ArcVera Renewables investigates causes of a significant drop in Indian wind resource and wind farm production


ArcVera Renewables, a leading 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 analyze 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 Q2-Q3 2020 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'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 utilization 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 to 60-year analysis. ArcVera also conducted an operational backcast energy assessment of the wind farms using monthly production data.

An operational backcast energy assessment estimates the long-term net energy production of an existing wind farm by examining its monthly energy production against several independent long-term wind speed datasets which are representative of the flow conditions at or near the project site.  These datasets can be used to discern whether wind speeds have been above or below average during the operational period of record.  The results of the operational backcast energy assessments can be used to determine expected monthly energy production for future years.



Blue Pearl Energy launches an innovative European platform for B2B energy services, backed by DWS

Blue Pearl Energy has announced the launch of its innovative European energy services platform, dedicated to offering comprehensive energy efficiency solutions for public, commercial and industrial buildings. Designed to provide an alternative to large energy companies, Blue Pearl Energy has developed an original business model, whose aim is to create a powerful European network of SMEs specialising in various fields of energy services for private and public sector clients. Supported by global infrastructure investment manager DWS on behalf of one of its funds, the platform has a €600 million investment programme earmarked for the acquisition of some twenty SMEs over a five-year period, with three companies already acquired as of the 2nd quarter of 2020.

Blue Pearl Energy's investment programme enjoys the financial backing of DWS' institutional pan-European infrastructure fund, the third in the series. This solid financial footing will enable the platform to acquire SMEs specialising in one or several aspects of B2B energy services throughout France, Germany, Spain, Belgium, and Central Europe. It will also enable Blue Pearl Energy's clients to finance their own energy efficiency-related investments.
The Blue Pearl Energy platform aims to bring together SMEs with complementary expertise and services, in order to offer comprehensive energy efficiency solutions for buildings and industrial sites, primarily in the fields of electrical engineering, HVAC engineering, onsite renewable energy generation, cogeneration and energy management.
The company's ambition is to be recognized as a reliable alternative supplier of energy services, independent of large energy service providers, and capable of delivering comprehensive value-added solutions covering a wide range of geographies, technologies and clients. 

Supporting SMEs to succeed in the new energy efficiency market

The range of service providers offering energy solutions for buildings and facilities is characterized by a clear divide between large industrial groups and SMEs. In a market with such strong growth potential, this creates a vacuum for medium-sized newcomers that Blue Pearl Energy is ideally positioned to fill.

Eric de Seguins Pazzis, co-founder and CEO of Blue Pearl Energy, explains: "there is a strong market opportunity for an initiative like ours: firstly, because the European market for energy services is showing strong growth, boosted by the urgent drive towards energy transition. This drive is now at the heart of Europe's post-Covid stimulus plans. Secondly, because the sector is currently split between large multinationals on the one hand, and on the other hand independent SMEs who struggle to offer comprehensive solutions, preventing them from accessing certain customer segments and large-scale contracts. This creates a space for a medium-sized operator offering a hybrid model, capable of meeting the needs of clients who have so far been insufficiently met by the existing ecosystem."

A credible alternative to the largest energy services suppliers

Blue Pearl Energy aims to tap into the potential for complementarity across the companies in its network, building up synergies in order to offer more comprehensive solutions for its clients. This hybrid model combines the best of both worlds: on the one hand, that of  large groups, by providing a central platform to drive forward the strategic vision of the entire network, as well as support its commercial development by deploying new services and widening its client base. On the other hand, that of the SMEs who will join the platform, operating with a deep-rooted entrepreneurial culture and whose values are defined by proximity, agility and a resolute sense of customer service.

This innovative concept has already won over three fast-growing SMEs operating in France and in Belgium: Alcad, Coretec Energy and Cogengreen. These acquisitions were finalised in the second quarter of 2020, while advanced discussions are currently underway with several other SMEs eager to subscribe to Blue Pearl Energy's value proposition.

"The accelerated energy transition of the European economy is creating new needs for businesses and the public sector. This new dynamic requires small energy services companies to provide more comprehensive solutions by gathering a broader range of complementary expertise in one place. Blue Pearl Energy provides an innovative solution to this new challenge and adopts a clear course of action and ambition: activating synergies between high-potential SMEs while preserving their operational autonomy, agility and business culture. Thanks to Blue Pearl Energy, the SMEs who join the platform will benefit from enhanced capacities for European deployment, while retaining their business independence, their benchmark position in their respective markets, and their organizations," concludes Eric de Seguins Pazzis.


Go ahead for Greek giant as Istos launches wind measurement campaign with Lidar


ZX Lidars technology makes the challenging terrain of western Greece no obstacle to a comprehensive and accurate wind measurement campaign.

 A new wind measurement campaign is underway in western Greece as part of a major renewable energy power project.

Istos Renewables Ltd. is performing the wind measurement programme using a ZX 300 Lidar together with just a 30-metre-high wind data reference masts.

Recording wind data across the full turbine rotor and beyond top tip height of even the largest wind turbines, the ZX 300 Lidar eliminates the need for a full scale conventional meteorological mast approach.

The combination of a roaming Lidar with only a very short met mast as a fixed, long-term, secondary reference, this bankable methodology cuts cost, reduces the need for working at height and makes establishing the wind profile across the whole site far less time consuming.

With a low visual impact, the low height approach to measurement equipment helps to curb potentially significant business risks while simultaneously reducing project uncertainty. The flexibility afforded by a mobile Lidar unit also gives developers an opportunity to fully explore the wind potential of a site.

Recording at four locations, the latest measurement campaign from Istos is to form a key part of the development of an approximately 160 MW wind power installation that is planned for the location.

Data obtained during the analysis period will support the optimisation of the project both in terms of the final layout and the selection of the ideal wind turbine model, including the rotor diameter and its rated generation capacity.

In addition, while the complex and rocky terrain found in this part of Greece and mountainous regions elsewhere can be challenging for wind measurement, the advanced data capture from a 50Hz Continuous Wave scanning Lidar such as ZX 300 ensures a high degree of accuracy is possible even in the most difficult scenarios.

Petros Theodoropoulos, General Director & Technical Manager of Istos Renewables Ltd, explains: "Our customers are delighted that we are able to offer such a comprehensive wind measurement service from just a handful of locations using the ZX 300 together with a short reference mast. It makes securing the necessary data safer, cheaper and quicker. We look forward to undertaking many more campaigns like this in the coming months and years."

Operating right across Greece and the eastern Mediterranean, Istos has installed more than 280 wind masts to date and has undertaken projects also in Africa and West Asia. More than a decade ago Istos adopted the latest Lidar technology and became a Trusted Service Provider for ZX Lidars across the region.




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