Solar radiation forecasting is an important component in many areas related to either the production or exploitation of renewable energies. This field has attracted the attention of many Algerian researchers due to its important solar potential  specially in the southern desert areas. In a comprehensive review of the works in this domain, we propose a comprehensive review of the different models and studies for predicting solar radiation in Algeria. Various techniques have been proposed including artificial stochastic models and intelligence.

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Great increasing interest in both commercial community and research on the production of hydrogen in the energy sector as an energy carrier. In addition, protecting our earth from global warming and the depletion of crude oils and gasses are the main objectives for our energy strategies worldwide. The Westinghouse Corporation proposed a new method known as the Hybrid Sulphur (HyS) cycle, which forms part of the so-called thermo-chemical cycles. Two sub-reactions in this system are used to complete the functionality of this process: thermochemical and electrochemical reactions. In the second sub-reaction, several parameters can affect the electrochemical reaction and electrolysis efficiency such as: cell temperature, membrane thickness and catalyst loading … etc. This study will focus on the influence solar irradiation and ambient temperature on hydrogen production in three cities in the north of Algeria. According to the study, it was found that the power consumption to produce a flow 8 Nm 3 /h is 31 kWh for Algiers and 32 kWh for Constantine and Oran.

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