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Hans De Keulenaer

High renewables penetration means eye-watering costs and massive overbuilding... - 0 views

seekerblog.com/...costs-and-massive-overbuilding

renewables intermittency variability smart grid networks

shared by Hans De Keulenaer on 05 Feb 12 - No Cached
  • As I see it, to prove that, it would be necessary to have sensors at all locations (or at least a large number of locations) where it would be reasonably possible to have wind and solar power installations. The data would have to be transmitted, in real-time, to a central location where it would be continuously analyzed to see how much power would be available reliably with no interruptions. So far as I know, that has never been done.
  • Hans De Keulenaer on 05 Feb 12
     
    Interesting idea to simulate the integration of load with renewable generation.
Energy Net

Smart grid and renewables interconnection (Part 4 of 5) - 0 views

theenergycollective.com/...36081

smart smart grid renewables networks

shared by Energy Net on 09 Mar 09 - Cached
  • Energy Net on 09 Mar 09
     
    One of the reasons why smart grid is generating so much interest right now is its ability to enable the integration of renewable energy into the electric power network, leading to a broader generation portfolio and potentially beneficial carbon implications. Lots of the discussion of smart grid in policy and media (including places like Greentech Media, Cleantech, EcoGeek, GreenMonk, and the New York Times blogs Dot Earth and Green Inc.) has emphasized the potential economic and environmental value from having investments in the electric power network that make the accommodation of renewables easier, reducing transaction costs and shifting the margin at which investing in renewables is profitable.
Hans De Keulenaer

Europe's onshore and offshore wind energy potential - EEA - 0 views

www.eea.europa.eu/...offshore-wind-energy-potential

wind potential europe integration networks

shared by Hans De Keulenaer on 15 Aug 09 - Cached
  • This report provides a Europe-wide resource assessment of onshore and offshore wind potential in a geographically explicit manner. In addition to calculating raw wind resource potential, this study also introduces and quantitatively analyses the environmental and social constraints on wind sector development. Concerns addressed include the noise and visual impact of wind power, as well as the deaths of birds and bats that fly into rotor blades. The report also evaluates the future costs of wind energy production across Europe in order to gauge the potential output at competitive rates.
Colin Bennett

Innovation Needed on Energy Storage, Grid - 2 views

www.watthead.org/...novation-needed-on-energy.html

storage innovation networks

shared by Colin Bennett on 18 Nov 10 - No Cached
  • Establishing national policies to spur the deployment and adoption of renewable electricity sources, such as wind and solar power, are important, but the scientists warn that research and innovation must also proceed in parallel on better energy storage technologies, new strategies for integrating the varying and intermittent output of these energy sources, and improved technologies for the long-distance transmission of renewable electricity.
Hans De Keulenaer

Kenya to build Africa's biggest windfarm as rains fail and hydropower falters | Environ... - 0 views

www.guardian.co.uk/...kenya-wind-farm

wind kenya africa integration renewables

shared by Hans De Keulenaer on 30 Jul 09 - Cached
  • Some 365 giant wind turbines are to be installed in desert around Lake Turkana in northern Kenya – used as a backdrop for the film The Constant Gardener – creating the biggest windfarm on the continent. When complete in 2012, the £533m project will have a capacity of 300MW, a quarter of Kenya's current installed power and one of the highest proportions of wind energy to be fed in a national grid anywhere in the world. 
Hans De Keulenaer

Wind Power Need Not Be Backed Up By An Equal Amount Of Reserve Power - 0 views

www.sciencedaily.com/...071207000819.htm

electricity iea wind networks future

shared by Hans De Keulenaer on 07 Dec 07 - Cached
  • The production of wind power varies and is harder to forecast than the fluctuations in electricity demand.
  • The results indicate that the frequently stated claim of wind power requiring an equal amount of reserve power for back-up is not correct. A substantial adjustment tolerance is already built in to our power network, and the impacts of wind power fluctuations can be further balanced through a variety of measures.
  • The impact of a large share of wind power can be controlled by appropriate grid connection requirements, extension and enforcement of transmission networks as well as integration of wind power production and production forecasts into system and market operation. The state-of-the-art report presents the assessments of the impact of wind power on the reliability and costs of the power system conducted in different countries.
Hans De Keulenaer

