Category Archives: Distributed Generation

How the grid works, why a distributed grid won’t work

Preface. This is a book review of Angwin’s 2020 “Shorting the Grid. The Hidden Fragility of Our Electric Grid”. It is a good primer on how the grid works, especially why Volt-Ampere Reactives (VARs) are important and why renewables don’t … Continue reading

Posted in Blackouts, Blackouts Electric Grid, Distributed Generation, Electric Grid & Fast Collapse, Electricity Infrastructure, Energy Books, Grid instability | Tagged , , , , , | Comments Off on How the grid works, why a distributed grid won’t work

The Next Big Thing: Distributed Generation & Microgrids

  Preface. Last updated 2022-9-5   The first article below explains what microgrids will look like in the future.  But first a brief look at what a microgrid is, as Angwin explains in her book  “Shorting the Grid. The Hidden Fragility … Continue reading

Posted in Alternative Energy, Blackouts Electric Grid, Distributed Generation, Electric Grid & Fast Collapse, Grid instability, Photovoltaic Solar, Wind | Tagged , , , , | 1 Comment

Can the lights be kept on with distributed generation? 2015 U.S. House hearing on a reliable electric system

Preface.  Corporate speakers testify mainly, rather than less biased researchers from universities or national laboratories. Corporations are selling a product, and likely to exaggerate what their product can do. The most interesting testimony is from Dean Kamen, who is “selling” … Continue reading

Posted in Congressional Record U.S., Distributed Generation, Grid instability | Tagged , , | Comments Off on Can the lights be kept on with distributed generation? 2015 U.S. House hearing on a reliable electric system

Short-circuiting a solar boom in Japan

Spain is still feeling the painful effects of the costs of overbuilt solar PV, and now Japan is finding itself in the same position.  This article does a lousy job of explaining that the grid must be in exact supply … Continue reading

Posted in Distributed Generation, Grid instability, Photovoltaic Solar, Renewable Integration | Comments Off on Short-circuiting a solar boom in Japan

German wind and solar integration

Schiermeier, Q. April 10, 2013. Renewable power: Germany’s energy gamble. An ambitious plan to slash greenhouse-gas emissions must clear some high technical and economic hurdles. Nature 496: 156–158 The rapid rise in wind and solar power has created a nightmare … Continue reading

Posted in Blackouts Electric Grid, Distributed Generation, Renewable Integration | Tagged , , | Comments Off on German wind and solar integration

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

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