Sentences with phrase «solar efficiency by»

Not exact matches

On the one hand, President Obama announced a slew of new incentives and financing mechanisms for renewable energy and efficiency Monday at the 8th annual Clean Energy Summit in Las Vegas, hosted by solar champion Sen. Harry Reid (D - NV).

We work across the region to spur affordable and efficient deployment of solar, energy efficiency and other clean energy solutions by helping to inform you about technologies, policies, and incentives.

LIPA's solar programs are an important component of Governor Paterson's»45 by 15» initiative to meet 45 percent of the State's electricity demand through energy efficiency improvements and renewable energy by 2015.

The Department's R&D initiatives involving applied — as opposed to basic — renewable energy research are supervised by the Office of Energy Efficiency and Renewable Energy (EERE), which covers biomass, geothermal, hydrogen, ocean, solar, and wind.

The Republican budget, introduced by Rep. Paul Ryan, would slash discretionary spending for energy programs by over 50 % next year, derailing efforts to increase energy efficiency and develop wind, solar, geothermal, and other clean energy sources.

«High efficiency solar power conversion allowed by a novel composite material: A composite thin film developed at INRS improves significantly solar cells» power conversion efficiency..»

We only need another 10 years of costs reducing by 5 to 7 per cent a year, and efficiencies increasing by 2 to 3 per cent a year for solar power to compete with all energy sources.

The draft bill would require utilities above a certain size to supply 25 percent of their power from renewable sources like wind, solar and biomass energy by 2025, although efficiency measures could be used to meet a fifth of the target.

By being able to observe what actually happens, scientists can begin to understand how an electron interacts with other electrons, which may help improve the efficiency of solar cells.

Researchers think they may soon do even better — perhaps achieving 30 % efficiency — by integrating perovskites with conventional silicon solar cells.

A team of researchers led by the University of California San Diego has for the first time observed nanoscale changes deep inside hybrid perovskite crystals that could offer new insights into developing low - cost, high - efficiency solar cells.

With this technique, the Empa team has again been able to significantly increase the energy conversion efficiency from sunlight into electricity using CIGS thin film solar cells on flexible plastic foils — to a new record level of 20.4 %, representing a marked improvement over the previous record of 18.7 % established by the same team in May 2011.

The scientists have devised a new manufacturing technique that could boost the efficiency of an inexpensive type of solar cell by up to 50 %, making the technology an economically feasible alternative to fossil fuels in the search for sustainable energy.

The 40 % efficiency milestone is the latest in a long line of achievements by UNSW solar researchers spanning four decades.

A tiny solar cell doubles the efficiency of common photovoltaics» conversion of sunlight to electricity by capturing the energy from a broader spectrum of light.

A key part of the prototype's design is the use of a custom optical bandpass filter to capture sunlight that is normally wasted by commercial solar cells on towers and convert it to electricity at a higher efficiency than the solar cells themselves ever could.

But by building on the basic step of achieving such high quantum efficiency for solar hydrogen generation, we could make the process of producing a «green» fuel much greener as well.»

Recently, scientists have explored ways to improve the efficiency of solar - thermal harvesting by developing new solar receivers and by working with nanofluids.

Theoretical calculations show that by harvesting the hot electrons, the maximum efficiency for hybrid - perovskite solar cells could increase from 33 to 66 percent.

A new solar cell design could raise the energy conversion efficiency to over 50 % by absorbing the spectral components of longer wavelengths that are usually lost during transmission through the cell.

Solar cells based on cadmium and tellurium could move closer to theoretical levels of efficiency because of some sleuthing by researchers at the Department of Energy's Oak Ridge National Laboratory.

The efficiency of solar cells depends on trapping and absorbing light and can be increased by using a back reflector: a mirror behind the solar cell material that reflects light that was not absorbed and leads it back into the solar cell.

In January the researchers reported that applying the film to solar cells increased efficiency by 6 percent.

Using technology borrowed from lasers, they have developed a low - cost solar concentrator that collects sunlight from a large area and focuses it onto a much smaller area, boosting the efficiency of existing solar cells by 15 to 20 percent.

In new research, scientists have demonstrated that the efficiency of all solar panel designs could be improved by up to 22 per cent by covering their surface with aluminium studs that bend and trap light inside the absorbing layer.

The SunCatcher solar thermal system, developed by Tessera Solar and built by Stirling Energy Systems at the Sandia National Laboratories» National Solar Thermal Test Facility, captures solar energy at 31.25 percent efficiency, the highest ever achieved by this technosolar thermal system, developed by Tessera Solar and built by Stirling Energy Systems at the Sandia National Laboratories» National Solar Thermal Test Facility, captures solar energy at 31.25 percent efficiency, the highest ever achieved by this technoSolar and built by Stirling Energy Systems at the Sandia National Laboratories» National Solar Thermal Test Facility, captures solar energy at 31.25 percent efficiency, the highest ever achieved by this technoSolar Thermal Test Facility, captures solar energy at 31.25 percent efficiency, the highest ever achieved by this technosolar energy at 31.25 percent efficiency, the highest ever achieved by this technology.

