Articles tagged with Solar Energy
Lawrence Berkeley National Lab researchers present on topics including improved climate models, synthetic biology for better biofuels, emerging materials for photovoltaics, and efforts to detect Dark Matter. The presentation highlights the importance of reducing greenhouse gas emissions and exploring innovative solutions.
A new NREL report finds that the value of delivered energy from dry-cooled tower and parabolic trough CSP plants, integrated with thermal energy storage, are quite similar. This technology allows for dispatching solar thermal energy like conventional thermal generation, enabling CSP to respond to changes in supply or demand.
Researchers at EPFL have developed a high-efficiency, scalable method for creating solar-powered water splitting devices using molybdenum sulfide and copper(I) oxide. The new catalyst preserves optical transparency, stability under acidic conditions, and reduces maintenance costs.
Dr. Ben Kroposki, NREL director of Energy Systems Integration, named an IEEE Fellow for his leadership in renewable energy systems integration. NREL analysts also received honors for their work on energy-efficient computing and data sharing.
Two NREL reports show that soft costs, including financing and installation costs, now account for up to 64% of the total price of residential solar energy systems. Researchers found that supply chain costs, labor, customer acquisition, and corporate costs are among the largest contributors to these costs.
Researchers used ultrashort laser pulses to study how bacteria and algae efficiently gather light, suggesting that quantum interactions play a subtle role in energy transfers. The exact mechanism remains unclear, but understanding the role of quantum coherence may help develop more efficient solar technologies.
A new form of high-performance solar photocatalyst has been developed by combining TiO2 with metallic oxides, enhancing visible light absorption and efficient utilization of the solar spectrum. The material demonstrates 27 times larger photocatalytic activities than a single-layer TiO2 film.
A recent study published in Nature Chemistry shows that singlet fission can be controlled by interacting molecules, leading to a doubling of current in solar cells. The researchers used laser experiments and chemical methods to slow down the process and observe key intermediate steps.
The SAPC working group has developed three standard contract templates for residential and commercial solar power projects, with the goal of increasing consumer transparency and private-sector investment. The contracts cover residential leases and commercial power purchase agreements, allowing developers to increase business opportunit...
A new multi-terminal multi-junction architecture for inexpensive PV electricity generation has been proposed by Clemson University researchers. This design aims to exceed current efficiency limitations of 25% using silicon solar cells and thin-film materials abundant in Earth's crust.
The ASU group, in collaboration with Georgia Tech, has developed a new approach to growing InGaN crystals, promising to move photovoltaic solar cell technology toward record-breaking efficiencies. The technique, called metal-modulated epitaxy, allows for the growth of ideal crystals with uniform composition and lattice alignment.
Scientists have developed a new solar panel design that improves efficiency by up to 22% using aluminum studs, which bend and trap light inside the absorbing layer. This technology has the potential to make thin and flexible solar panels available at competitive prices, powering everything from domestic appliances to portable electronics.
The report identifies strategies to overcome market barriers and decrease soft-costs in four key areas: customer acquisition, permitting, inspection, and interconnection, installation labor, and financing. NREL aims to reduce residential solar costs by $0.65/W and commercial solar costs by $0.44/W by 2020.
Researchers from UCLA and international partners use a unique alignment of six spacecraft to measure the release of magnetic energy close to Earth. They discover that this energy is stored in Earth's magnetosphere and released through a process called magnetic reconnection, which powers Earth's auroras and radiation belts.
A new report from NREL and MIT reveals that China's dominance in solar manufacturing is largely due to its production scale advantages, including access to capital and supply chain benefits. The study suggests that these advantages can be replicated in the US with innovative technology and scale-up.
Researchers at the University of Pennsylvania have created a new mechanism for extracting energy from light, increasing efficiency by 3-10 times compared to conventional methods. This breakthrough could lead to more efficient solar cells and optoelectronic devices.
Scientists developed a solar steam technology that sterilizes medical and dental instruments, disinfects human waste, and purifies dirty water. The device uses sunlight to generate steam, eliminating the need for electricity or fuel.
Researchers at North Carolina State University have developed a new connection between stacked solar cells that can handle high-intensity solar energies without losing voltage. This breakthrough could improve the overall efficiency of solar energy devices and reduce production costs.
A new NREL report provides detailed land-use data for solar power plants, showing that a large fixed tilt photovoltaic plant requires an average of 2.8 acres for solar panels to generate 1 gigawatt-hour per year. The study found that small single-axis PV systems require on average 2.9 acres per annual gigawatt-hour, while concentrating...
