Category Archives: Seasonal

Wind and Solar diurnal and seasonal variations require energy storage

Preface. Solar power can’t possibly provide power year-round, it varies far too much (Smil, V. 2017. Power Density. MIT): “Differences in monthly insolation averages depend on latitude and cloudiness: in Oslo the difference between January and June is 16-fold; in … Continue reading

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Wind’s dirty secret: it goes on vacation in the summer and year-round in the South East

  Figure 1. Summer wind across the USA is barely to not economically viable Class 3 (light blue), or not at all economically viable Class 2 (orange) and class 1 (blank) (NREL), with very limited darker blue (class 4) and … Continue reading

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