Tesla and SolarCity power an entire island with nearly 100% solar
Fast on the heels of the completion of Tesla’s $2.6 billion merger with SolarCity comes the news that the companies are powering an entire island with nearly 100 percent solar energy, thanks to a renewable energy microgrid. The remote island of Ta’u in American Samoa is over 4,000 miles from the West Coast,
moqui marbles, utah Iron oxide concretions (Moqui marbles) Moqui Marbles, hematite concretions, from the Navajo Sandstone of southeast Utah. Scale cube, with "W", is one centimeter square. The Navajo Sandstone is also well known among rockhounds for its hundreds of thousands of iron oxide concretions
The US currently relies heavily on coal, oil, and natural gas for its energy. Fossil fuels are nonrenewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve... Learn more about renewable energies like wind, solar, and more
The solar energy designers at Rawlemon have created a spherical, sun-tracking glass globe that is able to concentrate sunlight (and moonlight) up to 10,000 times. The company claims that its ß.torics system is 35% more efficient than traditional dual-axis photovoltaic designs, and the fully rotational, weatherproof sphere is even capable of harvesting electricity from moonlight
World's Cheapest Offshore Wind Farm to Power 600,000 Homes. Sweden's Vattenfall set a world record for the lowest price ever paid for offshore wind power. The state-owned energy company bid EUR 49.9 (or $54) per megawatt-hour to develop the Danish Kriegers Flak, a 600-megawatt offshore wind farm in the Baltic Sea, about 15 kilometers off the Danish island Møn. Kriegers Flak. For comparison, the average cost of offshore wind is around $126 per megawatt-hour.