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Search results for “Renewable Energy”

1,000+ results for "Renewable Energy"

Where to install renewable energy in US to achieve greatest benefits

A new Harvard study identifies the Upper Midwest as ideal for wind turbines and the Great Lakes/Mid-Atlantic region for solar power to achieve maximum benefits. The research, funded by Harvard University's Climate Change Solutions Fund, provides a guide for policymakers, businesses, and utilities on where to deploy renewable energy.

SourceHarvard T.H. Chan School of Public Health·JournalEnvironmental Research Letters·DateOct 29, 2019

New approach for modern power grids that increases efficiency, reduces cost

Researchers from Singapore University of Technology and Design proposed a novel probabilistic dispatch strategy to minimize generation costs while ensuring constraint satisfaction in modern power grids. The approach significantly decreases the probability of constraint violation without impacting nominal power generation cost.

SourceSingapore University of Technology and Design·JournalIEEE Transactions on Control of Network Systems·DateOct 8, 2019

Device generates light from the cold night sky

Researchers develop a low-cost thermoelectric generator that harnesses temperature differences to produce renewable electricity at night, when solar power is not available. The device can generate up to 25 milliwatts of energy per square meter and has the potential to be scaled for practical use.

SourceCell Press·JournalJoule·DateSep 12, 2019

How buildings can cut 80% of their carbon emissions by 2050

Researchers suggest that reaching an 80% reduction in building CO2 emissions by 2050 requires highly energy-efficient technologies, new operational approaches, and electrification of fossil fuel-based systems. The study identifies two promising avenues for reducing emissions: energy-saving retrofits and smart software optimization.

SourceCell Press·JournalJoule·DateAug 15, 2019

Energy from seawater

The Stanford group's battery captures blue energy by releasing sodium and chloride ions, then reincorporating them through rapid wastewater and seawater exchanges. The technology has shown 97% effectiveness in capturing salinity gradient energy over 180 cycles.

SourceStanford University·JournalACS Omega·DateJul 29, 2019

Danish researchers create worldwide solar energy model

Researchers at Aarhus University have developed an historically accurate solar energy model with global, regional and local level performance data made available via open license. The model will help in optimizing future sustainable energy systems by analyzing photovoltaic installations.

SourceAarhus University·JournalProgress in Photovoltaics Research and Applications·DateJul 1, 2019

Campus energy advances can be optimized and replicated

A new study outlines a roadmap for expanding Stanford's energy system innovations to other campuses, maximizing purchases of electricity during renewable power hours and reducing carbon emissions. Thermal storage tanks offer an affordable alternative to traditional batteries, with costs about 15% lower.

SourceStanford University·JournalEnergy & Environmental Science·DateMay 8, 2019

Estimation of technology level required for low-cost renewable hydrogen production

Researchers in Japan developed an integrated system combining photovoltaic power generation and rechargeable batteries to produce hydrogen at a globally competitive cost. The system can adjust the amount of battery charge/discharge and electrolysis hydrogen production in relation to solar power generated, enabling the production of hyd...

SourceNational Institute for Materials Science, Japan·JournalInternational Journal of Hydrogen Energy·DateJan 31, 2019

Widespread decrease in wind energy resources found over the Northern Hemisphere

A new study reveals a significant decline in wind energy resources over the Northern Hemisphere, with 30-80% of stations losing wind power potential since 1979. Climate models are found to be inadequate in simulating long-term wind energy changes, underscoring the need for careful consideration when using GCM-based projections.