Tag Archives: seasonal

Geothermal power is seasonal: more power in winter than summer

Eventually fossil fuels will decline to the point that renewables will have to replace them, and the electric grid become 100% renewable.  One of the factors that will make this difficult is that 50 to 90% will need to come … Continue reading

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CSP with thermal energy storage is seasonal, so it can not balance variable power or contribute much power for half the year

Concentrated Solar Power not only needs lots of sunshine, but no humidity, clouds, dust, smog or or anything else that can scatter the sun’s rays.  Above 35 degrees latitude north or south, the sun’s rays have to pass through too … 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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