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Draft CEC Cropland Index Model High Category for 2026-2027 IRP

Published by California Energy Commission | State of California | Catalog Last Checked: November 28, 2025 at 07:19 PM | Dataset Last Updated: September 18, 2025 at 08:31 PM
For the 26-27 IRP, CEC updated the input datasets to the model to use the most recent available versions of the input data, leaving the transformation scale, weights and determination of the area of analysis identical to the previous version.  The variables used in the CEC Cropland Index Model contain information on soil quality (CA Revised Storie Index, Electrical Conductivity, and Sodium Adsorption Ratio), farmland designations (Prime Farmland, Unique Farmland and Farmland of Statewide Importance), and current existence of crops (as indicated by the California Statewide Crop Mapping). The CEC Cropland Index Model does not include statewide information for grazing lands or rangelands, and it is only applied to solar technology.   More information about this layer and its use in electric system planning is found in the CEC presentation from the August 19 webinar, as well as the 2023 Land Use Screens Staff Report in the CEC Energy Planning Library.  

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Complete Metadata
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accessLevel public
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description <div style='background-color:rgb(255, 255, 255); clear:both; color:rgb(0, 0, 0); font-family:&quot;Segoe UI&quot;, &quot;Segoe UI Web&quot;, Arial, Verdana, sans-serif; font-size:12px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px; overflow:visible; padding:0px; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><p style='background-color:transparent; color:windowtext; font-kerning:none; font-style:normal; font-weight:normal; margin:0px 0px 10.6667px; padding:0px; text-align:left; text-indent:0px;'><span style='font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='font-variant-ligatures:none !important; line-height:20.925px; margin:0px; padding:0px;'>For the 26-27 IRP, CEC updated the input datasets to the model to use the most recent available versions of the input data, leaving the transformation scale, weights and determination of the area of analysis identical to the previous version. &nbsp;The variables used in the CEC Cropland Index Model contain information on soil quality (CA Revised Storie Index, Electrical Conductivity, and Sodium Adsorption Ratio), farmland designations (Prime Farmland, Unique Farmland and Farmland of Statewide Importance), and current existence of crops (as indicated by the California Statewide Crop Mapping). The CEC Cropland Index Model does not include statewide information for grazing lands or rangelands, and it is only applied to solar technology.</span></span><span style='color:rgb(0,120,212); font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='line-height:20.925px; margin:0px; padding:0px;'>&nbsp;</span></span></p></div><div style='background-color:rgb(255, 255, 255); clear:both; color:rgb(0, 0, 0); font-family:&quot;Segoe UI&quot;, &quot;Segoe UI Web&quot;, Arial, Verdana, sans-serif; font-size:12px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px; overflow:visible; padding:0px; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><p style='background-color:transparent; color:windowtext; font-kerning:none; font-style:normal; font-weight:normal; margin:0px 0px 10.6667px; padding:0px; text-align:left; text-indent:0px;'><span style='color:rgb(0,120,212); font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='line-height:20.925px; margin:0px; padding:0px;'>&nbsp;</span></span><span style='font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='line-height:20.925px; margin:0px; padding:0px;'>&nbsp;</span></span></p></div><div style='background-color:rgb(255, 255, 255); clear:both; color:rgb(0, 0, 0); font-family:&quot;Segoe UI&quot;, &quot;Segoe UI Web&quot;, Arial, Verdana, sans-serif; font-size:12px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px; overflow:visible; padding:0px; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><p style='background-color:transparent; color:windowtext; font-kerning:none; font-style:normal; font-weight:normal; margin:0px 0px 10.6667px; padding:0px; text-align:left; text-indent:0px;'><span style='font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='font-variant-ligatures:none !important; line-height:20.925px; margin:0px; padding:0px;'>More information about this layer and its use in electric system planning is found in the </span></span><a style='color:inherit; margin:0px; padding:0px; text-decoration:none;' target='_blank' href='https://www.cpuc.ca.gov/-/media/cpuc-website/divisions/energy-division/documents/integrated-resource-plan-and-long-term-procurement-plan-irp-ltpp/2024-2026-irp-cycle-events-and-materials/assumptions-for-the-2026-2027-tpp/final_2025_busbar_mappingmag_presentation_cec.pdf' rel='nofollow ugc noopener noreferrer'><span style='color:rgb(70,120,134); font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='font-variant-ligatures:none !important; line-height:20.925px; margin:0px; padding:0px;'><u>CEC presentation</u></span></span></a><span style='font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='font-variant-ligatures:none !important; line-height:20.925px; margin:0px; padding:0px;'> from the August 19 webinar, as well as the 2023 </span></span><a style='color:inherit; margin:0px; padding:0px; text-decoration:none;' target='_blank' href='https://www.energy.ca.gov/data-reports/california-energy-planning-library/land-use-screens' rel='nofollow ugc noopener noreferrer'><span style='color:rgb(70,120,134); font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='font-variant-ligatures:none !important; line-height:20.925px; margin:0px; padding:0px;'><u>Land Use Screens Staff Report in the CEC Energy Planning Library</u></span></span></a><span style='font-family:Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, sans-serif; font-size:12pt;'><span style='font-variant-ligatures:none !important; line-height:20.925px; margin:0px; padding:0px;'>. </span><span style='line-height:20.925px; margin:0px; padding:0px;'>&nbsp;</span></span></p></div>
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identifier 6b25734a-4e85-4ee1-8921-1b7030497e0a
issued 2025-09-18T20:25:45.000Z
keyword 
                                            [
  "Busbar Mapping",
  "CAOpenData",
  "California Natural Resources Agency",
  "IRP",
  "TPP",
  "california energy commission",
  "land use screens"
]
license http://www.opendefinition.org/licenses/cc-by
modified 2025-09-18T20:31:07.817Z
publisher 
                                            {
  "name": "California Energy Commission",
  "@type": "org:Organization"
}
theme 
                                            [
  "Natural Resources"
]
title Draft CEC Cropland Index Model High Category for 2026-2027 IRP

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