The new device achieves a conversion rate of 7.3%, nearly double the original 4% rate, due to its two-layer design and novel materials. Researchers envision solar-powered windows and smartphone displays that can generate energy while maintaining transparency.
Engineers at Oregon State University have developed a new process for making thin-film solar cells using ethylene glycol and CZTS, a compound with excellent optical properties. The approach could lead to lower costs and wider adoption of solar energy.
The Energy Systems Integration Facility (ESIF) is a new research center that aims to boost clean energy technologies on a smarter grid. The facility will house experimental laboratories and outdoor test beds, including a petascale supercomputer, to support large-scale modeling and simulation. Advanced Energy Industries has already sign...
Researchers at the University of Delaware have developed an inexpensive catalyst that converts carbon dioxide into synthetic fuels for powering cars, homes, and businesses. The catalyst uses solar energy to convert CO2 into carbon monoxide, a valuable commodity chemical with many industrial applications.
Researchers at NIST have improved the performance of solar-powered hydrogen generation by developing a new photoelectrochemical cell design that is stable, efficient and economical to produce. The device has an efficiency of 2.9%, significantly higher than previous results.
Saudi Arabia is working with the US Department of Energy's National Renewable Energy Laboratory (NREL) to set up networks for measuring solar radiation in varying meteorological conditions. The partnership aims to train Saudi engineers and install over 50 monitoring stations to gauge the best spots for solar power plants.
The grant aims to improve solar energy system efficiency and reduce costs in West Michigan. Researchers will collect data on residential and commercial solar installations to better understand the region's unique conditions.
Concordia University's NSERC Smart Net-zero Energy Buildings Strategic Network has received $1 million in new funding from Natural Resources Canada. This grant will support research and testing of progressive technologies to create net-zero energy homes and commercial buildings.
Researchers at the University of Illinois have developed a new material approach that enhances visible light absorption in titanium dioxide, leading to increased solar cell efficiency. This breakthrough has significant implications for clean energy production, waste water purification, and other applications.
University of Chicago researchers engineer small molecules that support long-lived quantum coherences, mimicking photosynthetic systems. These findings demonstrate the feasibility of recreating quantum mechanics in man-made compounds.
A team led by UNC Charlotte researcher Deborah Strumsky is forecasting optimal energy investments using novel methods from network theory, performance curve analysis, and ecological systems. The project aims to provide a detailed picture of the solar technology ecosystem, influencing technological progress and informing policy decisions.
The US Department of Energy's National Renewable Energy Laboratory (NREL) has launched an initiative to build an open-source database of real-world performance from solar facilities. The Open Solar Performance and Reliability Clearinghouse (O-SPaRC) aims to provide critical data on the long-term performance of residential and commercia...
The global solar photovoltaic (PV) industry is making positive strides in reducing its energy debt, with electricity generated by all installed PV panels likely surpassing energy used to manufacture new modules. Continued technological advances and efficient conversion of sunlight into electricity are key factors driving this progress.
Researchers at EPFL created a nanowire solar cell that captures up to 12 times more light than traditional flat solar cells, producing more energy with lower costs.
The Solar Access to Public Capital (SAPC) working group aims to standardize power purchase agreements and develop robust datasets to assess performance and credit-default risk. This effort is expected to attract additional investors to the solar asset class, potentially lowering the cost of solar energy.
Researchers at SISSA have simulated a catalyst that mimics nature's process of producing 'green' fuel from sunlight. The study, published in Proceedings of the National Academy of Sciences, uses Ru4-POM to oxidize water and produce hydrogen, paving the way for cost-effective and efficient energy storage.
A novel fabrication technique called selective area atomic layer deposition (ALD) developed by Brian Willis could vastly improve the efficiency of solar rectenna arrays. Rectennas can harness more than 70% of the sun's electromagnetic radiation, converting it into usable electric power.
Researchers at NCAR are creating a prototype system to forecast sunlight and resulting power every 15 minutes, enabling utilities to continuously anticipate available solar energy. The project aims to improve cloud prediction accuracy, helping utilities tap into solar energy more effectively and reducing dependence on fossil fuels.
A University of Texas at Arlington engineer has developed a semiconductor-based process to capture, store and transmit solar energy more efficiently. The new method increases the yield of solar energy by 10 times and improves efficiency fourfold compared to current methods.
Researchers recommend doubling US energy productivity by 2030 through investments in efficiency concepts, modernizing infrastructure, and educating consumers. This can create a million new jobs, save households $1,000/year, and reduce carbon-dioxide emissions by one-third.
