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reports - Deliverable

Methodology and Optimization of Calculation Codes for Creating the Anemological Database and Maintenance of Existing Atlases

reports - Deliverable

Methodology and Optimization of Calculation Codes for Creating the Anemological Database and Maintenance of Existing Atlases

This report describes the tests conducted to achieve the optimal configuration of the Weather Research and Forecasting (WRF) meteorological model, to be used in collaboration with the National Center for Atmospheric Research (NCAR) in Boulder, Colorado, for the creation of the anemological database that will constitute the new Italian Wind Atlas. It also outlines the enhancement and maintenance operations for the SunRiSE webgis portal.

Following the positive outcome of the feasibility study conducted in 2020 regarding the creation of the anemological database, which will constitute the new Italian Wind Atlas, necessary actions have been taken to begin collaboration with the National Center for Atmospheric Research (NCAR) in Boulder, Colorado. The database will cover the period from 1990 to 2019 with a spatial resolution of approximately 1 km and an hourly temporal resolution across the entire national territory, including marine areas. The goal of this activity is to create an updated wind atlas based on the latest modeling and statistical technologies to describe as realistically as possible the wind conditions that have characterized Italy over the past 30 years, in order to support operators in planning future wind generation in line with the ambitious targets set for 2030 by the National Integrated Energy and Climate Plan (PNIEC).

By leveraging the computing resources and additional technical-scientific expertise of a research center of excellence in atmospheric modeling, it will be possible to complete the new database in relatively short timeframes. This will be achieved through an innovative approach that combines meteorological modeling, typically used for such activities, with the statistical postprocessing technique Analog Ensemble, aimed at extending modeling data over a limited time period. Tests have been conducted to reach the optimal modeling configuration for the creation of the new database, and the first modeling simulations have been launched.

Regarding solar sources, operations have continued to update and enhance the sunRiSE portal to speed up its consultation. The software code has also been modified to allow users to request and download historical irradiance data.

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