All posts tagged: Batteries


Earth to Gates: we are good to go

Billionaire Bill Gates claimed this summer that breakthroughs are needed for the energy transition and that funding should be diverted from current technologies towards R&D. Craig Morris wonders what would have become of Microsoft if we had waited for Ultrabooks before buying computers.

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How batteries can stabilize the grid

With Tesla’s announcement of battery storage systems for households, storage for photovoltaics has become a major news item. Furthermore, one of the main questions about the energy transition is how the grid will be stabilized without central power plants. Craig Morris visited German battery firm Younicos and got an answer to this question.

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Grid defection and why we don’t want it

The Rocky Mountain Institute (RMI) recently deepened its investigation into retail and commercial power customers using solar and battery storage instead of the grid. Craig Morris says the study is especially useful because it shows utilities that fighting the trend will only make things worse.

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An Alaskan island goes 100% renewable

Kodiak Island in Alaska has traditionally had a lot of hydropower but needed to cover the rest of its demand with expensive and dirty diesel. Now, with the help of wind power and the introduction of different smart-grid measures, the island receives 100% clean energy: Power prices have gone down and the local economy has been revigorated. Laurie Guevara-Stone reports from the sustainability frontier.

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“Seasonal storage not needed for now”

German renewable energy lobby organization AEE has published another meta-study, this time reviewing the wide range of scientific investigations into power storage. As Craig Morris explains, the main finding is in line with other recent publications – storing excess renewable electricity from the summer for the winter will not be necessary for a while.

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Energy Transition may proceed without electricity storage for 20 years – transport, heat and chemicals markets will drive growth

A recent study commissioned by Agora Energiewende comes to the conclusion that the German Energiewende does not need new electricity storage within the next 20 years. Instead, flexible fossil-fueled power plants and other intermediate options can deliver the needed power and grid stability at a lower price. Matthias Lang sums up the finding of the report.

 

 

 

 

 

 

 

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