ArcVera Renewables Reach 100% Mean Accuracy
ArcVera Renewables’ Study Proves Its Wind Energy Resource Assessments Reach 100% Mean Accuracy
ArcVera Renewables found in an in-depth study across 3.5GW of projects that its specialist wind energy resource assessment techniques have effectively led to 100% energy yield prediction accuracy, considerably reducing wind project financing risks.
Golden, Colorado, July 24th 2019 – ArcVera Renewables, a leading provider of consulting and technical services for wind and solar projects with more than 30 years of experience, has developed and published earlier this year an ambitious benchmark report that aimed to deliver a thorough analysis of the performance of its wind energy resource assessment (WERA) practice across a broad range of operating wind projects.
Based on a dataset composed of 31 projects it worked on in the United States, combining 3.5GW of installed capacity and 212 years of operation, the report provides a detailed comparison between the pre-construction assessments using ArcVera’s advanced WERA practices and the actual post-construction energy production data.
The results of the study show that ArcVera’s wind assessment techniques are accurate to within about 1% on average of reported project P50 energy production, which becomes near zero mean bias after accounting for grid curtailment. In addition, the benchmark study indicated that ArcVera’s wind assessments have lower individual project performance variation than in the past. With an average project performance bias close to zero, ArcVera’s advanced methodology yields an average project performance of 98.8% for the 31 projects. Given that estimates of grid curtailment losses, typically at 1 to 1.5%, are not corrected for in most benchmark assessments, ArcVera’s overall project performance is effectively 100% in terms of accuracy.
Even more impressively, the results show that the risk of building a wind farm that significantly over- or under-performs is limited by applying ArcVera’s techniques, with an industry-leading 4.7% standard deviation of project performance. No firm is currently assessing wind farms with the accuracy achieved by ArcVera.
“For over thirty years, ArcVera Renewables has provided finance-grade consulting and technical services for wind and solar energy clients worldwide, including the very first bankable WERA delivered in 1989 in California. Our track record is second to none, and we wanted to make public the data that supports that claim. We have consistently delivered accurate and bankable insights backed by advanced technical expertise and decades of global experience. That kind of highly specialized services is what you need to make sure that confident project development decisions are taken, maximum technically-driven advantage is secured, and performance risk is minimized,” commented John Bosche, President and Principal Engineer at ArcVera Renewables.
ArcVera Renewables is a recognised pioneer of WERA practices, which evaluated more than 60% of the installed wind capacity in the US. The Colorado-based company worked on the very first wind farm in eighteen US states, as well as Puerto-Rico, Guatemala, Nicaragua, and, shortly, El Salvador.
To improve the accuracy of its energy yield estimates, ArcVera Renewables since 2012 has utilized high resolution mesoscale wind flow modeling in its Wind Energy Resource Assessment (WERA) methodology. Pictured is a hub-height wind speed map created using a full physics, 200-m resolution mesoscale model run, down-scaled to 30-m resolution terrain. The range of wind speeds shown in the image is 4-8 m/s.
About ArcVera Renewables
ArcVera Renewables has provided finance-grade consulting and technical services for wind and solar energy clients worldwide for over three decades. Formed in March 2017 through the merger of V-Bar and Chinook Wind, ArcVera Renewables is dedicated to delivering next generation innovation in wind and solar energy to meet the needs of landowners, project developers and sponsors, investors, and project owners and operators globally. We provide technically sound and accuracy-driven technical services, including prospecting and resource assessment, independent engineering (technical and financial), plant optimization and operations.
Jonathan Collings | Alesia Communications
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