Energy Storage and Renewable Resources

The video discusses the renewable energy revolution, its historical roots, and current state. It highlights the challenges of intermittent energy sources and the need for energy storage solutions like compressed air and pumped hydro. The conclusion emphasizes the necessity of integrating energy storage with renewable energy to meet future energy demands.

What is the primary goal of the renewable energy revolution?

• To increase the use of fossil fuels

• To eliminate all forms of energy consumption

• To focus solely on nuclear energy

• To utilize renewable energy sources for modern life

What is a major challenge faced by renewable energy sources?

• They are only available in certain regions

• They are intermittent and demand is periodic

• They are not environmentally friendly

• They are too expensive to implement

Which of the following is NOT a type of energy storage method mentioned?

• Pumped hydro

• Compressed air

• Geothermal storage

• Advanced batteries

What is a key advantage of compressed air energy storage?

• It requires no natural resources

• It is the most economically feasible

• It can be implemented anywhere

• It does not require any heating

What is a disadvantage of compressed air energy storage?

• It requires a lot of space

• It needs natural gas to heat the air

• It cannot be used with renewable energy

• It is not economically viable

What percentage of energy storage capacity worldwide is accounted for by pumped hydro systems?

• Exactly 50%

• About 75%

• More than 99%

• Less than 50%

What is a significant environmental concern associated with pumped hydro energy storage?

• It depletes water resources

• It can flood valleys and alter ecosystems

• It leads to deforestation

• It causes air pollution

Why is energy storage necessary for renewable energy to become a primary energy source?

• To increase the cost of energy

• To eliminate the use of fossil fuels

• To balance supply and demand

• To reduce the need for technology

What is the main reason the world is not ready to fully utilize renewable energy?

• Lack of interest in renewable energy

• Insufficient energy storage systems

• High cost of renewable energy

• Limited availability of technology

What is the potential benefit of integrating energy storage systems into the electricity grid?

• It will increase fossil fuel consumption

• It will decrease energy efficiency

• It will eliminate the need for renewable energy

• It will make renewable energy a primary source