Abstract Page Full-Text 3 - Feasibility study of replacing solar energy in order to provide different energies, especially desalination of water required by a building essmail mohisenpour Mohammad Ali Ehyaei Ashkan Abdalisousan 10.30495/jest.2022.61092.5405 Open Access Article Abstract Page Full-Text 4 - Solar combi-systems: a new solution for heating buildings Morteza Khalaji Asadi Zahra Abedi Nima Sharee Open Access Article Abstract Page Full-Text 5 - Study of the orientation of the building and the walls are made of solar water heater performance using software RETSCREEN (case study: Semnan) sajjad zahirnezhad nader rahbar Open Access Article Abstract Page Full-Text 6 - A hierarchical heuristic method to analysis of economics and safety of a pressurized water reactor in a power market Ghafour Ahmad Khanbeigi Naser Mansour sharifloo Gholamreza Jahanfarnia Mohamad Kazem Sheikh-el-Eslami Kaveh Karimi 10.30495/jiei.2023.1970804.1257