Blog Archives

Renewable Energy: How Much Storage Will It Take To Get There?

It’s both important and fun to look down the road and see where the migration to renewable energy is taking us.  What will it take to get to 80% penetration of wind and solar?  How much storage is necessary?  What






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Energy Storage Is Happening in a Big Way

2GreenEnergy super-supporter Gary Tulie writes from beautiful Buckinghamshire, England (pictured):






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A Contributed Post: Five Advantages of Using Solar Battery Maintainer

We’re getting much better at harnessing the power of solar energy. Technology has advanced to the point where solar power isn’t something clunky but accessible for all sorts of users. One of the best devices you can get if you






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Coal Mines May Have Extended Utility

Frequent commenter Brian McGowan sent me this delightful little article, for those of you who, like me, thought that coal mines could serve no useful purpose in the context of 21st Century energy.    






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Battery Prices Falling Through the Floor

If you’re wondering what will push battery prices down to previously unforeseeable levels, look no further. Up until recently, sushi has had far better storage technology than electricity, but that’s clearly no longer the case.  As described in the article






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Thermal Energy Storage

Yes, we’re continuing to make great progress in all aspects of energy storage via batteries,  most importantly, in terms of cost-effectiveness.  Yet it’s hard to conceive of a time at which batteries can compete with the storage of heat energy. 






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Energy Storage: The Latest in Supercapacitors

When modern-age electric vehicles first became “a thing” about 10 years ago, supercapacitors were a frequent topic of discussion, due to their value in delivering large amounts of power—far more energy per unit than batteries could provide.  As it turns






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Energy Storage Is Changing the Entire Energy/Transportation Landscape

Here’s a story about two very progressive companies dealing with 21st Century energy: Tesla and Sierra Nevada (a top-notch beer brewery).  The essence is that Tesla has installed a fairly large battery storage system, apparently to lower energy costs for






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Making Batteries from Carbon Dioxide: An Idea That Will Almost Certainly Never Come To Fruition

Here’s another example of a phenomenon so plentiful in cleantech: it’s doable, but there are no economic reasons that it will ever be done.  It’s a battery system that is built by taking carbon dioxide, perhaps from a point source






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Cool New Idea in Wind Turbines

Here’s a new idea in the quest to reduce or remove the variability of wind energy: an integrated water reservoir, making use of the huge watertight tower.  This creates a (small) pumped hydro energy storage solution without the elevation change. 






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