Photovoltaic Energy
What is Photovoltaic Energy? The word "photovoltaic" is a marriage of two words - "photo", meaning light, and "voltaic", meaning electricity. So photovoltaic technology, the scientific term used to describe solar energy, involves ... with a completely blue sky. Solar PV is quite different from a solar thermal system, where the sun's rays [more...]
Date: 2009-04-07 01:59:21
Blog posts
(401) |
Videos
(204)
Concentrator Photovoltaics
Antonio L. Luque , Viacheslav M. Andreev, “Concentrator Photovoltaics” Springer | 2007 | ISBN: 3540687963 | 345 pages | PDF | 9,5 MB Photovoltaic solar-energy conversion is one of the most promising technologies ... electricity. In fact, photovoltaic conversion of concentrated sunlight insures an efficient and cost [more...]
Date: 2009-03-11 20:18:29
BioSolar’s BioBacksheet Gets Global Audience at International Green Energy EXPO Korea 2009
Company’s BioBacksheet™ Replaces Petroleum with Renewable Materials to Create More Cost-Effective and Earth-Friendly Solar Panel BackingMonday April ... s BioBacksheet™ protective covering for photovoltaic solar cells replaces expensive and potentially ... watt of photovoltaic solar power.“We have successfully demonstrated that functional photovoltaic [more...]
Date: 2009-04-06 10:05:03
Single Photovoltaic Cell Charger
NTT Energy and Environment Systems Laboratories aim to go green by working on a circuit module which is able to charge a lead storage battery with but a solitary photovoltaic cell. This circuit module consists of a boost circuit with a DC-DC ... circuit can increase the typical voltage of a single photovoltaic cell, about 0.5V, up to 15V. The MPPT [more...]
Date: 2009-02-26 01:22:47
Thin Rollable Photovoltaics Developed
Thin Rollable Photovoltaics Developed Imagine installing photovoltaics almost as easily as carpet ... multiple possible designs for solar panels incorporating the microcells, including dense arrays flexible ... up spaces on the fronts of buildings as opportunities for solar energy," Rogers said in a telephone [more...]
Date: 2008-10-06 06:56:17
The world’s largest photovoltaic power station [PICS]
In Amareleja , a Portuguese parish of the municipality of Moura, ... by concrete foundations. These structures support arrays of solar photovoltaic modules, which ... of some trees and typical houses of Alentejo region. More... The new solar photovoltaic power [more...]
Date: 2008-09-01 18:16:00
Ferrari Goes Green, Installs new Photovoltaic System at Maranello
.fullpost{display:inline;}There are a myriad of ways for companies to go green these days ... and installed a new photovoltaic system on the rooftop of its Engine Mechanical Machining facility ... there in the past six months alone.TECHNICAL SPECIFICATIONS OF THE PHOTOVOLTAIC SYSTEM • Installed [more...]
Date: 2009-01-21 16:02:00
it just keeps geting better.....a new energy breakthrough...sort of
Cut and pasted from science daily...if you are in to alternative energy this is good news....riff Solar Cell Sets World Efficiency Record At 40 ... and for terrestrial concentrated photovoltaic arrays, which use lenses or mirrors to focus sunlight ... with a photovoltaic device that converts 40.8 percent of the light that hits it into electricity [more...]
Date: 2008-09-30 11:17:52
Photovoltaics for Homes
I found this interesting video on PVs for your home. Check it out! Thanks, GreenTech ! Photovoltaics for Homes by Jim On Light | Licensed under a Creative Commons BY-NC-SA License Related posts: PV Means Photovoltaics First Solar to World: “Hey, We Make Solar [more...]
Date: 2009-04-02 17:00:33
Using the Sun for Power - How It Works
With massive rebate programs and tax credits being issued by state and federal governments, using the sun to generate electricity is very popular ... energy. The arrays are made up of small squares called photovoltaic cells. A collection of these cells ... . The technology behind solar systems is known as photovoltaic technology. Essentially, this [more...]
Date: 2008-09-25 06:34:29
Using the Sun for Power - How It Works
With massive rebate programs and tax credits being issued by state and federal governments, using the sun to generate electricity is very popular ... energy. The arrays are made up of small squares called photovoltaic cells. A collection of these cells ... . The technology behind solar systems is known as photovoltaic technology. Essentially, this [more...]
Date: 2008-09-25 06:34:29
Top 5 Solar Stocks To Own For Solar Big Bang
Get ready: The solar “big bang” is getting underway as we speak ... : thermal, photovoltaic, hybrid and building integrated photovoltaics (BIPV). In a thermal collector ... either domestic hot water or as a heat source for a building. A photovoltaic solar panel is made [more...]
