Integrated Resource Plans (Publicly Owned Utilities)

Senate Bill 350 (de Leon, Chapter 547, Statutes of 2015) (SB 350) requires publicly owned utilities (POUs) with an average load greater than 700 GWh (in the 2013-16 period) to adopt Integrated Resource Plans (IRPs) by January 1, 2019, submit them to the Energy Commission, and update them at least once every five years thereafter. Based on historical data, 16 POUs are expected to be required to file an IRP. The Energy Commission is required to review POU IRPs for consistency with Public Utilities Code 9621 and recommend corrections to deficiencies in the plans, and may adopt guidelines to "govern the submission of information" for this review. The Energy Commission formally adopted guidelines at the August 9th Business Meeting.

IRPs are electricity system planning documents intended to ensure that POUs lay out the resource needs, policy goals, physical and operational constraints, and general priorities or proposed resource choices of an electric utility, including customer-side preferred resources. These plans will provide a framework to evaluate how utilities have chosen to align with greenhouse gas emission reduction targets as well as energy and other policy goals outlined in SB 350, including but not limited to:

  • Reductions in electricity sector greenhouse gas emissions commensurate with economy-wide reductions of 40 percent from 1990 levels by 2030;
  • A Renewables Portfolio Standard of 50 percent by 2030; and
  • Energy efficiency, gas use efficiency and vehicle electrification targets

Light-Duty Plug-in Electric Vehicle (LD PEV) Energy and Emissions Calculator
POUs are required to address transportation electrification in the IRPs adopted and submitted to the Energy Commission pursuant to SB 350. At the request of the POUs, Energy Commission staff has developed a spreadsheet-based tool to assist POUs in estimating and reporting on the energy and emissions impact of light-duty plug-in electric vehicle (LD PEV) deployment in their service territories. Use of this tool is to address transportation electrification is optional.
The calculator and a description of it can be found here Light duty PEV Energy and Emission Calculator (XLSX File, 5.2 MB)



For questions, please contact:

Paul Deaver
California Energy Commission
Phone: 916-651-0313
E-mail: Paul.Deaver@energy.ca.gov


News media, please call: Media & Public Communications Office - 916-654-4989.

Proceeding Information


Former Proceedings

  • 16-OIR-01 - General Proceeding for SB 350
  • 16-OIR-04 - Integrated Resource Plans (Publicly Owned Utilities) (Closed)
  • 16-TRAN-01 Transportation Electrification (Publicly Owned Utilities) (Closed)

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