Efficiency of photovoltaic systems varies depending on the technology and location, but on average ranges between 15% and 20%. Solar energy shows promising future prospects due to ongoing technological advancements and decreasing costs.

High Efficiency: Hydropower plants achieve efficiency factors of 70% to over 90% and have a positive future prospect due to their high conversion efficiency.

Efficient Power Generation: Geothermal power plants, with efficiency factors of around 10% to 20%, effectively convert heat from the Earth's subsurface into electricity, ensuring efficient power generation.

High Efficiency: Modern wind turbines achieve efficiency factors of over 40%, both onshore and offshore, enabling efficient conversion of the kinetic energy in the wind into electricity.

Varied Efficiency: Bioenergy plants exhibit efficiency factors ranging from 20% to 40%, depending on the technology used and the type of biomass employed, allowing for efficient conversion of organic materials into energy.

Developing Efficiency: Ocean energy technologies, including tidal energy, wave energy, and ocean current energy, are still in the development phase, with efficiency factors ranging from a few percent to around 20%, showcasing the ongoing efforts to enhance their efficiency and reliability.