Light degradation is a harmful effect that reduces the solar cell efficiency by several percentage units during the first 24 hours of use, after which the situation becomes stabilised.

Researchers have been able to improve the efficiency of solar cells by coating the cell surface with extremely small nanoscale structures.

Another benefit of these solar cells is their relatively high efficiency and technological compatibility with the manufacturing technologies currently used by the semiconductor industry,» Savin explains.

Made from cheap, abundant components, these cells use a titanium dioxide dye to turn 11 percent of incoming light into electricity — close to the efficiency of standard solar cells used by homeowners today as shown in the photo.

Snaith's team is seeing some improvement already, bumping the efficiency of a silicon solar cell from 10 to 23.6 percent by adding a perovskite layer, for example.

The existing photovoltaics market is dominated by modules made of single - junction silicon solar cells, with efficiencies between 17 % and 24 %.

«For photovoltaics, an array of lenses placed atop a solar cell can serve as a light collector to enhance the efficiency of the photovoltaic system by making it less sensitive to the inclination angle of the solar light with respect to the cell surface.»

Once written off as unusable, they might now find redemption by rescuing solar panels, which have hit a formidable pothole in their efficiency.

The efficiency of a traditional rooftop solar panel tends to break down by the time temperatures have reached 100 degrees Celsius, but larger - scale parabolics would be able to operate at much higher temperatures and retain the heat by using the cesium - coated semiconductors, Melosh said.

For every one - degree Celsius (1.8 degree F) increase in temperature, the efficiency of a solar cell declines by about half a percent.

«(2) The Secretary shall require, with respect to any single - or multi-family residential housing subject to a mortgage insured under this Act, that any approval or certification of the housing for meeting any energy efficiency or conservation criteria, standards, or requirements pursuant to this title and any approval or certification required pursuant to this title with respect to energy - conserving improvements or any renewable energy sources, such as wind, solar energy geothermal, or biomass, shall be conducted only by an individual certified by a home energy rating system provider who has been accredited to conduct such ratings by the Home Energy Ratings System Council, the Residential Energy Services Network, or such other appropriate national organization, as the Secretary may provide, or by licensed professional architect or engineer.

Her research has provided important insights into the basic physics of perovskite solar cells by measuring their efficiency at different temperatures and light intensities.

In a paper recently published in the journal Energy & Environmental Science, a team led by chemical and biological engineering Professors Christos Maravelias and George Huber outlined a tool to help engineers better gauge the overall yield, efficiency and costs associated with scaling solar - fuel production processes up into large - scale refineries.

A bacterial virus called M13 was genetically engineered to control the arrangement of carbon nanotubes, improving solar - cell efficiency by nearly one - third.

Using superconducting, nano - particle infused ink, researchers have increased the efficiency of solar water heaters by up to 70 percent.

Bergin first thought of the possibility that dirt could reduced the efficiency of solar energy production when his colleagues from India showed some of their rooftop solar installations that were covered by dusts.

Interestingly, the researchers noted that the efficiency of solar energy production was increased by 50 percent every time the solar panels were cleaned after being left alone for several weeks.

The cost of solar PV has come down by 80 per cent over the last five years, an almost unprecedented drop due to manufacturing efficiencies and a maturing UK supply chain.

By encouraging schools to work with local contractors such as solar power installers and energy efficiency advisors, LESS CO2 is also helping boost local economies.

Nov 14 - 16, 2008: San Francisco Green Festival featured a talk by Co-Op America's Executive Director Alisa Gravitz, «Taking the Leap: Converging Solar, Efficiency and Plug - in Hybrids,» and booths by 3ProngPower in Berkeley and the SF Electric Vehicle Association.

The stylish, aerodynamic Ray combines design and engineering for maximum efficiency, incorporating clean, flush surfaces minimizing any unneeded edges, a flowing profile and pronounced rear shoulder ending in a slightly high deck lid for reduced drag, touch - screen controls, drive - by - wire steering, «cool - glazing» solar glass and a lithium - polymer battery - all possible indicators of future technology from Kia.

A simple potassium solution could boost the efficiency of next - generation solar cells, by enabling them to convert more sunlight into electricity.

A long sought - after «nanograss» structure promises to significantly boost the efficiency of organic solar cells by capturing light more efficiently while also allowing the use of cheaper, lower - grade materials.

Electricity is locally produced by a photovoltaic power station that covers about the 60 % of the annual consumption; heating and AC systems use a heat pump powered by photovoltaic panel, thermal solar panel produce up to 100 % of the hot water used in bathrooms; during winter a pellet (compressed wood) high efficiency heating system can guarantee a comfortable warm temperature in all the houses.