Renewable Energy Sources and Their Future in the US

Which renewable energy sources are considered promising for the US energy grid?

• Only wind and solar

• Nuclear and geothermal

• All renewable sources

• Only hydroelectric and wind

What percentage of the US energy production was accounted for by renewables in 2015?

• 20.1%

• 13.44%

• 10.5%

• 15.3%

Which renewable energy source made up the largest portion of the US renewable energy grid in 2015?

• Geothermal energy

• Hydroelectric power

• Solar power

• Wind power

What is a major challenge for solar energy in the US?

• Lack of sunlight

• Geographical constraints

• Limited technological advancement

• High energy cost and low efficiency

What is a potential solution for the widespread use of solar energy in the US?

• Relying solely on solar energy

• Importing solar energy from other countries

• Decentralizing the power grid

• Centralizing solar power plants

What is a significant advantage of solar energy compared to other renewables?

• It can be used anywhere regardless of location

• It is the cheapest energy source

• It is the most efficient energy source

• It requires minimal space for installation

What issue did Hawaii face with the widespread installation of solar panels?

• Lack of sunlight

• High installation costs

• Energy grid not designed for two-way flow

• Insufficient government support

What is the main reason for the high energy costs in Hawaii?

• Dependence on fossil fuels

• Isolation and high solar insulation

• Government regulations

• Lack of renewable resources

What is the expected timeline for renewables to overtake fossil fuels in the US energy grid?

• In the next 10 years

• In the next 20 years

• In the next 30 years

• In the next 50 years

What is the overarching solution proposed for the US energy grid?

• Using only wind and hydroelectric power

• Sectioning off grid areas for specific renewables

• Relying solely on solar energy

• Importing energy from other countries