Hydropower harnesses the energy of flowing water to generate electricity.

Solar energy does not produce greenhouse gases, making it a cleaner alternative to fossil fuels.

Photovoltaic cells, also known as solar panels, use semiconductors to generate electricity from sunlight.

Geothermal energy involves extracting heat from the Earth's crust to generate electricity.

Wind turbines convert the kinetic energy of the wind into electrical energy.

Storing excess energy generated from renewable sources during periods of high production is a key challenge.

Biomass energy involves the combustion or conversion of organic materials, such as wood or agricultural waste, to generate electricity or heat.

Ocean Thermal Energy Conversion (OTEC) utilizes the temperature difference between the ocean's surface and deep waters to generate electricity.

Tidal power harnesses the energy of the tides to generate electricity.

Renewable energy sources do not produce harmful emissions, contributing to cleaner air and reduced environmental pollution.

Wave power harnesses the energy of ocean waves to generate electricity.

Nuclear power involves the fission or fusion of atomic nuclei to generate heat, which is then used to produce electricity.

Biofuel energy involves the production of fuels, such as ethanol or biodiesel, from plant-based materials.

The intermittent nature of renewable energy sources, such as solar and wind, poses challenges in ensuring a reliable and consistent power supply.