Researchers found low reorganization energy when pairing SWCNT semiconductors with fullerene molecules, enabling efficient electron transfer and solar energy harvesting. This discovery suggests nanotube semiconductors could be favorable for photovoltaic applications.
Scientists at NREL have developed a new process using light to reduce dinitrogen into ammonia, with rates of production similar to those of the ATP-dependent reaction. This method reduces energy requirements and emits no carbon dioxide, offering a more sustainable alternative to current industrial processes.
A team of researchers at PNNL has made an unexpected discovery in rechargeable batteries, leading to a more efficient and environmentally friendly alternative for storing renewable energy. The new battery, which uses zinc-manganese oxide materials, can store energy with higher density and lower cost than conventional car batteries.
State RPS policies have contributed to over half of US renewable electricity growth since 2000. The report finds that RPS policies will require a substantial increase in US renewable electricity supplies by 2030.
Scientists have created a rechargeable battery driven by bacteria, addressing safety issues and high costs associated with conventional lithium-ion batteries. The microbial battery successfully stored energy for 16 hours and discharged it over the next 8 hours, mimicking day-night patterns typical of solar energy production.
Researchers at NREL have developed a thermoelectric power generator using carbon nanotubes, enabling the capture and use of waste heat. The material's unique properties allow it to retain high thermopower while maintaining low thermal conductivity.
Renowned researcher D. Yogi Goswami has been awarded the 2016 Böer Solar Energy Medal of Merit for his significant pioneering contributions to solar energy. His work focuses on reducing costs and developing efficient, effective storage methods for solar energy.
ORNL researchers develop a new thermoplastic called ABL with improved performance and recyclability. The material uses lignin as a renewable feedstock, offering a sustainable alternative to petroleum-based plastics.
NREL's projects focus on advancing transformational technologies for more efficient, renewable, and resilient energy systems. The lab is developing novel solar cell manufacturing processes and extreme-scale wind turbines to expand offshore wind energy access.
Desalination plants can generate renewable hydropower for peak demand periods, improving water security without building new dams. This approach offers cost savings for consumers and government.
Researchers at OIST found that wind farms on a grid are part of a larger geographic weather system, leading to correlated power outputs. This challenges the assumption that geographically distributed wind farms are independent and poses difficulties in forecasting power output.
Researchers at the University of Huddersfield have pioneered sugar-powered catalysis, which could revolutionize industries such as agro-chemistry and pharmaceuticals. By harnessing the reducing potential of renewable sugars, scientists have developed a cost-effective and environmentally friendly method for catalysis.
The MIT Energy Initiative welcomes Exelon as a member to advance key enabling technologies crucial to addressing climate change. The partnership aims to accelerate deployment of clean energy technologies through collaborations with academia, government agencies, and industry stakeholders.
A new biorefinery process developed by NREL has significantly improved ethanol production from algae, with a yield of 126 gallons of gasoline equivalents per ton of biomass. The process, called Combined Algal Processing (CAP), reduces costs by nearly $10/GGE compared to traditional methods.
Scientists at Ohio State University develop tree-like structures that can convert random forces into strong structural vibrations ideal for generating electricity. The technology may prove valuable in small-scale situations where other renewable energy sources are not an option, powering sensors that monitor infrastructure health.
Investment in renewable electricity surpasses that in fossil fuels globally, according to University of Exeter expert. The shift towards sustainable energy systems is driven by improved policy discourse and decreasing costs, with momentum growing towards a flexible, renewable-based electricity system.
A new study suggests the US can transition to a low-carbon electricity system by 2030, reducing CO2 emissions by up to 78% and delivering electricity at costs similar to today's. The model uses weather-driven renewable resources to supply most of the nation's electricity.
A new study using the MIVES method has assessed the sustainability of various energy sources, including conventional and renewable power plants. Renewable energies consistently score higher in sustainability indices compared to conventional power plants.
A new study estimates that state renewable portfolio standard policies yielded significant environmental and economic benefits, including reduced greenhouse gas emissions ($2.2 billion) and air pollution reductions ($5.2 billion). The study also found that RPS policies supported 200,000 renewable energy-related jobs and saved consumers...
A fully renewable energy system is achievable and economically viable for Russia and Central Asia by 2030, with costs comparable to European nuclear technology or carbon capture and storage. The region can expect a 20% reduction in electricity costs through integrated energy sectors.
