On Monday a ribbon cutting ceremony was held for the solar project which will be built on it’s route 1 campus. 13,000 solar panels will be installed on parking areas throughout the 2,000 acre campus. Depending on how much sunlight their is the solar system will account for between 15% to 50% of energy consumption of the campus.

Used with creative commons permission from Brighton Earthship

During the ribbon cutting ceremony U.S. Senators Frank Lautenberg and Robert Menendez, made mention of the BP oil spill fiasco, and encouraged a need to move away from traditional dirty forms of generating power, such as oil, and coal, and move towards clean renewable sources of energy. The Senators heavily praised Dow Jones for it’s efforts to go solar, and encouraged other large corporate entities to follow in their foot steps.

The solar system will deliver 3.6 megawatts from the solar panels installed on the parking areas. Another 522 kilowatts will be generated from solar installations attached to roofs.

The generated power will be used to offset the campus’s needs from electric company PSE&G during times of sunlight. When their are times of less energy consumption the generated power will be fed into the grid.

The massive solar power system is expected to be completed in 2011, and will be constructed by SunPower Corp.

For more information about how you can help with spreading the solar love check out Solar Power Cost.

Solar Power Cost News : Corporate Entities and Solar Hippy Energy is a post from: Solar Power Cost

The solar revolution has been happening for the last 20 years and is now firing into high gear. It has taken a long time for the technology to become feasible enough for everyday people to utilize. The best part is the technology is increasing at an ever increasing speed. Solar panels or photovoltaic cells as they are sometimes called (photo = light, voltaic = electricity) are needed to generate solar power from the sun. But how exactly does it do this? Well, we need to think of solar power as a source of electricity and that the process of generating it works on the same principles of other forms of electricity. The flow of energy, after generated is run through electrical wiring to appliance’s in your house just like energy from coal or nuclear. But how is the energy made initially from the sun you ask?

I am sure you have heard of the element silicon, it is the stuff responsible for the computer renaissance. Well silicon is also important in the cultivation of solar energy. You see when silicon is stripped of it’s impurities it will be able to transmit electrons and is the main ingredient in making solar panels because it acts as a semiconductor. But you can’t stop there because silicon by itself will not generate electricity because it has neither a positive or negative charge. The pure silicon needs to be combined with other elements that do have positive and negative charges, the process of adding impurities on purpose is called doping. Boron is a element that when introduced to silicon will create a positive charge, but to generate electricity we also need an element to create a negative charge, like phosphorus. Once the elements have been introduced they are put on the panel with conductive wires between them creating an electric field. So where does the sun come in?

There are many types of particles sent out by the sun. The particle that is involved with solar energy is the photon. When the panel receives sunlight the photons effectively ram into the the negative and positive charged atoms of the elements used in the panel. What happens next is that the photons will knock atoms off of the outer ring of atoms, these atoms are are called free carriers and carry electricity along with them. Which will be drawn in to the positively charged element’s outer ring through the electrical field which acts as a diode either drawing in or pushing the electrons to flow to the positive or negative side. The free carriers will then fill up the holes that the photons originally made by knocking the atoms off there ring. The more atoms or free carriers that are broken off and find a hole to fill the more energy is created, which has the effect of creating a flow of electrons we call a current. So now we have current, and the cells electrical field creates voltage. Combined current and voltage equals power. By placing metal contacts on the top and bottom of the photovoltaic cell, we can draw the current off to use for what we require it for, like a refrigerator.

Now if silicon is shiny then why are panels black? Well because silicon is shiny it will reflect a lot of the suns photons which will in effect lower our ability to cultivate power. To combat this we add a layer of anti-reflective coating, which will limit the reflection loss of photons to less then 5%! We will then cover the panel with a glass cover plate and a sturdy frame to minimize the effects of nature.

Unfortunately not much energy is created by one solar cell, which means that lots of them are needed, drastically raising solar power cost. At least till new technology is developed, for instance paint that will conduct solar power, which would be really hot (no pun intended, alright maybe). The problem is that the solar power cost is somewhat extravagant at the moment to buy systems and have them installed.

Luckily there are extremely easy ways to lower Solar Power Cost, and also have some fun by making solar panels yourself. Doing it this way can drastically lower the amount of money you’ll spend on your initial investment. I highly recommend trying it out, just be careful when purchasing a kit, they are not all created equal. If you would like more information please visit Solar Power Cost to check out a kit I have personally hand picked and know works great.

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