Letter: Calif. needs to reconsider its electric avenues

Re: ‘California pushes to “bottle sunlight” in energy storage’ (Metro, Aug. 13)

California Gov. Jerry Brown wants to store solar and wind energy for the days when the wind does not blow and the sun does not shine. “Bottle the sunshine,” he calls it.

Unfortunately he does not understand basic electricity. Only alternating current can travel on high tension lines, but only direct current can be stored in batteries, and most electronic devices such as radios, televisions and computers require AC.

Of course it is possible to convert AC to DC and DC to AC, but with each conversion there is power loss of about 30 percent. That is like paying for 10 gallons of gas and getting only six. Sorry, Jerry. It just does not compute.

Sean O’Rourke, via email



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Comments

1

  1. Although Mr. O’Rourke is correct regarding conversion losses in going from AC to DC and vice versa, his statement “… and most electronic devices such as radios, televisions and computers require AC.” seems a bit outdated. Of course, those devices that are stationary would require to be plugged in and would require AC. However, as we are becoming a more mobile world and more radio, TV and computing is being done while on the go; those devices will require a storage device that will provide DC.