A new research project proposes employing millions of existing distributed energy resources to balance the power grid, increase reliability and decrease carbon emissions. The approach uses incentive-based coordination and control to make the grid more efficient and resilient.
The UN report concludes that green energy technologies can significantly reduce global pollution if chosen wisely. Renewable electricity generates much lower greenhouse gas emissions than fossil fuels, with wind and solar power producing only 5-6% of the emissions created by coal-fired plants.
The report reveals that renewable energy improves the environment and protects human health by reducing greenhouse gas emissions and pollution. However, it also highlights challenges such as material scarcity, recycling issues, and energy penalties from carbon capture and storage systems.
Scientists at NREL have discovered a way to increase the efficiency of perovskite solar cells by reducing energy lost to heat. By utilizing hot-carrier solar cells, the potential efficiency limit increases from 33% to 66%. Perovskites are a class of materials with various technological applications.
Researchers at PNNL found that Cyanothece uses both stored energy and direct sunlight to produce hydrogen. The organism's ability to create robust amounts of hydrogen makes it a viable catalyst for hydrogen production.
The new system, developed by EPFL's Distributed Electrical Systems Laboratory, is based on high-performance lithium-ion titanate cells and can store up to 500 kWh of energy. Researchers will use it to study and optimize the functioning of renewable energy systems and feed them into the power distribution grid.
A new study led by UC Riverside researchers found that utility-scale solar energy development can drive land-use and land-cover change, resulting in greenhouse gas emissions. The study emphasizes the need for optimized solar energy development to minimize environmental impacts.
A new study explores the potential of Pressure Retarded Osmosis technology to extract energy from salinity gradients in Australian waters. The research suggests that brine, rejected during desalination, can be used as a source of osmotic energy, offering a carbon emission-free alternative to fossil fuels.
Researchers at UMass Amherst are developing smart energy services that use data from Holyoke Gas & Electric Co.'s smart meters to reduce peak demand, promote local renewable energy and save customers money. The services will also provide real-time notifications for unusual energy usage and suggested conservation tips.
University of Cincinnati quantum chemistry researcher Thomas Beck develops new methods to calculate the thermodynamics of ion hydration, leading to more efficient renewable energy devices. His findings have garnered international respect and recognition from top physicists.
Researchers have developed a system that captures energy from 'hot electrons' to split water molecules into oxygen and hydrogen, offering a promising means of harnessing renewable energy. The process uses light-activated gold nanoparticles and efficiently increases solar-to-electric power-conversion efficiencies.
A new policy article suggests that opening up access to power grids, ending fossil-fuel subsidies, and supporting renewable energy technologies can make wind and solar power cheaper. The authors argue that modernizing power grids and ensuring policies related to renewable energy are crucial for reducing emissions.
A new study from the University of Texas at Dallas reveals that US investors prefer coal over renewable energy, reflecting a different environmental perspective. In contrast, European investors prioritize renewable energy stocks, driven by environmentally conscious attitudes.
Researchers at the University of Kansas found that large wind farms can trigger a slowdown effect in atmospheric flow, resulting in less renewable energy generated. This phenomenon, known as the 'turbulence-attenuation effect,' affects wind turbines' ability to generate electricity.
A team of researchers at Berkeley Lab has achieved another milestone in hybrid artificial photosynthesis by generating renewable molecular hydrogen and synthesizing carbon dioxide into methane. The new system uses solar energy to split water molecules into oxygen and hydrogen, which is then used by microbes to produce methane.
Researchers have developed a method to revive oscillations in complex networks, including power grids and biological systems. This approach uses advanced mathematical analysis to stabilize rhythms, which can be disrupted by external factors such as renewable energy fluctuations or changes in the human cardiovascular system.
Researchers at NREL have identified battery second-use strategies that can offset vehicle expenses while improving utility grid stability. Reusing Li-ion batteries can retain up to 70% of their initial capacity and provide a credit of $1,000 to car owners.
The Pacific Northwest National Laboratory has been selected as one of five national laboratories to lead the Department of Energy's new Small Business Vouchers Pilot. The lab will provide technology assistance to small clean energy firms in three sectors: bioenergy, water power, and buildings.
Switzerland seeks to replace nuclear power with a mix of renewable energy sources, including wind, photovoltaics, and hydropower. The country aims to be largely independent of fossil fuels by 2034, reducing carbon intensity through efficient production processes and substantial reductions in consumption.
The UT Arlington team has developed an all-vanadium photo-electrochemical flow cell that enables large-scale solar energy storage even at night. This innovation overcomes a major limitation of current solar technology, allowing for uninterrupted energy storage around the clock.
