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Solar Power

Solar Plant in Spain Generates Electricity for 24 Straight Hours

Here's some really exciting renewable energy news.  Spain's Gemasolar concentrating solar power plant just became the first solar power plant to generate power for 24 continuous hours.

The plant uses a Power Tower design where a field of mirrors concentrate the sun's heat onto a boiler in the central tower.  That boiler creates steam which turns a turbine.  None of generic overnight viagra that is out of the ordinary when it comes to concentrated solar power, but the it's great! buy generic levitra from india Gemasolar plant is the only one in the world to use molten salt as a heat transfer fluid, which allows for the storage and viagra super active australia generation of electricity even once the sun goes down.

The 19.9 MW capacity plant on cialis cheap average is able to generic viagra cost generate power for 20 hours a day and during the summer, many days will see 24 full hours of energy generation.  The molten salt storage really makes a big difference here.  Compared to the larger 21.2 MW Solarpark Calaveron plant that generates about 40 GWh per year, the Gemasolar plant generates almost triple that with 110 GWh per year.

Power storage is one of the major issues facing the growth of renewable energy generation.  The wind isn't always blowing and the usefull link cialis samples in canada sun isn't always shining, but innovative storage solutions like the one at Gemasolar will be what turns renewable energy into not just a clean source of electricity but also a reliable one.

via Grist


California's Butte College Going Grid Positive with Solar Power

Butte College, which lies about 75 miles outside Sacramento, will be the first college in the nation to go grid positive -- that is, generate more electricity than it uses.

The college is cialis order achieving this amazing feat by operating 25,000 solar panels on its property that will generate 6.5 million kWh per year, enough to power 941 homes.  The reduction in emissions from using renewable energy will be equal to taking 615 cars off the road.

The college will also benefit financially from the solar arrays, saving $50 million - $75 million in the first 15 years by getting rid of an electricity bill, getting paid for excess electricity and avoiding future electricity rate hikes.  That number also accounts for project costs.

Butte has also put a lot of it's great! buy levitra online uk emphasis on efficiency and sustainability measures with several LEED certified buildings, a 75 percent recycling rate of waste materials and a large student transportation system.

via Butte College



400 MW Solar Farm Coming to Southeast

As sunny as the southeastern U.S. is, solar power development hasn't taken off as quickly as you'd think.  That will change dramatically when a new 400 MW solar farm is built in one of three states:  Florida, Georgia or North Carolina.  The huge project could potentially be the world's largest when it's completed.  The current largest is an 80 MW solar plant in Ontario, Canada, but many large projects are in the planning or construction stages.

The project, being developed by National Solar Power, will consist of 20, 200-acre solar farms each with a capacity of 20 MW.  The panels will be seven feet tall or less and surrounded by vegetation to help them blend into the landscape.  The project will be able to power about 32,000 homes.

The areas that are being considered for the huge solar project are Gadsden, Hardee, Osceola and real viagra online without prescription Suwannee counties in Florida, Sumter and Tatnall counties in Georgia, and Guilford County in North Carolina.  National Solar Power is weighing factors like amount of undeveloped land, economic development and tax incentives, community support and access to a qualified workforce.

The project will create 400 jobs during its five-year construction and about 120 permanent jobs.  The decision of where it will be built should be made by the 50mg cialis retail price end of the month.

via Sustainable Business

Image via National Solar


DOE Backs Installation of 733 MW of Solar Panels on Industrial Rooftops

The Department of Energy is providing backing for a $1.4 billion loan for Project Amp, a plan to install 733 megawatts of photovoltaic (PV) solar panels on industrial buildings in 28 states and the District of Columbia. This is nearly equal to the entire amount of PV installed in the US in 2010. The project is expected to lead to the creation of one thousand new jobs and is expected to last for four years.

When complete, Project Amp is expected to produce up to one million megawatt hours annually. The power that is produced is not going to be used on site necessarily, but will instead be fed to the grid to cialis add more solar power to the available production.

image: US Navy Photo


New Map Shows NYC Could Double Nation's Solar Capacity with Rooftop Arrays

A new map created by the City University of New York and the Department of Energy shows that two-thirds of the New York City's rooftops are suitable for solar power installations and if all of discount viagra india those roofs were outfitted with solar panels, the city could double the nation's current solar power capacity.

The NYC Solar Map was made by surveying every -- yes every -- rooftop in the city to see which were most primed for capturing solar power.  A team of researchers made a series of flights over the city using a Lidar laser system to collect date on size, shape, angle and sun exposure vs. shade cover of each building.  The rooftops that were deemed suitable could generate 5,847 MW, which is more than twice the nation's capacity of 2,300 MW, and enough to power half the city on solar power alone.

The map is interactive and allows users to type in addresses and get information on any building's solar potential.  Building owners can even draw a mock system on their roof and see how much energy it would generate and how much money it would save.  The map also has full details on all existing rooftop installations.

via NY Times

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