Date: 2009-04-05 21:34:02
SolFocus' New Module Promises to Break Records
Solfocus, whose technology focuses 500x the normal strength of sunlight onto tiny bits of ultra-efficient (ultra-expensive) ... and energy yield of any photovoltaic system available today." We're not quite sure if we can take ... photovoltaic installations.) It's going straight into the field in Europe (SolFocus has a manufacturing plant [more...]
Date: 2008-11-17 05:53:34
What type of Solar Energy...?
.fullpost{display:inline;}If you want to go full tilt and generate usable electricity from your home's rooftop—and even possibly contribute power back to the larger grid—tried and true photovoltaic arrays might be just the ticket. A typical installation involves the panels, which are constructed of many individual silicon-based photovoltaic [more...]
Date: 2008-09-15 07:56:00
Solar Company Receives Historic Commitment from DOE
For the first time ever, a private enterprise specializing in alternative energy has received a loan guarantee from the federal government ... -down effect of creating additional jobs in photovoltaic installation. Upon completion, the plant ... -film solar panels. Though less efficient than traditional arrays, CIGS-based photovoltaics [more...]
Date: 2009-03-24 19:18:25
Photovoltaic Solar Installations up 110% in 2008
On the heels of major growth in Spain, the global market for photovoltaic panels grew 110 percent last year, according to a study from SolarBuzz. A record 5.95 gigawatts in solar photovoltaic panels were installed last year, up from 2.83 GW in 2007. Europe comprised 82 percent of worldwide deman, with Spain and its government incentives [more...]
Date: 2009-03-18 15:36:11
Building Renewables, at Long Last
Over the past week or so, we’ve seen some developments suggesting wind power and solar photovoltaics (PV) are catching on with some big companies ... generation. Manufacturer Johnson Controls has just finished a 1,500 panel solar array ... facility in Tennessee to make polycrystalline silicone for photovoltaic panels and semiconductors [more...]
Date: 2009-03-02 01:17:34
New Photovoltaic Record
NREL Photovoltaic Technologies Scientists working for the DOE’s Renewable Energy Lab reached an efficiency of 40 ... for the space satellite market and for terrestrial concentrated photovoltaic arrays, which use lenses [more...]
Date: 2008-09-30 15:09:24
Another interesting thin-film CIGS application
April 4, 2009 · Filed under Uncategorized Heliovolt is another company tackling the task of bringing thin-film solar technologies, ... , they are currently seeking people to partner with on photovoltaic integrated design runs. Info below ... process eliminates the expense of slicing photovoltaic circuits and assembling individual solar cells [more...]
Date: 2009-04-04 18:18:11
Cheaper Materials Could Be Key To Low-cost Solar Cells
Cost Of Installed Solar Photovoltaic Systems Drops Significantly Over The Last Decade Researchers report that records from a decade’s worth of solar ... support for solar photovoltaic systems. Carbon-neutral Way To Power Your Home Scientists are working toward a biofuel-driven, zero-carbon home energy system. It works by burning vegetable oil [more...]
Date: 2009-04-01 17:55:02
Internet-in-a-box for areas without electricity
Unreliable electricity and spotty internet access are a fact of life in many parts of the developing world—and part of the reason the digital ... system that uses photovoltaic solar electrical systems and a variety of open source technologies ... a single wire. A power subsystem including an array of photovoltaic solar panels, an advanced charge [more...]
Date: 2008-11-27 09:59:46
Photovoltaic film molded to shingles, turns sunlight into electricity
It's an old idea: roof shingles that not only keep your home dry but capture solar power and convert it to electricity. But a Tucson, Ariz., solar firm and the world's largest chemical company are partners in a newer approach. Global Solar Energy of Tucson manufactures a thin, flexible photovoltaic film. read more [more...]
Date: 2009-03-13 18:55:00
Will solar power ever be as cheap as coal?
“Solar power is the energy of the future – and always will be ... mirrors that focus desert sunlight to harvest heat and spin turbines or rooftop photovoltaic panels ... are leading a team of engineers with one audacious mission: Make a silicon photovoltaic cell [more...]
Date: 2008-12-04 17:12:20
Go Solar Power For Homes Glossary of Terms - O to Q
O Ohm = The unit of resistance to the flow of an electric current. One-axis tracking = A system capable of rotating about one axis. Open-Circuit Voltage (VOC) = The largest voltage possible across a photovoltaic solar panel ... panel makes from North). P PV = Abbreviation for photovoltaic. (See below) Panel = A group [more...]
Date: 2009-02-22 06:00:59
Thin-Film Silicon PV Innovation
NanoMarkets has just released a new report on thin-film silicon photovoltaics. See here for details . Amorphous silicon (a-Si), a type of thin-film photovoltaic (PV) technology, is experiencing a dramatic growth curve worldwide and offers a compelling business opportunity in power generation, building- integrated solutions [more...]
