According to Sustainable Development Goal 7 (SDG 7), shifting toward cleaner energy carriers is crucial. Hydrogen is one of the most viable and credible alternatives to the conventional fossil fuels owing to its environmental benefits and versatility. However, the increase in use of hydrogen necessitates advancements in hydrogen production and storage technologies. Electrolyzers are among the most commonly used technologies applicable for production of hydrogen. These systems need electricity, which can be supplied from various sources. Employment of clean energy technologies to power the electrolyzer would be beneficial in terms of environmental impact and fossil fuel consumption. Solar photovoltaic (PV) cells are applicable systems to provide required electricity of the electorlyzers in clean manner. This paper reviews researches on the development of solar PV systems for power supply of electrolyzers. Results from the reviewed studies revealed that making use of PV cells offers advantages, including reduced greenhouse gas emissions and the ability to operate as stand-alone systems in remote areas. Furthermore, hybrid energy systems composed of PV cells and other technologies, such as diesel generator and/or wind turbines, can enhance reliability and economic feasibility.