IGCC's Future Hinges on Workable Carbon Framework - 0 views

www.renewableenergyaccess.com/...B4E32D207DEC3D02484CA8201A84A0

carbon combined cycle costs electricity emissions gas igcc technology

shared by Hans De Keulenaer on 20 Dec 07 - Cached
  • One of the leading alternatives for producing clean power from coal -- Integrated Combined Cycle Gasification (IGCC) technology faces a precarious future due to rising capital costs and regulatory uncertainty. A process of gasifying coal that allows capture of carbon dioxide emissions, IGCC has tremendous potential for meeting future baseload generation demand but project momentum has slowed dramatically in 2007, according to a new study from Emerging Energy Research (EER). Despite delays or cancellations of several prominent IGCC projects in 2007, 48 projects with a combined capacity of over 25,000 MW remain in the global IGCC pipeline, according to EER.
Hans De Keulenaer

Storage Boosts the Power of Renewable Energy - 0 views

www.renewableenergyworld.com/...story

electricity integration large-scale renewables storage usa network

shared by Hans De Keulenaer on 10 Jun 08 - Cached
  • "Grid-scale storage is here now. Storage should be deployed now at the gigawatt (GW) scale...where capacity, ancillary services and energy time-shifting are clearly needed."
Hans De Keulenaer

Solar Planes, Trains and Automobiles | celsias° - 0 views

www.celsias.com/...-planes-trains-and-automobiles

batteries transport renewables

shared by Hans De Keulenaer on 27 Aug 08 - Cached
  • And that's not all. We reported recently on this site on the solar powered car making its way around the world. We also covered the concept of solar roads to capture usable energy. We even reported on a sail boat powered with a solar sail. Now the BBC reports   that the U.S. military has held a test run in Arizona of a UK-made solar plane, the Zephyr-6. The plane flew for more than three days, running at night on solar charged batteries. The more than 83 hour non-stop flight was the longest of any unmanned aircraft.
  • Hans De Keulenaer on 27 Aug 08
     
    Does it make sense to solar power everything? It leads to many small, and relatively expensive installations. Wouldn't it be more effective to go for a battery & plug-in concept where possible. One would loose the inflight recharging of the solar airplane, but for everything else, the plug-in concept probably provides benefits.
  • Hans De Keulenaer on 27 Aug 08
     
    In addition, the lifetime of cars, for example, is much lower than the one for solar panels. Why integrate both?
  • Peter Fleming on 28 Aug 08
     
    Yes, I agree that there is too much emphasis on the novel in attempt to solve climate change. Creating technology for the designer label market to sell goods to the rich who want to tell their friends they are green. The same investment in a solid developed renewable method could yield a hundred times the reduction of carbon or more...
Colin Bennett

Clean Energy as Stimulus - New York Times - 0 views

www.nytimes.com/...l21krugman.html

shared by Colin Bennett on 21 Jan 08 - Cached
  • Candidates looking for an integrated economic stimulus package: look no further! Clean energy and green technologies are the wave of the future.
Colin Bennett

EERE News: First Large Building-Integrated Wind Turbines Spin in Bahrain - 0 views

www.eere.energy.gov/...news_id=11712

wind

shared by Colin Bennett on 16 Apr 08 - Cached
  • Colin Bennett on 16 Apr 08
     
    Three 225-kilowatt wind turbines mounted on the newly built Bahrain World Trade Center spun in unison for the first time on April 8.
Phil Slade

Isle of Eigg - Eigg Electric - 1 views

www.isleofeigg.net/...eigg_electric.htm

renewables wind hydropower

shared by Phil Slade on 10 Jul 10 - Cached
  • Phil Slade on 10 Jul 10
     
    "On 1st February 2008, the Isle of Eigg entered a new era, with the switching on of our island electrification project, which makes 24 hour power available for the first time to all residents and businesses on the island. Until then we were entirely dependent upon making our own power and the clattering of generators was always to be heard. Now, the generators are silent and suddenly we have leapt to the forefront of electricity generation using renewable energy resources. Our project is a world leader in the integration of multiple renewable energy sources into a grid system to supply an isolated and scattered small community. "
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