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Wind turbines can compensate less windy conditions on coldest days

An analysis conducted in Great Britain concluded that even if winter days are usually less windy, wind turbines might work harder on the coldest days, compensating high power demand.

A new study conducted by scientists from the Met Office Hadley Centre, Imperial College London and the University of Reading have concluded that on the coldest days, wind turbines often produce more power than the average chilly winter days.
This in an important finding since winter in Great Britain are often less windy than warmer periods, but electricity demands tend to be at its peak due to the increase use of the heater. Summarizing, wind turbine produces less energy when the demand is higher.
However, the study concludes that during the highest five percent of energy demand days, one third of the wind turbines had above-average wind power, because these days have strong easterly wind.
Professor Sir Brian Hoskins declared “A wind power system that is distributed around Great Britain is less influenced by low generation on cold, still winter days: low wind in one region tends to be compensated by wind elsewhere. The average drop in generation is only about a third, and is generally smaller than this on the really cold days.”
A spread of turbines around Great Britain is a suggestion to use the most of the varied wind patterns associated with the coldest days, benefiting the most of power supply during high demand conditions.
The study also concluded that offshore wind power provides more stable supply when comparing to onshore, as offshore wind turbines are sustained at higher levels.
To develop a wind offshore project, thorough knowledge of metocean conditions are necessary to reduce costs and improve efficiency. With that in mind, Open Ocean has conceived and developed Metocean Analytics, online tool providing metocean studies based on historical waves, currents, wind and ocean temperature datasets covering the whole globe.

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Source: IOPscience