Climate Letter #329

Posted on February 3, 2015 by Carl Campbell
Electric grid economics in the U.S. Prices keep going up, but not sales. “Retail sales to homes and businesses still are less than they were in 2007, before the recession.” Conservation is an important factor. A shift to off-grid energy sources is another. Utility management is mostly inflexible. The whole process is being called a “death spiral” for the traditional form of grid.

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Here is what is happening with solar energy capacity growth in the U.S. In this case total installation costs have been declining rapidly, with much more of the same expected.
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An important election in Australia. This took place in Queensland state last week. The new government will be more friendly to environmental interests of all kinds, and is especially not favorable to coal development. The results are likely to be reflected at some point in a softening of hardball federal policies. Nor is this good news for U.S. Republican congressmen who are too far to the right on climate issues. (Don’t miss the photo at the end of the story.)
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New data showing where the heat is going. Improvements in the way deep ocean water temperatures are collected are helping to clarify the picture of how the planet is warming. That in turn sheds more light on why air temperatures in the lower atmosphere are subject to so much uneven behavior. Heat is easily stored in water, and the deeper the better; storage in air is much more fragile.
This story is generally one of highest importance for anyone trying to understand how the entire climate system works. The NY Times also provides good coverage, including links to several other worthwhile sources if you want to explore the matter more fully:
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Interesting news about the magnitude of wind power in the UK. For reference, note that 12 GW of power capacity is enough to supply the needs of nearly seven million British homes. In other places, like India for example, that much capacity could handle far more homes. India is gunning for 100 GW in solar capacity by 2022.
Carl

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