Researchers at North Carolina State University have developed a new power scheduling technique that coordinates energy produced and stored by conventional and renewable sources. The approach replaces traditional centralized management with decentralized, distributed computing, enabling more efficient and secure energy distribution.
In 2014, renewables made up 59% of net additions to global power capacity, reaching 27.7% of the world's power generating capacity. This milestone marked the first time in four decades that the world economy grew without a parallel rise in CO2 emissions.
NREL is awarding up to $6.5 million in federal funds to technical teams across the US to test advanced control systems, smart consumer devices, energy storage, and emerging communications technologies for grid reliability and efficiency. The projects aim to accelerate modernization of the electric grid and enable a clean energy future.
The partnership aims to enhance the operation and development of testing facilities, enabling better understanding of wind turbine drivetrain systems. The collaboration will also promote public-private partnerships and workforce education in the energy industry.
A fully renewable energy system featuring high shares of wind and solar energy is economically feasible for Finland by 2050, producing over 166 TWh of electricity annually. The system also includes power-to-gas technology and energy storage solutions, with total annual costs estimated at around 25 billion euros.
The EU biofuels regime is failing to achieve its climate and environmental objectives due to a flawed regulatory framework. The study suggests that binding targets and effective governance mechanisms are needed to improve the system. This requires coherent and comprehensive regulation, as well as public-private cooperation.
Biosyncaucho produces an alternative compound using renewable resources, addressing the shortage of 1,3-butadiene and its associated environmental impact. The technology has the potential to provide economically viable and greener alternatives for various industries.
The collaboration aims to provide diverse sources of investment for solar PV asset development in China, reducing future CO2 emissions. NREL will advise CPVFA on documentation standardization, data availability, and consistency in asset deployment.
NREL's Innovation and Technology Transfer Awards ceremony recognized professionals behind the lab's greatest innovations from FY14. Distinguished Innovator Min Zhang and Rising Stars Chuck Booten and John Simon were honored for their contributions to clean energy technology development.
The Energy Department's National Renewable Energy Laboratory (NREL) and Idaho National Laboratory (INL) have successfully demonstrated the capability to connect grid simulations at their two labs for real-time interaction via the Internet. This new inter-lab capability enables the modeling of power grids in greater detail by allowing s...
A NREL report finds that shared solar programs can expand access to renewable energy, reaching 32-49% of the US distributed photovoltaic market in 2020. The program's structure and regulation impact its potential for deployment.
A new study found emissions of ozone-forming compounds at an Illinois ethanol refinery are 30 times higher than government estimates. Emissions from other refineries in the US may also be underestimated, potentially making them a larger source of VOCs than currently thought.
The International PV Quality Assurance Task Force (PVQAT) aims to develop standards for PV module reliability, addressing climate zones and mounting configurations. Data from 50,000 solar systems shows a low failure rate of just 0.1% per year.
Researchers at the University of Manchester have created a synthetic pathway for biosynthesis of renewable propane, paving the way for its commercial production. The breakthrough uses an engineered enzyme variant to redirect microbial pathways, producing propane as a clean-burning alternative to fossil fuels.
A breakthrough in understanding plant cell walls could lead to innovative renewable materials and energy solutions. The discovery reveals a previously unknown molecular arrangement, providing new insights into the mechanical strength of plants.
A molecule from plants and trees, lignin, could be used to create asphalt and sealant mixtures that are more environmentally friendly and durable. Lignin, a renewable resource found in trees, has been integrated into bitumen to improve its performance and reduce the amount of non-renewable oil needed.
The NREL tool uses Battery Lifetime Analysis and Simulation Tool (BLAST) to evaluate unique scenarios and identify the most cost-effective energy storage system configurations. Small battery systems reducing peak demand by 2.5 percent offer the most attractive return on investment.
Researchers at NREL have developed a new process to convert lignin-derived compounds into adipic acid, an industrial dicarboxylic acid used in the production of nylon. This breakthrough has significant implications for the economic viability and environmental sustainability of biorefineries.
Testing at NREL aids solar power in Hawaii by quantifying transient LRO conditions, allowing HECO to increase its penetration limits for rooftop solar from 120% to 250% of minimum daytime load.
The 2013 Renewable Energy Data Book reports a significant increase in installed renewable capacity in the US. Key findings include solar electricity's rapid growth and renewable sources accounting for 23% of global electricity generation worldwide.