They have a 50,000+ hours lifetime, which compares to about 15,000 hours for compact fluorescent (CFLs) and 2,500 hours for incandescent bulbs. The bigger OPAL is listed at $55.12 and the TOPAZ is $41.13. They come with a 3 year warranty, not something you’ll find on any fluorescent!
In the eyes of Swedish architect and urban strategist Mans Tham, the stretch of I-10 known as the Santa Monica Freeway is an achievement to be celebrated, revered and covered in so many solar panels that it looks like a massive snake.
The Desertec Foundation, a Jordanian and German company are they have a radically ambitious project to harness solar energy in the world’s most barren, sun-drenched expanse, the Sahara Desert. Desertec claims that if only 0.3 percent of the expanse of the Sahara was covered with solar panels, it would power the entire European continent.
China has just published an astoundingly ambitious and exciting renewable energy plan for the next ten years, to get a total of 500 Gigawatts of renewable energy on the grid by 2020.