Technical Workshop II on Energy Storage Systems Operations and Maintenance Standards, 05-30-2024

To: Energy Storage Systems Owners (ESSOs), Generating Asset Owners (GAOs) and Rulemaking (R.) 23‑10‑011 (RA) and R.20‑05‑003 (IRP) Service Lists:

Subject: Technical Workshop II on Senate Bill 1383 Operation and Maintenance Standards for Energy Storage Systems 

The Electric Safety and Reliability Branch (ESRB) of the Safety and Enforcement Division (SED) of the California Public Utilities Commission (CPUC) is planning to hold a second technical workshop on Thursday May 30, 2024 to discuss the implementation of standards for the maintenance and operation of Energy Storage Systems (ESS), pursuant to Senate Bill (SB) 1383 (Hueso, 2022). 

Instructions on how to attend the workshop virtually are included below:

Workshop Overview

ESRB is holding a second technical workshop to discuss parties’ proposed revisions to General Order (GO) 167-B regarding the inclusion of operation and maintenance standards for energy storage systems as required by SB 1383.  We will post the workshop presentation and materials in advance of the second workshop on the Electric Generation Safety and Reliability webpage.

Workshop Comments

ESRB invites parties to submit comments on staff’s proposed changes to GO 167-B. The revised ESRB Staff Proposal will be posted to the webpage on May 24, 2024:

Electric Generation Safety and Reliability (ca.gov).

In written comments, please provide your suggested edits and comments to staff’s proposed changes to GO 167-B in redline format or track changes.  Comments should be emailed to the GO 167 inbox:

GO167@cpuc.ca.gov with the subject title “SB 1383 ESS Operation and Maintenance Standards - Workshop II” no later than close of business Thursday, June 27, 2024.    

Relevant Links:

• Workshop II - SED Staff Proposal - Revision to GO 167-B (Word)
• Workshop II - SED Staff Proposal - Revision to GO 167-B (PDF)
• Redline - GO 167-B & Workshop II - SED Staff Proposal - Revision to GO 167-B (PDF)
• Workshop II - SB 1383 ESS Implementation (PowerPoint) 
• Current version of GO 167-B 
• Party Comments on SED’s proposed changes to GO 167-B
• Senate Bill (SB) 1383 (2022)
• SB 38
• Electric Generation Safety and Reliability webpage: Electric Generation Safety and Reliability (ca.gov)

Party comments on SED's proposed changes to GO-167-B (Workshop II):

• Applied Energy Services (AES)
• Calpine Corporation (Calpine)
• California Energy Storage Alliance (CESA)
• Clearway Energy Group LLC (Clearway)
• Joint Commenters (Cragg)
• Megawatt Storage Farms (MWSF)
• San Diego Gas & Electric (SDG&E)
• Southern Power Company (Southern Co)
• Terra-Gen, LLC (Terra-Gen)