Desalination plants a 'hidden asset' for power, water
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.
Search results for “Renewable Energy”
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Re-thinking renewable energy predictions
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.
SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalNew Journal of Physics·DateMar 3, 2016
Sugar-power -- scientists harness the reducing potential of renewable sugars
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.
MIT Energy Initiative welcomes Exelon as member for clean energy research
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.
Renewable fuels from algae boosted by NREL refinery process
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.
World is embracing clean energy, says University of Exeter professor
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.
Turning good vibrations into energy
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.
Rapid, affordable energy transformation possible
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.
Assessment aims to maximize greenhouse gas reductions from bioenergy
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.
Renewable energy for state renewable portfolio standards yielded sizable benefits
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...
Russia can be one of the most energy-competitive areas based on renewables
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.
Enlisting distributed energy devices to balance the power grid
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.
UN report takes global view of 'green energy choices'
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.
New report outlines benefits and trade-offs of low-carbon energy
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.
NREL research identifies increased potential for perovskites as a material for solar cells
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.
Microbes map path toward renewable energy future
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.
An innovative response to the challenge of storing renewable energy
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.
Study urges optimization of solar energy development
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.
SourceUniversity of California - Riverside·JournalProceedings of the National Academy of Sciences·DateOct 19, 2015
Into the mix: Harnessing the energy when freshwater meets the sea
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.
Improving utility smart metering, energy services and conservation
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.
Ocean waves may hold secret to efficient renewable energy
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.
Rice researchers demo solar water-splitting technology
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.
How to curb emissions? Put a price on carbon
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.
Study shows how investments reflected shift in environmental views
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.
SourceUniversity of Texas at Dallas·JournalJournal of Environmental Economics and Management·DateSep 3, 2015
As wind-turbine farms expand, research shows they could offer diminishing returns
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.
Another milestone in hybrid artificial photosynthesis
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.
SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateAug 24, 2015
From power grids to heartbeat: Using mathematics to restore rhythm
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.
SourcePotsdam Institute for Climate Impact Research (PIK)·JournalNature Communications·DateJul 15, 2015
Battery second use offsets electric vehicle expenses, improves grid stability
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.
Pacific Northwest National Laboratory to help small 'green' businesses
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.
Energiewende in the Alps: Switzerland's transition away from nuclear
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.
UT Arlington team develops new storage cell for solar energy storage, nighttime conversion
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.
Distributed technique for power 'scheduling' advances smart grid concept
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.
Renewable energy's record year helps uncouple growth of global economy and CO2 emissions
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 partnerships to help the grid accommodate more renewable energy
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.
NREL, Clemson University collaborate on wind energy testing facilities
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.
Fully renewable energy system is economically viable in Finland in 2050
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.
EU biofuels regime failing to meet its objectives under current regulatory framework
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.
Rubber is produced using renewable raw materials
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.
NREL supports China PV investment and financing to open capital for solar deployment
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 staff recognized for top innovations as lab celebrates record patent year
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.
Ethanol refining may release more of some pollutants than previously thought
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.
NREL report estimates market potential of shared solar
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.
INL and NREL demonstrate power grid simulation at a distance
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...
Bookmark and share printable version assuring solar modules will last for decades
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.
Scientists a step closer to developing renewable propane
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.
Plant cell structure discovery could lead to improved renewable materials
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 could make our roads and roofs 'greener'
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.
NREL tool finds effective behind-the-meter energy storage configurations
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.
Testing at NREL aids solar power in Hawaii
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.
NREL refines method to convert lignin to nylon precursor
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.
NREL releases the 2013 Renewable Energy Data Book, detailing increases in installed capacity
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.
New flow battery to keep big cities lit, green and safe
A new zinc-polyiodide redox flow battery boasts an energy density exceeding other flow batteries of its kind and size. This design enables efficient long-duration energy storage for urban grids, enhancing resiliency and flexibility.
NREL releases the 2013 Renewable Energy Data Book, detailing increases in installed capacity
Renewable electricity in the US grew to nearly 15% of total installed capacity and 13% of total electricity generation in 2013. Solar electricity was the fastest growing technology, with a 66% increase in cumulative installed capacity from the previous year.
Carbon nanoballs can greatly contribute to sustainable energy supply
Researchers at Chalmers University of Technology have discovered that adding carbon nanoballs to insulation plastic can increase the voltage by up to 26%, resulting in a 26% efficiency gain in electric power transmission. This could lead to more efficient power grids and sustainable energy systems.
Calculating the future of solar-fuel refineries
A new framework by UW-Madison engineers helps plot the future of solar fuels by accounting for general variables and big-picture milestones. The tool is designed to remain relevant as researchers experiment with new technologies and ideas, and can be adapted for other energy-related processes.
Sustainability challenged as many renewable resources max out
A study by Michigan State University and international partners reveals that 20 renewable resources, such as corn and soy, have reached peak production rates between 1988 and 2008. The researchers warn that relying on substitution to solve shortages may not be effective when multiple resources are running out.
Three new fellows to help guide NREL research
Richard DeBlasio, Sarah Kurtz and Suhuai Wei have been named as new NREL Research Fellows to advise on the strategic direction of science and technology research at the laboratory. They bring extensive expertise in renewable energy, photovoltaics and computational materials science.
NREL demonstrates 45.7 percent efficiency for concentrator solar cell
The National Renewable Energy Laboratory has demonstrated a four-junction solar cell with a conversion efficiency of 45.7%, surpassing previous records in photovoltaic research. The new design uses lattice-mismatched materials to achieve high efficiency and is suitable for concentrator photovoltaic systems.
NREL compares state solar policies to determine equation for solar market success
A combination of foundational policies and localized strategies can increase solar photovoltaic installations in any state. States with matching policy suites to their unique context have excelled, while economic factors must also be favorable for third-party ownership models.
NREL to advance technologies for microgrid projects
The National Renewable Energy Laboratory (NREL) is providing critical support to two new microgrid projects, receiving over $8 million in funding. These projects aim to develop commercially-viable standardized microgrid controllers that can provide a reliable, affordable, and sustainable electricity supply.