Efficient things
Efficient things
Recently, I wrote about the low-profile Aerotecture wind turbines, which are designed to be installed on the rooftops of city buildings. Now I’ve heard of another rooftop wind turbine under development. It’s called the Helyx Wind Generator, and it’s composed of two twisted wings of fiberglass that rotate around a vertical axis. The turbine is […]
New Rooftop Wind Turbine Tested: The Helyx Read More »
There’s a small town in Germany called Dardesheim, that relies almost entirely on renewable sources for its energy needs. The town’s goal is to use 100% renewable power, and become known as German’s “Town of Renewable Energies”. Dardesheim already has some huge wind turbines in place, and many solar roofs installed. Last year they installed
German Town Will Soon Use 100% Renewable Power Read More »
In Gifu Prefecture, Japan, there is an unusual solar building called the Solar Ark, built by Sanyo. It’s one of the most impressive solar buildings in the world. Passengers on high-speed bullet trains can’t help but notice the edifice as they ride past on a nearby railway line. The building was built to symbolize the
The Solar Ark: A Unique Solar Building In Japan Read More »
The solar roof at the Floriade Exhibition Hall in the Netherlands still holds the record as the largest of its kind in the world. The roof is comprised of 20,000 semi-transparent solar modules, and it has a surface area of 28,000 square meters (almost 7 acres). It acts as one gigantic solar panel, and generating
The Largest Solar Roof In The World: Floriade Hall Read More »
What is the largest wind farm in the world? Well, right now it’s the Horse Hollow Wind Energy Center in Texas. This wind farm has 421 wind turbines that generate a total capacity of 735 megawatts. The wind turbines are spread across 47,000 acres of land in Taylor and Nolan County, Texas.
The Largest Wind Farm In The World: Horse Hollow Read More »
Brunton makes a range of flexible solar cells they call SolarRolls. These weather-proof solar cells can be rolled up quite tightly, and attached to a backpack. Seen here is a 14W model — it produces DC power even during low light conditions. SolarRolls come with a range of plugs, including a standard car lighter socket.
Flexible Solar Cells: SolarRolls by Bruton Read More »
In Fukuoka City in Japan, they have an amazing building called “ACROS Fukuoka” with two very distinct sides: one side looks like a conventional office building with glass walls, but on the other side there is a huge terraced roof that merges with a park. The garden terraces, which reach up to about 60 meters
Amazing Green Building: The ACROS Fukuoka Read More »
The city of Durango will soon be powered by 100% renewable energy (we believe that wind power will be used). Green power currently constitutes about 10% of city power purchases. The extra the city pays for green energy will add about $120,000 a year to its electrical bill officials said. But the extra cost will
100% Renewable Power For Durango City, Colorado Read More »