Researchers at MIT have developed a new passivation process that can protect silicon surfaces at room temperature, reducing energy costs and enabling the production of more efficient solar cells. This breakthrough has the potential to replace traditional silicon nitride coatings, which are currently expensive and finicky.
A new world record efficiency of 10.7% has been achieved in thin film silicon solar cells, using less than 2 micrometers of raw material, significantly reducing material costs and energy payback time.
Scientists found that impure domains in polymer-based organic photovoltaic cells can lead to improved performances if made sufficiently small. By studying the trifecta of ALS beamlines, they discovered a happy medium between purity and domain size that should be easier to achieve than ultra-high purity.
Researchers at NC State are developing universal solar panel mounting systems and automated permitting technologies to reduce installation costs. The goal is to make home solar energy systems more accessible and affordable for homeowners.
Experts predict solar power prices will continue falling through 2025, expanding greatly in the process. Continued commitment to research and development is crucial for long-term trends to sustain themselves.
The US Department of Energy's NREL and Lawrence Berkeley National Laboratory released reports examining solar photovoltaic (PV) pricing in the US. The reports indicate that PV system prices have been falling rapidly over the past decade, with soft costs accounting for 40-50% of residential and commercial PV prices in 2010.
The installed price of US solar photovoltaic systems decreased by 11-14% in 2011 and 3-7% in California's first half of 2012. Module prices fell precipitously since 2008, while non-module costs like installation labor and marketing declined by 30% from 1998 to 2011.
Researchers have developed a 'solar energy funnel' that uses materials under elastic strain to produce unprecedented properties. This concept takes advantage of the varying strain across different wavelengths of light, allowing for more efficient energy production.
Rice University scientists have developed a super-efficient solar-energy technology that converts sunlight into steam directly, with an overall energy efficiency of 24 percent. The 'solar steam' method uses nanoparticles to heat water instantly vaporizing it and creating steam from nearly frozen water.
Researchers at EPFL have created a device that can transform light energy into clean fuel, neutral carbon footprint hydrogen, from sunlight, water, and metal oxides like iron oxide. The technology has great potential to enable economically viable methods for solar hydrogen production.
Researchers from NREL demonstrated a solar cell with external quantum efficiency exceeding 100 percent, producing up to 30% more current than conventional technology. This breakthrough harnesses the power of multiple exciton generation (MEG) to reduce heat loss and increase electrical energy.
The Stanford team installed a solar-powered research camp at Mushara waterhole in Etosha National Park, Namibia, allowing for 20 years of elephant communication study. The camp powered cameras, speaker systems, and equipment to analyze seismic signals generated by low-frequency calls.
Researchers successfully integrated a single functionalized photosynthetic protein system into an artificial photovoltaic device, retaining its biomolecular properties. This breakthrough demonstrates the potential for light-driven, highly efficient single-molecule electron pumps to act as current generators in nanoscale electric circuits.
Researchers are developing molten-salt-based CSP heat transfer fluids with low melting points and low corrosivity to generate steam and electrical power efficiently and cost-effectively. The goal is to reach temperatures of up to 2,400 degrees Fahrenheit to overcome nocturnal drop in power generation capability.
The EPFL team has achieved a record efficiency of 22.4% for photovoltaic cells by combining amorphous and monocristalline silicon in a 'heterojunction' structure. This breakthrough could lead to cheaper and more efficient solar power, with costs estimated at $100 per square meter.
Engineers at Oregon State University have developed a method to use microwave heating to synthesize copper zinc tin sulfide, a promising solar cell compound. This approach saves money, works well, and can be scaled up easily compared to traditional methods.
The University of Minnesota has been awarded two grants from the US Department of Energy to fund research on capturing greenhouse gases and improving solar energy conversion. The grants will support the development of new materials and software tools for these applications.
Virginia Tech engineers have developed an optimization algorithm to integrate solar technologies into smart grids, allowing for efficient energy storage and usage. The system uses real-time electricity prices and load profiles to control distributed photovoltaic power adoption, maximizing revenue for customers and utility companies.
The NSF is providing $3 million to ASU to develop a doctoral program in energy and equip students with skills to address the energy challenges of the future. The Solar Utilization Network IGERT program will focus on four key research areas: biological conversion, photovoltaics, solar thermal, and sustainable policy.
The NIST team has created a versatile measurement system that accurately measures the electric power output of solar energy devices. The new system uses LEDs and can measure spectral response in about 4 seconds, potentially speeding up manufacturing tests for quality control.
Washington University's engineers will work on low-cost solar cells and systems, while Indian partners deploy the technology. The initiative aims to leapfrog energy production technology, moving directly to solar in under-electrified areas of India.