Date: 2009-03-25 22:56:39
Eco Tech: Romag develops PowerPark to ease EV charging
Eco Factor: Solar-powered carport to recharge EV batteries while they’re parked. We recently showcased ingenious photovoltaic arrays developed by Envision Solar, which could ... but has more practical sense. PowerPark, as the company calls their carport, is a photovoltaic roof that harnesses [more...]
Date: 2009-03-31 07:13:21
The Future of Solar Energy Depends on Photovoltaics
Photovoltaics or PV is the area of research and technology that deals with solar cells as a source of energy by converting the sun’s rays into electricity. Every year since 2002, the production of PV cells has increased by 48%, which makes ... was produced by solar power. But what are PV’s and how do they work? The PV solar cell is composed [more...]
Date: 2009-03-21 13:30:30
World's Most Efficient Solar Water Heater
When we think about adding solar power to our homes, super-sexy photovoltaic panels get most of the attention ... packages, will likely create. And since these panels can reduce hot water electricity use by 70% even ... . But photovoltaics are extremely expensive while solar water heaters can save power at a much [more...]
Date: 2009-02-09 08:39:53
Just a reminder …
Just a reminder that it’s only two week’s until Betsy’s birthday. Gift ideas! ... . How does it work? The PV (photovoltaic) solar panels generate electricity by the Photovoltaic Effect; producing electric current when they are exposed to the light. Simply open the 2 panels and expose [more...]
Date: 2009-04-01 01:44:31
Geoengineering's Drawbacks
Because I'm not reflexively opposed to geoengineering research, ... . The geoengineering scheme would also mean 3% less sunlight reaching flat photovoltaic collectors ... , but not a fatal one. Commercially-available photovoltaic cells remain painfully inefficient, so one of the best [more...]
Date: 2009-03-16 16:40:50
15 Photovoltaics Solar Power Innovations
15 Photovoltaics Solar Power Innovations You Must See Researchers at McMaster University (coolest name ever) ... materials on carbon-nanotube fabric. In other words, hairy solar panels. The aim is to produce flexible ... manufacturing costs low enough to market solar panels at less than $1 per Watt, the target considered [more...]
Date: 2008-09-20 13:34:21
Solar Power For Homes From Thin-film Photovoltaic (PV) Laminates
This excellent video is a Google video. Thanks to the invention of thin-film photovoltaic (PV) ... , inflation-proof solar power is easier than ever. Unlike crystalline PV material, there’s no need for obtrusive racks and heavy, expensive glass. Instead, unbreakable thin-film PV is produced using [more...]
Date: 2009-04-06 16:04:40
Polysilcion prices forecasted to decline in 2009
Do you know what computer chips and photovoltaic solar cells have in common? They are both would not be possible without the amazing element, Silicon. Many of the solar panels ... supply thus keeping the prices of photovoltaic solar panels out of reach of the mainstream population [more...]
Date: 2008-11-13 13:54:57
Polysilcion prices forecasted to decline in 2009
Do you know what computer chips and photovoltaic solar cells have in common? They are both would not be possible without the amazing element, Silicon. Many of the solar panels ... supply thus keeping the prices of photovoltaic solar panels out of reach of the mainstream population [more...]
Date: 2008-11-13 13:54:57
COULD SOLAR HIGHWAYS POWER OUR CITIES?
by Jorge Chapa In the search for a solar solution to power our cities, one of our biggest obstacles is the massive acreage required by conventional arrays. Photovoltaic ... in Australia. The solar sound barrier comprises 500 meters of photovoltaic panels that are attached [more...]
Date: 2008-09-02 13:10:00
BioSolar’s BioBacksheet Gets Global Audience at International Green Energy EXPO Korea 2009
BioSolar’s BioBacksheet Gets Global Audience at International Green Energy EXPO Korea 2009 SANTA CLARITA, Calif.–(BUSINESS WIRE)–BioSolar, Inc. ( ... -selenide (CIGS) and cadmium telluride (CdTe) thin-film photovoltaic panels.“Solar power produces clean ... in driving down the cost per watt of photovoltaic solar power.“We have successfully demonstrated [more...]
Date: 2009-04-06 22:43:13
Micron Gap Thermal Photovoltaics
MTPV, a startup based in Boston that has raised $10 million, ... it up, and the light it emits is then converted into electricity by a solar cell. In a thermal photovoltaic ... so that when it gets hot, it emits light at wavelengths that a solar cell can convert efficiently. As a result [more...]
