Availability of Renewable Energy on Earth

TL;DR

Renewable energy sources like solar, wind, and hydro power have the potential to fulfill global energy demand if harnessed and stored efficiently.

Transcript

hello friends in the previous video we have learnt about renewable energy the sources but now let's check on how much the energy is available on earth and what are they and how can we use them practically the energy flux as we see you per square meter on the surface of the earth is 500 watt this is approximately from all the sources of renewable en... Read More

Key Insights

• 🤒 The energy flux per square meter on Earth's surface is approximately 500 watts from renewable energy sources.
• ✊ With suitable methods of power harnessing, just 5% of the local land area can fulfill the total energy demand.
• ✋ Solar energy has the highest potential, with the availability of solar flux per person being 10,000 times higher than the energy requirement.
• 🌍 Hydropower is the world's largest renewable energy source, with significant contributions from China, Brazil, Canada, US, Russia, and India.
• 🌊 Tidal and wave energy projects have the potential to capture the oceans' natural rhythm for power generation.
• 💨 Wind energy capacity has been increasing globally, with many countries already contributing more than 20% of their energy supply.
• 🇮🇸 Norway and Iceland are examples of countries already generating electricity using renewable energy.

Questions & Answers

Q: What is the energy flux per square meter on Earth's surface from renewable energy sources?

The energy flux per square meter is approximately 500 watts from all renewable energy sources combined.

Q: How much land area is required to fulfill the total energy demand using renewable energy?

With suitable power harnessing methods, just 5% of the local land area can fulfill the total energy demand.

Q: Which renewable energy source contributes the most to the global energy demand?

Solar energy is the major contributor, with the availability of solar flux per person being 10,000 times higher than the energy requirement.

Q: Which countries are leading in hydropower production?

China, Brazil, Canada, US, Russia, and India are the leading hydropower producers.

Summary & Key Takeaways

• The energy flux per square meter on Earth's surface is approximately 500 watts from all renewable energy sources.

• With suitable methods of power harnessing, the total energy demand can be fulfilled by using just 5% of the local land area.

• Solar energy is the major contributor to renewable energy, with the availability of solar flux per person being 10,000 times higher than the energy requirement.