News tagged with electric power grid

Grid realities cancel out some of wind power's carbon savings

(Phys.org) -- Wind energy lowers carbon emissions, but adding turbines to the current grid system does not eliminate emissions proportionally, according to a report by researchers at the Argonne National Laboratory.

Technology / Energy & Green Tech

created 8 hours ago | popularity 2.8 / 5 (4) | comments 4 | with audio podcast

Sci-fi no longer, NREL engineers smart homes

Thanks to TV shows such as The Jetsons and Star Trek, many Americans grew up dreaming that homes of the future would be equipped with fantastic high-tech features. From automatic food dispensers to sliding do ...

Technology / Energy & Green Tech

created May 28, 2012 | popularity not rated yet | comments 0

Clean energy becomes a selling point

As somewhat bewildered Apple shoppers in San Francisco, New York and Toronto learned firsthand this month, Greenpeace has a new enemy: dirty data. To attract attention to its report, "How Clean Is My Cloud?" - which draws ...

Technology / Energy & Green Tech

created May 16, 2012 | popularity 3 / 5 (2) | comments 0

Power storage buffers fluctuating solar power

Siemens has developed an energy-storage system that can act as a buffer in electrical power grids. The aim is to provide a buffer against short-term fluctuations in output from renewable energy sources. Such ...

Technology / Energy & Green Tech

created May 11, 2012 | popularity not rated yet | comments 0

Ukraine nuclear plant halts reactor as power fails

A reactor at a nuclear power station in Ukraine has been disconnected from the grid following an electrical failure but radiation levels were not elevated, authorities said on Tuesday.

Technology / Energy & Green Tech

created Apr 17, 2012 | popularity 5 / 5 (1) | comments 0

Best marketing for renewable energies

Transmission system operators must assess precisely the supply of electricity from renewable energies for the next day in order to market this electricity on the European Power Exchange as effectively as possible. The sharply ...

Technology / Software

created Apr 04, 2012 | popularity not rated yet | comments 0

Advanced power-grid research finds low-cost, low-carbon future in West

The least expensive way for the Western U.S. to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other sources of energy ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity 4.2 / 5 (14) | comments 73 | with audio podcast

Biggest solar storm in years races toward Earth (Update 2)

The largest solar storm in five years was due to arrive on Earth early Thursday, promising to shake the globe's magnetic field while expanding the Northern Lights.

Space & Earth / Space Exploration

created Mar 07, 2012 | popularity 3.9 / 5 (14) | comments 4

Power hungry: The nation's energy grid is on the Department of Homeland Security's mind

The nation's electric grid isn't something most of us think about very often, except when an event such as the infamous 2003 blackout in the northeast takes place.

Technology / Energy & Green Tech

created Mar 05, 2012 | popularity not rated yet | comments 0

NIST releases final Smart Grid 'Framework 2.0' document

An updated roadmap for the Smart Grid is now available from the National Institute of Standards and Technology (NIST), which recently finished reviewing and incorporating public comments into the NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 2.0. ...

Technology / Energy & Green Tech

created Feb 29, 2012 | popularity not rated yet | comments 0

Experimental smart outlet brings flexibility, resiliency to grid architecture

(PhysOrg.com) -- Sandia National Laboratories has developed an experimental "smart outlet" that autonomously measures, monitors and controls electrical loads with no connection to a centralized computer or ...

Technology / Energy & Green Tech

created Feb 27, 2012 | popularity 4.8 / 5 (4) | comments 2 | with audio podcast

Anonymous says power grid not a target

Hacker group Anonymous strongly rejected suggestions on Tuesday that followers could cause a power outage by staging a cyberattack on an electricity grid.

Technology / Internet

created Feb 21, 2012 | popularity not rated yet | comments 1

Advanced power-grid model finds low-cost, low-carbon future in West

(PhysOrg.com) -- The least expensive way for the Western U.S. to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other ...

Technology / Energy & Green Tech

created Feb 10, 2012 | popularity 4.4 / 5 (10) | comments 24 | with audio podcast

Giving the electricity network more grunt

A new Queensland University of Technology (QUT) research project aims to overcome one of Australia's main hurdles to the increased use of wind and solar energy.

Technology / Energy & Green Tech

created Jan 13, 2012 | popularity not rated yet | comments 0

With changes, the grid can take it

Over the next two decades, the U.S. electric grid will face unprecedented technological challenges stemming from the growth of distributed and intermittent new energy sources such as solar and wind power, ...

Technology / Energy & Green Tech

created Dec 05, 2011 | popularity 4.5 / 5 (2) | comments 2 | with audio podcast