Date: 2009-01-21 08:38:39
Self-cleaning, low-reflectivity treatment boosts efficiency for photovoltaic cells
Using two different types of chemical etching to create features at both the micron and nanometer size scales, researchers have developed a surface treatment that boosts the light absorption of silicon photovoltaic cells in two complementary ways. [more...]
Date: 2009-03-24 04:00:00
Wells Fargo says it is a major backer of solar
From Green Right Now Reports San Francisco-based Wells Fargo & ... capital to solar photovoltaic projects developed by solar energy providers SunEdison and MMA Renewable ... Company announced today that it has financed 125 commercial-scale solar photovoltaic projects [more...]
Date: 2009-03-24 21:52:48
KLA-Tencor Follows Chips-To-Solar Move (KLAC, FSLR, WFR, AMAT)
solar-panel-pic6 As long as silicon chips continue to pack more power into less space, ... solar and photovoltaic to be a new engine of growth. The company revealed a new inspection device today that offers “optical in-line dual sided inspection of photovoltaic (PV) wafers and cells.” [more...]
Date: 2009-02-28 03:51:34
Israeli solar energy project enters farm phase
Two functioning CPV systems at Kibbutz Kvutzat Yavne ... solar power systems utilizing CPVs (concentrated photovoltaic) rather than traditional PVs (photovoltaic). Flat solar panels found atop homes encompass PVs, whereas CPVs differs in several different [more...]
Date: 2009-03-25 20:00:01
Stump Sprouts
I’ve been lucky enough to have a few wonderful wintery weekends lately, and I’d like to tell you about my visit to Stump Sprouts , ... Aggressive conservation efforts allow our photovoltaic array to provide us with as much electricity ... possible. ” One obvious (not so) Tiny Choice is their solar array (pictured up top there), which [more...]
Date: 2009-02-24 11:00:55
Solar Photovoltaic Prices Seen Falling
Prices are declining for polysilicon used to make silicon photovoltaic (PV) cells. In a comprehensive report on the subject this morning, Collins Stewart solar analyst Dan Ries notes that spot... [more...]
Date: 2009-02-13 06:58:47
Energy Department Issues First Renewable-Energy Loan Guarantee
Getty Images“Instead of relying on imports from other countries to meet our energy needs, we’ll rely on America’s innovation, America’s resources, ... to expand its production of photovoltaic systems at its facilities in Fremont, Calif. The company said ... produce thousands of new construction, manufacturing and installation jobs. Once the panels [more...]
Date: 2009-03-20 19:21:46
Sustainability at Sierra-at-Tahoe Ski Resort
Clint Eastwood’s iconic Dirty Harry character uttered “A man’s got to know his limitations” but can say the same thing about the Green progress of a ... like Heavenly , don’t have as much capital to spend on LEED certified buildings, high output photovoltaic systems or biodiesal powered snow-cats but then again they have a smaller footprint in terms [more...]
Date: 2009-04-03 16:23:28
Solar Powered Parking Spots
Everyone knows that World oil reserves are running out and sooner rather than later we will need to turn to electricity to power our vehicles. A British company called Romag has designed a car park canopy system which could potentially ... , the specialized photovoltaic cell manufacturer believes that many kilowatt hours of electricity [more...]
Date: 2009-04-05 19:56:47
RUNNING ON EMPTY PROMISES
Natural gas was supposed to become the most important source of modern energy and we were should have been driving fuel cell cars by now, however, ... of "Energy at the Crossroads." In 2007, the United States derived about 1.7 percent of its energy from new renewable conversions -- corn-based ethanol, wind, photovoltaic solar and geothermal -- and [more...]
Date: 2009-01-14 13:27:55
Solar Bateries
How about batteries that charges it self with no adapters and even a wall-plug? Well these concept Solar Batteries may be at a store near you soon ... of charging itself when exposed to sunshine. His slick set of SunCat C-cells are wrapped in flexible photovoltaic panels and will slowly recharge when left to bask in the sun. via - Inhabitat [more...]
Date: 2009-03-09 23:07:31
Solar: Is China Subsidy Limited to BIPV Installations?
There’s one nagging bit of uncertainty about China’s solar subsidy program which could make a big difference in terms of which companies might ... asserted that the program only covered what are known as “building integrated photovoltaic panels,” ... not address residential or utility applications.) The focus on BIPV would explain the continued [more...]
Date: 2009-03-27 20:25:07
Is Renewable Power Actually Sustainable?
Once upon a time, the automobile was actually considered a form of pollution control, ... for concentrated solar thermal plants use even fewer toxic materials than current photovoltaics do. I'll take ... of their own one day. A few examples: 1. The solar industry depends on massive volumes of silicon, which must [more...]
Date: 2009-01-16 20:08:00
1 -
50
of
401
Posts
Page:
First
| <
Preceding
|
Next
>
0
|
1
|
2
