Printed Solar Panels


From Technology Review  we hear that the company NanoSolar  is implementing  technology  "that will eventually make solar power cost-competitive with electricity on the power grid".   More on NanoSolar in Business Week here.


Tags

  1. proposition node
  2. alternative energy
  3. solar power
  4. global warming
  5. globalwarming
  6. nanosolar

Comments


Mark de LA says
At one time it was reported that there was not enough sun to produce enough electricity to power everything that needs it. This notion was supported because solar cells are not that efficient. It takes a lot of land to produce sufficient amounts of electricity to make up for what a dam or a nuclear power plant can produce. On the other hand, the Wikipedia article here seems to dispute that notion.
source: ...

Solar photovoltaic panels contain arrays of solar cells that convert light into electricity. Solar cells, or PV cells, rely on the photovoltaic effect, which describes how certain materials can convert sunlight into electricity to absorb the energy of the sun and cause current to flow between two oppositely charged layers. Individual solar cells provide a relatively small amount of power, but electrical output is significant when connected together as an array making up a panel.

On a bright day, the sun delivers about 1 kW/m


Seth says
source: Portugal Opens 11-MW Solar Power Plant
The solar plant was built by Catavento, a Portuguese renewable energy company and California based PowerLight Corporation, a GE Energy Financial Services subsidiary. It occupies roughly 150 acres in Portugal's Alentejo region and contains over 52,000 photovoltaic modules manufactured by Sanyo, Sharp, SunPower and Suntech. The solar plant is also said to reduce CO2 emissions by 13,000 tons per year.
Way to go Portugal

Mark de LA says
It would be nice to get the numbers straight as to how many killowats of electricity = how many acres to offset like say Seattle's electrical carbon footprint. Then, figure out where in Seattle to put it.


Seth says
Seems to me that just given the stats in the article you get .07 kw/ acre with the Portugal technology.  There is an interesting discussion in the comments of the article, perhaps you can get what you might be looking for there.  Since property is so expensive in Western Washington, i wouldn't look to put a plant anywhere near Seattle, but maybe installing solar panels in the roofs might help ... why loose all that efficiency in transmission?

Seth says
Innovative Solar Dyes: Inexpensive Liquid Solar Power.

Seth says
source: OSLO, April 29 (Reuters)
Indian project shows solar power affordable-U.N.

A solar power project in India supplying electricity to 100,000 people will be widened to other developing nations after showing that clean energy can be cheaper than fossil fuels, a U.N. report said on Sunday.

The $1.5 million U.N.-backed project would be extended to China, Indonesia, Mexico and Algeria and several other nations to help people in rural areas break dependence on kerosene lamps or unreliable grid-supplied electricity.

Seth says
source: Troubles at Nanosolar?
Strange, Nanosolar seems not to respond to inquiry from interested companies. Is something very wrong?
maybe i shouldnt hold up any project i might have waiting for this innovation?

Seth says
Some hint of bureaucratic bottlenecks to retooling surfacing here ...
source: Interview with nanosolar CEO
For the United States to also become a truly scalable market, some ingrained bureaucracy stands in the way for that still

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