Keyword: Hydroelectric Power

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Blog: Energy
My opinion: We need a holistic approach to energy storage — we should start with the general category and then analyze the pros and cons of different technologies to solve different problems.
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Articles: Aerospace

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

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Briefs: Transportation

In steep mountain regions, the potential for generating electricity from a small stream of water is high, however, the hydropower potential of these regions remains untapped as it...

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5 Ws: Energy
Learn the Who, What, Where, Why, and When for an ocean battery that holds onto excess energy from offshore wind farms.
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Question of the Week: Energy
Will ‘Ocean Batteries’ Catch On?

Our lead story today highlights an innovative energy approach from a Netherlands-based company called Ocean Grazer. Tied to existing wind farms, the team’s “Ocean Battery” pumps water from solid subsea reservoirs into flexible bladders located just above the seabed. When there is a demand for power, the...

Podcasts: Mechanical & Fluid Systems

Dr. Frits Bliek and his team at Ocean Grazer are building an "Ocean Battery" that brings hydrodam technology to the sea.

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INSIDER: Electronics & Computers

The aging energy grid is being pushed to the breaking point. Power outages from extreme weather alone cost anywhere from $2 billion to $77 billion per year. And some isolated communities still rely...

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INSIDER: Energy

As we trend toward more renewables and distributed energy resources (DERs), the design of the electric distribution system itself imposes physical...

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INSIDER: Energy

Molten sodium batteries have been used for many years to store energy from renewable sources, such as solar panels and wind turbines. However, commercially available molten sodium-sulfur...

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INSIDER: Energy

If we are to transition to a world powered by renewable energy, efficient long-distance transport of electricity is essential, since the supply — renewable...

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Question of the Week: Energy
Will Rain Become a Viable Energy Source?

Our lead INSIDER story today demonstrated the power of a droplet energy generator – specifically the system’s ability to light up 100 LEDs with just a small amount of water.

Blog: Energy
An energy breakthrough from the City University of Hong Kong finds power in a single drop of water – up to 140 volts, in fact.
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Briefs: Energy
The nanogenerator also acts as a weather station.
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Briefs: Energy
When combined with saltwater, rust can be a source of electricity.
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Question of the Week: Energy
Will Wave-Powered Desalination Catch On?

Today's lead INSIDER story demonstrated how ocean waves can be used to turn seawater into freshwater.

Blog: Energy
Inventor Olivier Ceberio found a new way to turn ocean waves into fresh water.
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Blog: Energy

Scientists from Caltech and Northwestern University have found a way to generate electricity by combining saltwater with one of life's more undesirable compounds: rust.

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News: Energy
Pumped Hydroelectric Plant Stores Power on the Seabed

Norwegian research scientists will contribute to realizing the concept of storing electricity at the bottom of the sea. The energy will be stored with the help of high water pressure. The idea of an underwater pumped hydroelectric power plant may sound like Jules Verne fiction, but then it...

News: Software

A new geospatial application developed by the DOE’s National Renewable Energy Laboratory (NREL) allows users to map potential renewable energy resources in the United States. The interactive tool is...

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News: Energy

The DOE and Georgia Institute of Technology offer a new database highlighting the energy potential available in the U.S. from ocean tides. This online database is an important step towards providing...

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Briefs: Energy

A proposed scheme for generating electric power from rivers and from ocean currents, tides, and waves is intended to offer economic and environmental advantages over prior such...

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News: Energy

Aerospace engineers from the U.S. Air Force Academy are applying the principles that keep airplanes aloft to create a new wave energy system that is durable, efficient, and can...

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News: Energy

Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions of everyday life. Although motion is an abundant...

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Articles: Energy

U.S. Department of Energy Secretary Steven Chu announced up to $32 million in Recovery Act funding, which is designed to support the deployment of hydropower turbines and control technologies to...

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News: Energy

Photovoltaic and wind energy plants, hydroelectric power stations, and biogas plants can be complex to design and maintain. In designing a hydroelectric power station, an engineer needs to...

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Articles: Energy

Renewable energy will be the world’s fastest-growing source of electricity generation over the next two decades, although it will still make up a relatively minor portion...

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Articles: Energy

NASA Jet Propulsion Laboratory (JPL) researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into...

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Articles: Energy

In celebration of the 30th Anniversary of NASA Tech Briefs, our features in 2006 highlight a different technology category each month, tracing the past 30 years of the technology, and continuing with a glimpse into...

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