Mandatory GHG Reporting - Electric Power Entities

This page updated January 12, 2015



Specified Source Facilities - Registration by February 1

By February 1, 2015, EPEs must register their anticipated specified sources of power that they intend to claim in their 2014 Emissions Data Reports pursuant to section 95111(g)(1) of the Regulation for the Mandatory Reporting of Greenhouse Gas Emissions (MRR). All specified sources associated with imported power, exported power, or power used to claim an RPS adjustment, including any zero emission resources, must be registered by February 1, 2015, as well as new and existing anticipated specified sources for asset-controlling suppliers (ACS).

ARB will use this information to calculate an emissions factor for each specified source. The emission factors will be published on ARB’s website and made available to reporting entities in Workbook 1. 

The link below provides the Specified Source Facilities Workbook. Completed Specified Source Facilities Workbooks must be emailed to with the subject line:  “Specified Source Registration – [company acronym]” by the February 1, 2015 deadline 

Asset Controlling Supplier

Information related to ARB's Asset Controlling Supplier (ACS) program is posted on the ACS webpage.  

Asset Controlling Supplier - Registration by May 1

Pursuant to section 95111(f) of MRR, electric power entities (EPE) may register with ARB as an Asset Controlling Supplier (ACS).  For entities applying to be an ACS, please submit your application to ARB by May 1st of the year proceeding the data year for which the entity intends to be an ACS. Submission by this date, using the Asset Controlling Supplier application forms is needed to ensure sufficient time to process and review the application for the upcoming reporting year. 


Updated 2013 Specified Source Emission Factors (8/8/2014)

Certain specified source emission factors for 2013 data were updated using U.S. EPA greenhouse gas emissions data. Affected EPEs were provided additional time to perform verification of 2013 data. The time extension did not apply to EPEs that were not affected by the emission factor update.

    - Regulatory Advisory (8/8/14): Verification Deadline Extension for certain Electric Power Entities for 2013 Data
    - Specified Source Emission Factor Revisions Summary (for 2013 data)

Instructions for Updating Emission Factors in Workbook 1

The updated 2013 specified source emission factors were available at the Cal e-GGRT help-site (see Electric Power Entities, file: Updated 2013 EF.xls).

Only reporters using specified sources that have been updated were required to update and resubmit their EPE reports.

Reporters affected by the emission factor update updated the factors in their previously submitted Workbook 1.
    - Instructions for Updating EFs in Workbook 1 (2013 Data Only)

A revised Workbook 1 for 2013 data was posted that incorporates the updated emission factors. This should not be used by EPEs that have already completed a 2013 data report. Instead, follow the instructions above to update the existing workbook.

If you have Electric Power Entity questions please contact Wade McCartney, 916.327.0822.