Parcelization (Tile Layer)

Published by California Energy Commission | State of California | Metadata Last Checked: July 09, 2025 | Last Modified: 2024-03-25T16:16:28.000Z

<div style='font-family:"Segoe UI", "Segoe UI Web", Arial, Verdana, sans-serif; margin:0px; padding:0px; clear:both; color:rgb(0, 0, 0); font-size:12px;'><span style='font-family:inherit; margin:0px; padding:0px; background-repeat:repeat-x; background-position:left bottom; background-image:url("data:image/gif;base64,R0lGODlhBQAEAJECAP////8AAAAAAAAAACH5BAEAAAIALAAAAAAFAAQAAAIIlGAXCCHrTCgAOw=="); border-bottom:1px solid transparent;'>This dataset is available for download from: <a href='https://caenergy.maps.arcgis.com/home/item.html?id=99dd4edeb6fb47d99b80023b96c9ec87' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;' target='_blank' rel='nofollow ugc noopener noreferrer'>Parcelization (File Geodatabase)</a><span style='font-family:inherit; margin:0px; padding:0px; background-repeat:repeat-x; background-position:left bottom; background-image:url("data:image/gif;base64,R0lGODlhBQAEAJECAP////8AAAAAAAAAACH5BAEAAAIALAAAAAAFAAQAAAIIlGAXCCHrTCgAOw=="); border-bottom:1px solid transparent;'> <span style='font-family:inherit; margin:0px; padding:0px; background-repeat:repeat-x; background-position:left bottom; background-image:url("data:image/gif;base64,R0lGODlhBQAEAJECAP////8AAAAAAAAAACH5BAEAAAIALAAAAAAFAAQAAAIIlGAXCCHrTCgAOw=="); border-bottom:1px solid transparent;'>Parcelization, a measure of size and density of parcels in a localized area, is a development feasibility factor that is used in evaluating substations’ ability to support new utility-scale resources in long-term energy planning. A statewide dataset of parcel boundaries <span style='font-family:inherit; margin:0px; padding:0px; background-repeat:repeat-x; background-position:left bottom; background-image:url("data:image/gif;base64,R0lGODlhBQAEAPEDAABVzDNVzDNV/wAAACH5BAUAAAMALAAAAAAFAAQAAAIInC2QchYKQgEAOw=="); border-bottom:1px solid transparent;'>are used to develop this index. The parcels are converted into a 90-meter raster, containing values of a unique identifier reflective of Parcel APN. A focal statistics tool is used to count the number of unique parcels within a <span style='font-family:inherit; margin:0px; padding:0px; background-repeat:repeat-x; background-position:left bottom; background-image:url("data:image/gif;base64,R0lGODlhBQAEAPEDAABVzDNVzDNV/wAAACH5BAUAAAMALAAAAAAFAAQAAAIInC2QchYKQgEAOw=="); border-bottom:1px solid transparent;'>0.5 mile radius of each parcel. This output is provided here and is an intermediate output to the final <span style='font-family:inherit; margin:0px; padding:0px; background-repeat:repeat-x; background-position:left bottom; background-image:url("data:image/gif;base64,R0lGODlhBQAEAJECAP////8AAAAAAAAAACH5BAEAAAIALAAAAAAFAAQAAAIIlGAXCCHrTCgAOw=="); border-bottom:1px solid transparent;'>parcelization map. Users who wish to use this information to produce the final map should overlay parcel boundary data and extract the mean raster value within each parcel. </div><div style='font-family:"Segoe UI", "Segoe UI Web", Arial, Verdana, sans-serif; margin:0px; padding:0px; clear:both; color:rgb(0, 0, 0); font-size:12px;'>The map is limited to the area considered with solar technical resource potential after a minimum set of land-use screens (referred to as the Base Exclusions) has been applied. </div><div style='font-family:"Segoe UI", "Segoe UI Web", Arial, Verdana, sans-serif; margin:0px; padding:0px; clear:both; color:rgb(0, 0, 0); font-size:12px;'>More information on the methods developing this dataset as well as the main use of this dataset in state electric system planning processes can be found in a recent <a href='https://www.energy.ca.gov/publications/2023/calculating-parcelization-electric-system-planning' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit; margin:0px; padding:0px;' target='_blank' rel='nofollow ugc noopener noreferrer'><span style='font-family:Calibri, Calibri_EmbeddedFont, Calibri_MSFontService, sans-serif; margin:0px; padding:0px; color:rgb(5, 99, 193); font-size:11pt; text-decoration-line:underline; font-variant-ligatures:none !important;'>CEC staff report</a> and <a href='https://www.cpuc.ca.gov/industries-and-topics/electrical-energy/electric-power-procurement/long-term-procurement-planning/2022-irp-cycle-events-and-materials/assumptions-for-the-2024-2025-tpp' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit; margin:0px; padding:0px;' target='_blank' rel='nofollow ugc noopener noreferrer'><span style='font-family:Calibri, Calibri_EmbeddedFont, Calibri_MSFontService, sans-serif; margin:0px; padding:0px; color:rgb(5, 99, 193); font-size:11pt; text-decoration-line:underline; font-variant-ligatures:none !important;'>workshops supporting the resource-to-busbar mapping methodology</a> for the 2024-2025 Transmission Planning Process. </div>

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Complete Metadata

identifier	47a515b2-60c4-4855-a1b9-cac0eb71064f
issued	2024-03-25T15:25:01.000Z
theme	[ "Natural Resources" ]