Photovoltaics and the Latest Advancements
Photovoltaics has been growing by leaps and bounds over the last decade.
Major breakthroughs in solar power alternative energy technologies like thin film solar cells that use nano particles are paving the way for many new applications.
Many of these advances are coming out of the U.S. Army Soldier Systems Center in Natick, Mass, where they are developing prototypes of battery chargers and shelters that would harness solar energy through nano composite thin-film photovoltaics.
According to Lynne Samuelson, a research chemist at Natick:
"It's really an exciting time right now, because there are a number of new photovoltaic technologies out there trying to drive down costs, allowing you to use them in ways that couldn't be used before."
Conventional Solar Power Alternative Energy Technology
Photovoltaics (PV) is
the process of creating electricity out of the sun’s rays.
Photovoltaic energy is an alternative energy that is achieved
by using solar panels comprised of solar cells .
The solar panels absorb the sun’s
radiation, and convert it to usable electricity for your home.
The solar energy panels are comprised of one of
these 5 photovoltaic materials:
copper indium gallium selenide/sulfide
Using PV panels to power your home can easily cut your utility bill down 50-80 percent.
Why Photovoltaics is a Good Solar Power Alternative Energy
Its free power from the sun
- Pays for itself in a matter of years
Due to increased demand for solar power alternative energy sources, the manufacturing of solar cells and photovoltaic arrays has advanced
considerably in recent years
The third most important alternative energy
based on global usage (Hydro and Wind are the first two)
More than 100 countries us PV systems as an
alternative energy solution
Thanks to advances in technology and innovation,
the price of solar power systems has dropped considerably
PV is competitive with conventional electricity
Many countries offer financial incentives such
as the Feed-in tariff, offering you cheap or free solar panels
to Use Photovoltaics
To understand the environmental impact PV systems can have for
the environment, you first need to know about the enemy of eco friendly life:
Nearly half of the electricity produced
in the United States is produced by coal.
With that said, consider these nasty facts about coal:
Coal-fired power plants shorten nearly 24,000
lives a year in the United States, including 2,800 from lung cancer
- Annual health costs in Europe from use of coal
to generate electricity are €42.8 billion, or $55 billion
Coal generates tons of waste products, including
fly ash, bottom ash, and flue-gas desulfurization sludge, that contains
mercury, uranium, thorium, arsenic, and other heavy metals. And this has been going on for decades, so
what you end up with is a generation of pollution waste
Acid rain from high sulfur coal
Interference with groundwater and water table
levels due to mining
Contamination of land and waterways and
destruction of homes from fly ash spills. Such as the Kingston Fossil Plant
coal fly ash slurry spill
Coal Pollutes rivers and streams.
Subsidence above tunnels, sometimes damaging
Uncontrollable coal seam fire which may burn for
decades or centuries
Coal-fired power plants without effective fly
ash capture systems are one of the largest sources of human-caused background
Coal-fired power plants emit mercury, selenium,
and arsenic, which are harmful to human health and the environment
Releases carbon dioxide causing climate change
and global warming
Largest contributor of CO2 emissions in the
Entire mountain tops are destroyed just to mine
Fortunately, there is still time to turn the tide against
Here are some eco friendly facts
about photovoltaic power:
Takes stress off the electrical grid
Lowers the need for other forms of dangerous
energies such as nuclear
Allows you to live an independent, sustainable
With a complete PV system, you could say good
bye to utility bills
Solar hot water heating flushes the water bill
down the toilet and cuts back on our dependence on coal and other environmentally
harmful energy materials
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