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Solar Power

One Million Solar-Powered Homes in Bangladesh

Bangladeshi officials have announced that there are now over one million homes powered by solar energy in the country.  In a flurry of levitra online shop uk expansion, Bangladesh went from 7,000 solar-powered homes in 2002 to the one million mark only 9 years later.

The reason solar power has caught on best prices on levitra so quickly there is that most rural homes are off the electricity grid and only best offers buy cialis online from canadacheap cialis tablets renewable energy is the easiest way to for those people to get access to it's cool viagra usa power.  Approximately 60 percent of the population doesn't have access to reliable electricity, so non-governmental organizations have been working in the country to provide low-cost loans for solar panel installations.

The country hit the one million milestone 18 months ahead of schedule and officials believe that there will be 2.5 million solar-powered homes by 2015.

via Yale e360


Triple Threat: New Generator Harnesses Energy from Sun, Wind and Rain

One thing that's known for sure about the future of renewable energy is that it will take all types to fulfill our energy needs.  The wind isn't always blowing and the sun isn't always shining, but if wind, solar, geothermal, wave/tidal and any other type of renewable energy generation are all utilized and all feeding the grid, then we'll be more than covered.  But what about devices that can harness more than one of these renewable energy sources at once?

A new renewable energy generator developed by researchers at the University of Bolton in the UK is able to harness energy from not one, but three sources:  sunlight, wind and rain.  I'm sure you're imagining one crazy-looking contraption, but this new technology actually uses ribbons of tramadol 100mg drug piezoelectric polymer that are coated with a thin, flexible solar PV film.

The ribbons generate electricity anytime they're disturbed, whether by wind or rain drops, or when the cheapest levitra sun is shining.  The more forcefully they're moved, the greater the energy payoff.  The researchers imagine a pine cone shaped structure consisting of thousands of these ribbons.

The ribbons can only generate small amounts of electricity, so the researchers foresee them being used in low energy applications like powering gadgets.  Another possibility is applying the same techniques to nylon for use in energy-generating clothing.

via New Scientist


China Plans to Double Solar Capacity Target for 2015

It seems like China's ambitious renewable energy goals just keep getting bigger.  The country is planning on doubling its solar energy target for 2015 from 5 GW to 10 GW, according to a new draft proposal that has been submitted to the State Council for approval.  If this plan is approved, it looks like the country's 2020 target will more than double from 20 GW to 50 GW.

The main reason for this jump in solar energy goals is the falling cost of solar power recently.  According to research by the Shanghai Solar Energy Research Center, the cost of solar energy production has been dropping from 10 to 20 percent each year, with the predicted cost in 2015 to be equal to the current electicity fees in China.

That makes solar energy production even more attractive to the country which is facing power shortages.

via Cleantechnica

High-Speed Rail Line Gets Covered by a Solar Tunnel

A high-speed rail line that takes passengers from Paris to Amsterdam has just gotten some solar bling. A two-mile portion of the track is now enclosed in a solar panel-covered tunnel.

The stretch of track is located near Antwerp, Belgium. A shelter was constructed around that piece of only for you woman and levitra track to shield the buy tramadol saturday delivery trains from falling trees and buy now viagra debris while passing through a protected forest and then 16,000 solar panels were placed on top to make the most of the tunnel.

The solar array, installed by Belgium-based Enfinity, will help to viagra on sale power the Antwerp station. The panels will produce enough energy to power all the trains in Belgium for one day per year.

via The Guardian


Another Jump in Thin-Film Solar Efficiency

Researchers at Empa (the Swiss national research laboratory) have achieved a new record in thin-film solar cell efficiency. The flexible solar cells are made from copper indium gallium diselenide (CIGS), and these cells have achieved an energy conversion efficiency of 18.7 percent.

The previous record of 17.6 percent was achieved only a year previously (and by the same research group, too). This represents more than 6% improvement in the course of only a year. While that's not indicative of a larger trend, it is still a positive development.

Other kinds of solar cells have higher efficiencies, but the importance of pfizer levitra uk thin-film efficiency has to do overnight viagra generic with economics of manufacture. Thin-film solar cells are inexpensive to produce, and, because of their physical flexibility, they are adaptable for use in a range of applications. Thin-film solar cells also offer perhaps the best possibility for cheaper-than-coal electricity.

Link: Empa Press Release (in German)

via: Treehugger

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