generated: '2026-07-27' method: derived source: live ArcGIS layer descriptors for all 15 DRPEP hosted feature services (arcgis/*-featureserver.json), fetched 2026-07-27 applies_to: SCE DRPEP ArcGIS REST Services note: 'SCE publishes no object reference, no ERD and no field dictionary. This graph was derived entirely from the field lists in the live ArcGIS layer descriptors. There are no foreign keys in the Esri sense: DRPEP layers are joined by shared natural attribute keys - above all circuit_name, substation_name and system_name - which appear verbatim across services. Relationships below are attribute joins observed by name, not declared by SCE.' grain: system_name: SCE planning system / district (coarsest) substation_name: Substation serving a set of circuits circuit_name: Distribution circuit (the primary analytical unit across ICA, GNA, DDOR, LNBA and PSPS) node_id: Node on a circuit, used with section_id to address an individual ICA circuit segment section_id: Circuit segment identifier within a circuit (ICA layers) gna_id: Grid Needs Assessment record identifier, shared between GNA and DDOR layers join_keys: - key: circuit_name appears_in: 29 entities: - AVL_LOAD_CAP_TOGGLE/0 - AVL_LOAD_CAP_TOGGLE/1 - DDOR_Layer/2 - DRP_PSPS_Layer/1 - GNA_Layer/2 - GNA_Layer/3 - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - ICA_Layer/17 - ICA_Tables/1 - ICA_Tables/3 - ICA_Tables/4 - LNBA_Layer/0 - LNBA_Layer/1 - LNBA_Layer/2 - LNBA_Layer/3 - key: substation_name appears_in: 26 entities: - AVL_LOAD_CAP_TOGGLE/0 - AVL_LOAD_CAP_TOGGLE/1 - DDOR_Layer/0 - DDOR_Layer/2 - DRP_PSPS_Layer/1 - GNA_Layer/0 - GNA_Layer/2 - GNA_Layer/5 - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - LNBA_Layer/1 - LNBA_Layer/2 - LNBA_Layer/3 - key: circuit_voltage appears_in: 26 entities: - AVL_LOAD_CAP_TOGGLE/0 - AVL_LOAD_CAP_TOGGLE/1 - Distribution_circuits/0 - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/12 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - ICA_Layer/17 - ICA_Layer/18 - ICA_Tables/3 - LNBA_Layer/0 - LNBA_Layer/1 - LNBA_Layer/2 - LNBA_Layer/3 - key: system_name appears_in: 25 entities: - AVL_LOAD_CAP_TOGGLE/0 - AVL_LOAD_CAP_TOGGLE/1 - DDOR_Layer/0 - DDOR_Layer/1 - DDOR_Layer/2 - GNA_Layer/0 - GNA_Layer/2 - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - LNBA_Layer/1 - LNBA_Layer/2 - LNBA_Layer/3 - key: substation_voltage appears_in: 20 entities: - Distribution_circuits/0 - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/12 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - ICA_Layer/16 - ICA_Layer/17 - ICA_Tables/2 - key: section_id appears_in: 18 entities: - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - LNBA_Layer/1 - LNBA_Layer/2 - LNBA_Layer/3 - key: node_id appears_in: 15 entities: - ICA_Layer/0 - ICA_Layer/1 - ICA_Layer/2 - ICA_Layer/3 - ICA_Layer/4 - ICA_Layer/5 - ICA_Layer/6 - ICA_Layer/7 - ICA_Layer/8 - ICA_Layer/9 - ICA_Layer/10 - ICA_Layer/11 - ICA_Layer/13 - ICA_Layer/14 - ICA_Layer/15 - key: year appears_in: 11 entities: - DDOR_Layer/0 - DDOR_Layer/1 - DDOR_Layer/2 - DRP_PSPS_Layer/0 - DRP_PSPS_Layer/1 - GNA_Layer/0 - GNA_Layer/1 - GNA_Layer/2 - ICA_Tables/1 - ICA_Tables/2 - ICA_Tables/4 - key: gna_id appears_in: 8 entities: - DDOR_Layer/0 - DDOR_Layer/1 - DDOR_Layer/2 - GNA_Layer/0 - GNA_Layer/1 - GNA_Layer/2 - GNA_Layer/3 - GNA_Layer/5 entities: - entity: AVL_LOAD_CAP_TOGGLE/0 name: AVL_LOAD_CAP_FULL_SUBMITTAL kind: feature layer geometry: esriGeometryPolyline field_count: 128 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/AVL_LOAD_CAP_TOGGLE/FeatureServer/0 - entity: AVL_LOAD_CAP_TOGGLE/1 name: AVL_LOAD_CAP_FULL_AND_PARTIAL_SUBMITTAL kind: feature layer geometry: esriGeometryPolyline field_count: 128 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/AVL_LOAD_CAP_TOGGLE/FeatureServer/1 - entity: AVL_LOAD_HEAT_MAP_TOGGLE/0 name: GRID_RANK_AGGR_FULL kind: feature layer geometry: esriGeometryPolygon field_count: 6 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/AVL_LOAD_HEAT_MAP_TOGGLE/FeatureServer/0 - entity: AVL_LOAD_HEAT_MAP_TOGGLE/1 name: GRID_RANK_AGGR_FULL_PARTIAL kind: feature layer geometry: esriGeometryPolygon field_count: 6 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/AVL_LOAD_HEAT_MAP_TOGGLE/FeatureServer/1 - entity: DDOR_Layer/0 name: DDOR Substations kind: feature layer geometry: esriGeometryPoint field_count: 33 object_id_field: objectid join_keys: - substation_name - system_name - gna_id - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DDOR_Layer/FeatureServer/0 - entity: DDOR_Layer/1 name: DDOR Subtransmission kind: feature layer geometry: esriGeometryPolyline field_count: 33 object_id_field: objectid join_keys: - system_name - gna_id - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DDOR_Layer/FeatureServer/1 - entity: DDOR_Layer/2 name: DDOR - Circuits kind: feature layer geometry: esriGeometryPolyline field_count: 36 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - gna_id - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DDOR_Layer/FeatureServer/2 - entity: DDOR_Layer/3 name: DDOR FGDB DATE TIME kind: table geometry: null field_count: 3 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DDOR_Layer/FeatureServer/3 - entity: DRP_PSPS_Layer/0 name: PSPS_Subtransmission kind: feature layer geometry: esriGeometryPolyline field_count: 14 object_id_field: objectid join_keys: - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DRP_PSPS_Layer/FeatureServer/0 - entity: DRP_PSPS_Layer/1 name: PSPS_Circuit kind: feature layer geometry: esriGeometryPolyline field_count: 16 object_id_field: objectid join_keys: - circuit_name - substation_name - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DRP_PSPS_Layer/FeatureServer/1 - entity: DRP_ScreenL_08202021/0 name: Sheet1 kind: table geometry: null field_count: 3 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DRP_ScreenL_08202021/FeatureServer/0 - entity: DRP_Transmission_Projects/0 name: CAISO_APPROVED_POLYGON kind: feature layer geometry: esriGeometryPolygon field_count: 16 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DRP_Transmission_Projects/FeatureServer/0 - entity: DRP_Transmission_Projects/1 name: UTILITY_APPROVED_POLYGON kind: feature layer geometry: esriGeometryPolygon field_count: 16 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DRP_Transmission_Projects/FeatureServer/1 - entity: DRP_Transmission_Projects/2 name: CPUC_APPROVED_POLYGON kind: feature layer geometry: esriGeometryPolygon field_count: 16 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/DRP_Transmission_Projects/FeatureServer/2 - entity: Distribution_circuits/0 name: Distribution Circuits kind: feature layer geometry: esriGeometryPolyline field_count: 11 object_id_field: objectid join_keys: - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/Distribution_circuits/FeatureServer/0 - entity: Firemap/0 name: Tree_Mortality___Tier_1 kind: feature layer geometry: esriGeometryPolygon field_count: 10 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/Firemap/FeatureServer/0 - entity: Firemap/1 name: CPUC_Fire_Threat_Areas____Tier_2___Elevated kind: feature layer geometry: esriGeometryPolygon field_count: 10 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/Firemap/FeatureServer/1 - entity: Firemap/2 name: CPUC_Fire_Threat_Areas____Tier_3___Extreme kind: feature layer geometry: esriGeometryPolygon field_count: 10 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/Firemap/FeatureServer/2 - entity: GNA_Layer/0 name: GNA Substations kind: feature layer geometry: esriGeometryPoint field_count: 31 object_id_field: objectid join_keys: - substation_name - system_name - gna_id - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/GNA_Layer/FeatureServer/0 - entity: GNA_Layer/1 name: GNA Subtransmission kind: feature layer geometry: esriGeometryPolyline field_count: 25 object_id_field: objectid join_keys: - gna_id - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/GNA_Layer/FeatureServer/1 - entity: GNA_Layer/2 name: GNA - Circuits kind: feature layer geometry: esriGeometryPolyline field_count: 39 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - gna_id - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/GNA_Layer/FeatureServer/2 - entity: GNA_Layer/3 name: Circuit Level Planning Assumptions kind: table geometry: null field_count: 23 object_id_field: objectid join_keys: - circuit_name - gna_id url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/GNA_Layer/FeatureServer/3 - entity: GNA_Layer/4 name: GNA FGDB DATE TIME kind: table geometry: null field_count: 3 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/GNA_Layer/FeatureServer/4 - entity: GNA_Layer/5 name: Substation Level Planning Assumptions kind: table geometry: null field_count: 20 object_id_field: objectid join_keys: - substation_name - gna_id url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/GNA_Layer/FeatureServer/5 - entity: ICA_Layer/0 name: ICA - Circuit Segments kind: feature layer geometry: esriGeometryPolyline field_count: 29 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/0 exports: - download_link - download_link_microgrid - download_link_forecast - download_link_microgrid_forecas - entity: ICA_Layer/1 name: ICA - Circuit Segments, Non-3 Phase kind: feature layer geometry: esriGeometryPolyline field_count: 16 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/1 - entity: ICA_Layer/2 name: ICA - Generation Op Flex kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/2 exports: - download_link - download_link_microgrid - entity: ICA_Layer/3 name: ICA - Generation Protection kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/3 exports: - download_link - download_link_microgrid - entity: ICA_Layer/4 name: ICA - Generation Steady State Voltage kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/4 exports: - download_link - download_link_microgrid - entity: ICA_Layer/5 name: ICA - Generation Thermal kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/5 exports: - download_link - download_link_microgrid - entity: ICA_Layer/6 name: ICA - Generation Voltage Variation kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/6 exports: - download_link - download_link_microgrid - entity: ICA_Layer/7 name: ICA - Load Steady State Voltage kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/7 - entity: ICA_Layer/8 name: ICA - Load Thermal kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/8 - entity: ICA_Layer/9 name: ICA - Load Voltage Variation kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/9 - entity: ICA_Layer/10 name: ICA - Solar Op Flex kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/10 exports: - download_link - download_link_microgrid - entity: ICA_Layer/11 name: ICA - Solar PV Static Grid kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/11 exports: - download_link - download_link_microgrid - entity: ICA_Layer/12 name: ICA - Unavailable Circuit Segments kind: feature layer geometry: esriGeometryPolyline field_count: 8 object_id_field: objectid join_keys: - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/12 - entity: ICA_Layer/13 name: ICA - Uniform Generation Op Flex kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/13 exports: - download_link - download_link_microgrid - entity: ICA_Layer/14 name: ICA - Uniform Generation Static Grid kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/14 exports: - download_link - download_link_microgrid - entity: ICA_Layer/15 name: ICA - Uniform Load Static Grid kind: feature layer geometry: esriGeometryPolyline field_count: 17 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - node_id - section_id - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/15 - entity: ICA_Layer/16 name: Substations kind: feature layer geometry: esriGeometryPoint field_count: 14 object_id_field: objectid join_keys: - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/16 - entity: ICA_Layer/17 name: RAM - Circuits kind: feature layer geometry: esriGeometryPolyline field_count: 16 object_id_field: objectid join_keys: - circuit_name - circuit_voltage - substation_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/17 - entity: ICA_Layer/18 name: Transmission Circuits kind: feature layer geometry: esriGeometryPolyline field_count: 6 object_id_field: objectid join_keys: - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/18 - entity: ICA_Layer/19 name: SCE Service Territory kind: feature layer geometry: esriGeometryPolygon field_count: 9 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Layer/FeatureServer/19 - entity: ICA_Tables/0 name: DRPEP_FGDB_DATE_TIME kind: table geometry: null field_count: 3 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Tables/FeatureServer/0 - entity: ICA_Tables/1 name: Historical Circuit Load Profile kind: table geometry: null field_count: 12 object_id_field: objectid join_keys: - circuit_name - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Tables/FeatureServer/1 - entity: ICA_Tables/2 name: Historical Substation Load Profile kind: table geometry: null field_count: 9 object_id_field: objectid join_keys: - substation_voltage - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Tables/FeatureServer/2 - entity: ICA_Tables/3 name: ICA Single Consolidated Table kind: table geometry: null field_count: 26 object_id_field: objectid join_keys: - circuit_name - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Tables/FeatureServer/3 - entity: ICA_Tables/4 name: Forecasted Circuit Load Profile kind: table geometry: null field_count: 12 object_id_field: objectid join_keys: - circuit_name - year url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/ICA_Tables/FeatureServer/4 - entity: LNBA_Layer/0 name: DER Growth Scenario, Planning kind: feature layer geometry: esriGeometryPolyline field_count: 10 object_id_field: objectid join_keys: - circuit_name - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/LNBA_Layer/FeatureServer/0 - entity: LNBA_Layer/1 name: LNBA Short-term, Planning kind: feature layer geometry: esriGeometryPolyline field_count: 23 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - section_id - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/LNBA_Layer/FeatureServer/1 - entity: LNBA_Layer/2 name: LNBA Mid-term, Planning kind: feature layer geometry: esriGeometryPolyline field_count: 23 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - section_id - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/LNBA_Layer/FeatureServer/2 - entity: LNBA_Layer/3 name: LNBA Long-term, Planning kind: feature layer geometry: esriGeometryPolyline field_count: 23 object_id_field: objectid join_keys: - circuit_name - substation_name - system_name - section_id - circuit_voltage url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/LNBA_Layer/FeatureServer/3 - entity: LNBA_Layer/4 name: LNBA_FGDB_DATE_TIME kind: table geometry: null field_count: 3 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/LNBA_Layer/FeatureServer/4 - entity: LOAD_GROWTH_PEN_HTMAP/0 name: GRID_RANK_AGGR kind: feature layer geometry: esriGeometryPolygon field_count: 5 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/LOAD_GROWTH_PEN_HTMAP/FeatureServer/0 - entity: MGEP_AVL_LOAD_HEAT_MAP/0 name: GRID_RANK_AGGR_FULL kind: feature layer