Renewable energy is a key for sustainable development all over the world and renewables used in many areas including water heating. For water heating, among many options, electrical and solar energy can be used to assist heat pumps. This study explores usage of photovoltaic and thermal...

Hydroelectric plants play an important role in electricity production in Turkey as well as all over the world. However, the increase in the irregularity of flow regimes and the decrease in water ranges of the rivers due to global warming in recent years have revealed that supporter systems are...