Entries in weather (1)

Thursday
Dec152016

One factor rises above the rest when accurately predicting future energy use: the weather

How the ISO uses weather forecasts in formulating electric demand estimates

Earlier this summer, on July 7, 2016, a cold front moved into New England from the north, leading to unexpectedly cooler temperatures across the region. Boston hovered in the mid-60s for most of the day. An unanticipated thunderstorm in Hartford  caused a quick and dramatic drop in temperatures. The cool weather lasted through July 8.

For most living in the area, the sudden shift in weather was not much more than a reason to grab an umbrella or jacket. But inside the ISO New England control room, the unforeseen change in weather represented a major challenge because it caused a rapid and significant drop in consumer electric demand.

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