IPP enlists ArcVera Renewables to investigate drop in Indian wind farm production
Published by Sarah Smith,
Assistant Editor
Energy Global,
ArcVera Renewables, an international provider of consulting and technical services for wind, solar and energy storage projects, was enlisted by a major Indian Independent Power Producer (IPP) to analyse wind resource variation cause and effect after an unexpected drop in wind farm energy production in the country. Although variable year-to-year, wind power production in India in 2020 – 3Q20 has been significantly lower than the long-term average production expectations. Based on an analysis of climate records from reanalysis datasets and surface wind observation sites, this event was rare.
ArcVera Renewables is investigated the unexpected drop in wind farm energy production in India. Image courtesy of Peter Franken.
ArcVera’s experts applied advanced atmospheric science methods to explain the interannual variability anomalies of the wind energy resource in India. Annual wind farm performance expectations depend on the long-term accuracy of wind energy resource assessment. Each year, a wind farms’ performance is typically evaluated by its owner and operator stakeholders to make sure that the variations in the production of the wind farm are explained by variations of the actual wind resource. Lower wind resources can result in significant revenue reduction, testing owners’ and investors’ nerves and their seeking of answers to what can be expected for future performance.
“Based on a review of meteorological weather records, the low wind speeds were caused by a combination of regional and global meteorological factors that seldom occur simultaneously, including a persistent high-pressure pattern over northern India and Tibet; and a unique warm sea surface event over the northern Indian Ocean.”, explains C.R. Anbalagan, “The proper utilisation of advanced atmospheric science knowledge is critical to understand wind farm past and future performance. ArcVera has a long history of providing the wind industry with its weather forecast acumen and wind energy resource assessment expertise to evaluate and predict future, long-term performance.”, he continued.
Wind resource variation cause and effect analysis
ArcVera Renewables deployed its proven methodology using wind farms’ past energy production and other data to assess wind farm performance. Its technical experts gathered relevant, recent, and climatological historical (30 - 60 year monthly) data for the region or regions of interest, including El Niño/ La Niña and other climate indices. They then compared frequency-of-return statistics for recent periods of low winds and prepared a report describing the results and including discussion of the recent event and return-time based on 30 - 60-year analysis. ArcVera also conducted an operational backcast energy assessment of the wind farms using monthly production data.
Read the article online at: https://www.energyglobal.com/wind/23112020/ipp-enlists-arcvera-renewables-to-investigate-drop-in-indian-wind-farm-production/
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