Renewable energy is considered one of the most vital global solutions for addressing the environmental and economic challenges posed by the increasing dependence on fossil fuels. With the growing concerns over global warming and rising carbon emissions, the need has become more urgent to develop clean energy sources capable of meeting the rising global demand without negatively impacting the environment or depleting natural resources. Renewable energy sources include solar energy, wind power, hydropower, biomass energy, and geothermal energy. These resources are naturally replenishable, cost-effective in the long term, and environmentally safe. Despite the significant progress made in clean energy generation technologies, one of the most persistent challenges remains energy storage, which is essential to ensure the availability of power when needed. Energy storage technologies serve as the cornerstone of the renewable energy future, helping to overcome fluctuations caused by variable energy sources such as solar and wind power, which depend on weather conditions. Recent years have witnessed substantial advancements in storage systems, including lithium-ion batteries, thermal energy storage, and hydrogen-based storage solutions—particularly green hydrogen. These technologies are capable of storing energy for extended periods and converting it into usable electrical or thermal energy when required. Green hydrogen stands out as one of the most promising innovations in energy storage. It is produced using renewable energy via the electrolysis of water, generating a clean fuel that can be used in transportation, industry, and electricity generation. This advancement has significantly contributed to global efforts aimed at transitioning toward a low-carbon economy and strengthening energy security. Furthermore, the development of smart infrastructure—such as smart grids and advanced metering systems—plays a crucial role in integrating renewable energy with modern storage technologies. These systems enhance energy flow management, improve distribution efficiency, and reduce waste. The future of renewable energy and storage technologies appears highly promising, especially with increasing governmental support and global investments in this field. As technological advancements continue, reliance on clean energy is expected to become more efficient and sustainable, paving the way for a healthier environment and a more stable economy. Amid these developments, it is clear that the transition toward a clean and sustainable future is not merely an option but an urgent necessity. It requires the collective efforts of scientific and technological communities to foster innovation and develop solutions capable of addressing future challenges and achieving global energy security. "AL_mustaqbal University is the first university in Iraq"