TED-Ed: Are solar panels worth it? | Shannon Odell

The video explores the evolution of solar energy from its expensive beginnings in 1954 to its current status as a cost-effective energy source. It highlights Germany's Renewable Energy Sources Act as a pivotal moment in making solar affordable. The video discusses the economic benefits of solar energy, challenges in adoption, and community-based solutions. It emphasizes solar's role in energy independence and environmental sustainability.

What was the initial cost of the first commercially sold solar cell per watt?

• $100 per watt

• $300 per watt

• $1000 per watt

• $500 per watt

Which country's legislation in 2000 significantly boosted global solar panel demand?

• United States

• China

• Germany

• Japan

By what percentage did the cost of rooftop solar units drop between 2010 and 2020?

• 40%

• 30%

• 50%

• 60%

What is a common financial benefit for US homeowners who switch to solar energy?

• Increased property taxes

• Higher electricity bills

• Decreased home value

• Annual savings on energy bills

What is a major barrier for renters in adopting solar energy?

• Government restrictions

• Lack of roof ownership

• High maintenance costs

• Excessive sunlight

What is a key feature of community energy associations in Europe?

• Individual ownership of solar panels

• Exclusive use of fossil fuels

• Government-funded solar panels

• Collective investment in renewable energy

How do homes with solar panels contribute to climate resilience?

• By increasing carbon emissions

• By being vulnerable to grid outages

• By increasing reliance on fossil fuels

• By reducing dependence on the utility grid