Draft Wind Techno-economic Exclusions for 2026-2027 IRP

The wind techno-economic exclusion layer has been updated for proposed use in the current 2026-2027 IRP cycle. The previous version was developed in 2023. Two changes are reflected in this current draft update: Low wind resource quality is defined by wind speeds less than 6.5 m/s according to Global Wind Atlas 100-meter hub height data. This screen replaces the previous wind quality screen of capacity factor greater than 20% based on work by Lopez et al. (2012).1 Existing project footprints are no longer reflected in this layer, but are instead incorporated into the base exclusions. More information is found in the CEC and CPUC presentations from the August 19 webinar, as well as the 2023 Land Use Screens Staff Report in the CEC Energy Planning Library. 1. Lopez, A. et. al. “U.S. Renewable Energy Technical Potentials: A GIS-Based Analysis,” 2012. https://www.nrel.gov/docs/fy12osti/51946.pdf本风电技术经济排除图层（wind techno-economic exclusion layer）已完成更新，拟应用于2026-2027年度现行综合资源规划（Integrated Resource Plan, IRP）周期。此前版本编制于2023年。本次草案更新包含两项调整：其一，依据全球风能图集（Global Wind Atlas）的100米轮毂高度数据，将低风能资源品质定义为风速低于6.5 m/s；该筛选标准替代了此前基于Lopez等人（2012）的研究成果提出的、以容量因子大于20%作为风电品质筛选阈值的规则。其二，现有项目占地范围不再单独纳入本图层，而是整合至基础排除项中。更多详细信息可参阅加州能源委员会（California Energy Commission, CEC）与加州公用事业委员会（California Public Utilities Commission, CPUC）在8月19日举办的网络研讨会中的演示文稿，以及加州能源委员会能源规划库中的《2023年土地使用筛选标准员工报告》。1. Lopez, A. 等.《美国可再生能源技术潜力：基于GIS的分析》，2012. https://www.nrel.gov/docs/fy12osti/51946.pdf