Tag Archives: electric

Electrify ships with batteries?

Posted on December 17, 2020 by

Preface. You’d need 100,000 metric tons of batteries taking 40% of cargo space to go from Asia to Europe in 31 days on an 18,000 TEU container ship, and it is hard to imagine how or how long it would … Continue reading →

Posted in Ships and Barges, Transportation What To Do | Tagged , , , , , | 6 Comments

Hydropower has a very low energy density

Posted on March 17, 2015 by

To store the energy contained in 1 gallon of gasoline requires over 55,000 gallons to be pumped up 726 feet (CCST 2012). As a thought experiment look at what it would take generate all of America’s 4,058 TWh electricity, where … Continue reading →

Posted in Energy Storage, Hydropower, Pumped Hydro Storage (PHS) | Tagged , , , , | 1 Comment

Extreme Events. CEC 2011. Variable distributed generation from solar and wind increase the chance of large blackouts

Posted on January 16, 2015 by

Morgan, M., et al.   (Pacific Northwest National Laboratory, University of Wisconsin-Madison, Electric Power Research Institute, BACV Solutions, Southern Company, CIEE, University of Alaska – Fairbanks, and KEMA). 2011. Extreme Events. California Energy Commission. Publication number: CEC-500- 2013-031. Figure 18: BLACKOUT … Continue reading →

Posted in Distributed Generation, Grid instability | Tagged , , , , , , , , , , , , , , | Comments Off on Extreme Events. CEC 2011. Variable distributed generation from solar and wind increase the chance of large blackouts