geometry: esriGeometryPolygon field_count: 6 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/MGEP_AVL_LOAD_HEAT_MAP/FeatureServer/0 - entity: MGEP_AVL_LOAD_HEAT_MAP/1 name: GRID_RANK_AGGR_FULL_PARTIAL kind: feature layer geometry: esriGeometryPolygon field_count: 6 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/MGEP_AVL_LOAD_HEAT_MAP/FeatureServer/1 - entity: SUBTRANS_HEATMAP/0 name: Subtrans_heatmap kind: feature layer geometry: esriGeometryPoint field_count: 19 object_id_field: objectid join_keys: [] url: https://drpep.sce.com/arcgis_server/rest/services/Hosted/SUBTRANS_HEATMAP/FeatureServer/0 relationships: - from: ICA_Layer/16 (Substations) to: ICA_Layer/0 (ICA - Circuit Segments) type: has_many via: substation_name confidence: high - from: Distribution_circuits/0 (Distribution Circuits) to: ICA_Layer/0 (ICA - Circuit Segments) type: has_many via: circuit_name confidence: high - from: ICA_Layer/0 (ICA - Circuit Segments) to: ICA_Layer/2..15 (ICA constraint layers) type: has_one via: circuit_name + node_id + section_id confidence: high note: Each constraint layer (generation/load thermal, steady-state voltage, voltage variation, protection, op flex, solar PV static grid, uniform generation/load) is the same segment geometry carrying one limiting criterion. - from: ICA_Layer/0 (ICA - Circuit Segments) to: ICA_Tables/3 (ICA Single Consolidated Table) type: has_one via: circuit_name + node_id confidence: medium note: The consolidated table is the tabular projection of the segment layer; joined by name, not declared. - from: Distribution_circuits/0 (Distribution Circuits) to: ICA_Tables/1 (Historical Circuit Load Profile) type: has_many via: circuit_name confidence: medium - from: Distribution_circuits/0 (Distribution Circuits) to: ICA_Tables/4 (Forecasted Circuit Load Profile) type: has_many via: circuit_name confidence: medium - from: ICA_Layer/16 (Substations) to: ICA_Tables/2 (Historical Substation Load Profile) type: has_many via: substation_name confidence: medium - from: GNA_Layer/2 (GNA - Circuits) to: DDOR_Layer/2 (DDOR - Circuits) type: has_one via: gna_id confidence: high note: The Distribution Deferral Opportunity Report is scoped to grid needs identified in the Grid Needs Assessment; gna_id is carried by both. - from: GNA_Layer/2 (GNA - Circuits) to: GNA_Layer/3 (Circuit Level Planning Assumptions) type: has_one via: circuit_name confidence: high - from: GNA_Layer/0 (GNA Substations) to: GNA_Layer/5 (Substation Level Planning Assumptions) type: has_one via: substation_name confidence: high - from: Distribution_circuits/0 (Distribution Circuits) to: LNBA_Layer/1..3 (LNBA short/mid/long term) type: has_many via: circuit_name confidence: medium - from: Distribution_circuits/0 (Distribution Circuits) to: DRP_PSPS_Layer/1 (PSPS_Circuit) type: has_one via: circuit_name confidence: high - from: ICA_Layer/19 (SCE Service Territory) to: Firemap/0..2 (CPUC fire-threat tiers) type: has_many via: spatial overlay (no shared key) confidence: low note: Fire-threat tiers are CPUC polygons with no circuit key; relate them by geometry, not attributes. exports: per_segment_csv: ICA feature layers carry download_link, download_link_microgrid, download_link_forecast and download_link_microgrid_forecast per segment. bulk_catalog: https://drpep-sce2.opendata.arcgis.com - 47 datasets as CSV/GeoJSON/KML/Shapefile plus DCAT-US 1.1 and DCAT-AP 2.1.1 feeds. schemas: json-schema/southern-california-edison-drpep-layers-schema.json excluded: green_button: SCE publishes no data model for Green Button Connect My Data. The only public field-level document is the Data Element Descriptions PDF (https://www.sce.com/sites/default/files/inline-files/Data_Element_Descriptions_SCE_1.pdf); the ESPI resource model itself is undisclosed, so nothing is asserted here.