2024-2026 IRP Cycle Events and Materials
Preferred System Plan and Portfolios for 2025-2027 Transmission Planning Process
IRP Filing Requirements
- Ruling Finalizing Load Forecasts and Greenhouse Gas Emissions Benchmarks for 2026 IRP Filings (1/16/2026)
- Filing Requirements Overview Document (3/19/2026)
- 2026 Filing Requirements Questions + Answers (03/19/2026)
- Load Forecasts + GHG Benchmarks (1/16/2026)
- (Updated) RDT (3/19/2026)
- RDT User Guide (1/16/2026)
- (Updated) CSP Tool (3/19/2026)
- (Updated) CSP Documentation (3/19/2026)
- Narrative Template (1/16/2026)
- LSE Contact Information (1/16/2026)
- AB 1373 Resource Allocation Methodology for 2026 IRP Filing Requirement (3/19/2026)
- Characterizing AB 1373 Allocations in LSE Preferred Conforming Portfolios for 2024-2026 Cycle Filing Requirements (3/19/2026)
- Filing Requirements Analysis Materials
- 2026 CPUC Filing Requirements Modeling (1/16/2026)
- Raw RESOLVE Outputs (1/16/2026)
- RESOLVE Code Base and Inputs (1/16/2026)
- RESOLVE Workbooks and Public Case Results Viewers (1/16/2026)
- Filing Template - Beta Versions
- Draft (NOT FINAL) Resource Data Template (RDT) v3 (09/11/2025)
- Draft (NOT FINAL) User Guide for Draft RDT v3 (09/11/2025)
- Draft (NOT FINAL) Clean System Power (CSP) Tool (10/08/2025)
- Draft (NOT FINAL) User Guide for Clean System Power (CSP) Tool (10/08/2025)
- LSE Load Forecast Template Ruling (08/04/2025)
- 2025 LSE Load Forecast Template (08/21/2025)
IRP Inputs and Assumptions
- 2024 - 2026 Integrated Resource Planning (IRP) Inputs & Assumptions report (2/10/2026)
- Final 2025 I&A slides for the 2024-2026 IRP Cycle (2/10/2026)
- Draft 2025 Inputs and Assumptions, 2/20/2025
- 2025 Draft I&A Resource Costs, 3/3/2025
Office Hours - 2/17/2026 - 2026 IRP Filing Requirements Office Hours
- Objective: To provide information to be used in LSE Plan development, address questions, and promote stakeholder understanding of the filing requirements for 2026 LSE Plans.
Workshop - 2/27/2025 – IRP Workshop for 2025 Inputs and Assumptions (I&A) Document
- Objective: To provide an overview of the 2025 I&A document, present some specific topics, and provide an update on the overall process and timeline for finalizing this document