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Task 46


At the conclusion of Task 36 three major objectives were met:

  1. 1st order and 2nd order methods for benchmarking of solar resource products with quality data sets were established;
  2. a prototype design of a web portal for accessing both public and private data sets was developed following basic protocols of the Global Earth Observational System of Systems (GEOSS), and
  3. improved methods for developing data sets, including short-term and long term solar resource forecasting techniques, were developed.

At the conclusion of the Task the participants recognized that all sectors of the solar industry are growing at a significant rate, therefore creating new, stringent data requirements that were not adequately addressed under Task 36. These requirements include ways to characterize the variability of the resource under very short time scales (10-minute or less), the ability to assess the “bankability” of data sets so that financial institutions understand the risks involved in using the data to predict project cash flows, a continuation of the benchmarking of solar resource forecasting methods so that system operators have the appropriate tools for operating utility systems with large penetrations of solar technologies, and advanced methods to estimate solar resources from modern weather satellite imagery, taking into consideration 3- dimensional cloud characteristics and other physical phenomenon. This new Task will address four basic objectives in improving our understanding of solar resources: 1) evaluation of solar resource variability that impacts large penetrations of solar technologies; 2) standardization and integrating procedures for data bankability; 3) improving procedures for short-term solar resource forecasting, and 4) advanced solar resource modeling procedures based on physical principles.


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International Energy Agency Solar Heating and Cooling Programme