Saturday, October 23

Tag: Solar Energy

Solar panels are a pain to recycle. These companies are trying to fix that.
Science

Solar panels are a pain to recycle. These companies are trying to fix that.

Expanding solar-power production is key to reducing emissions worldwide. Globally, solar panels produced 720 terawatt-hours of energy in 2019, accounting for around 3% of the world’s electricity generation. And it took about 46 million metric tons of solar panels to do it. About 8 million metric tons of decommissioned solar panels could accumulate globally by 2030. By 2050, that number could reach 80 million. Recycling these panels could provide a new source for materials that would otherwise need to be mined (potentially under unsafe or exploitative working conditions), making solar a more sustainable piece of the clean-energy puzzle. What’s in a solar panel? Solar panels are laid out like a sandwich with cells in the center. About 90% of commercial solar panels use silicon as the ...
Can the most exciting new solar material live up to its hype?
Science

Can the most exciting new solar material live up to its hype?

While perovskites have the potential to reach high efficiencies (the world record for a perovskite-only cell is just over 25%), most of the best-performing perovskite cells today are tiny—less than an inch wide.  Scaling up makes it more difficult to reach the potential efficiency limits. Right now, Saule’s panels, which are a meter wide, reach around 10% efficiency. This is dwarfed by commercial silicon panels of similar sizes, which typically hit around 20% efficiency.  Olga Malinkiewicz, Saule’s founder and chief technology officer, says the company’s goal was to get a perovskite-only solar cell out the door, and the lower efficiencies won’t matter if the technology is cheap enough. Saule is trying to go where silicon solar panels won’t: to roofs that can’t handle the weight of h...
The Green Energy Sector Is Booming. Here’s How You Can Use Its Growth to Boost Your Bottom Line.
Business

The Green Energy Sector Is Booming. Here’s How You Can Use Its Growth to Boost Your Bottom Line.

Electric power is one of the largest and most crucial industries, and the disruption currently taking place in the industry via green energy is a great opportunity for businesses to make a profit while helping the environment. Grow Your Business, Not Your Inbox Stay informed and join our daily newsletter now! June 1, 2021 4 min read Opinions expressed by Entrepreneur contributors are their own. According to the International Energy Agency’s Renewables 2020 report, renewable power capacity worldwide is expected to rise to 200 Gigawatts in 2021, which is a new record. Solar, along with hydropower and wind, is contributing to most ...