Dr. Eric J. Fielding, PhD@Gorfram @bascule Yes, solar energy systems only produce electricity during the day, and even when the Sun is above the horizon, the amount of solar energy drops away from the middle of the day and away from the summer when the Sun is highest. The high peak of solar power in the middle of the day is a problem now in California, especially in April when the Sun is strong but few are using air conditioning. They have to temporarily disconnect some solar panels then.
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