Sholeh Hajeb. - Department of Marine Engineering, Amir Kabir University of Technology, Tehran, Iran,
Mohammad Hossein Alizadeh Roknabadi - Department of Aerospace Engineering, Amir Kabir University of Technology, Tehran, Iran,
Shabnam Hajeb. - Department of Aerospace Engineering, K. N. Toosi University of Technology, Tehran, Iran,
Aidasadat Mousavi Molaei. - Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran,
Mahmoud Mollayousefi Zadeh - Department of Electrical Engineering, K. N. Toosi University of Technology, Tehran, Iran

Nowadays, the production of clean electricity is one of the needs of human societies. Marine renewable energies have the potential to help us transition to a cleaner energy future. Some technologies, such as wind, are mature and have previously proven to be commercially viable. Due to the limited fossil fuels and the growing electricity needs, the use of energy produced from the ocean is very important. To meet the flexibility of ۲۱st-century grid demand, maritime, renewable energy systems require energy storage capabilities like their terrestrial counterparts. The specific challenges provided by a harsh marine environment pose a significant barrier to the unhindered growth of marine renewable energy generation. This article deals with the types of energy that can be extracted from the sea, then, the advantages and disadvantages of offshore energy production methods are fully explored. After that, the interaction between the ecological advantages and disadvantages of these methods has been investigated. One of the important disadvantages of using these methods of energy production is the destruction of seashores and marine ecosystems near the shores. In this article, solutions to this problem are presented.

Marine, Renewable Energy, Generation, Offshore, Wind, Solar, Tidal, Wave energy.