Distributed Energy Resource Aggregation Agreement - Article 1 - Scope, Purpose, and Related Agreement

Aug 31, 2026

Distributed Energy Resource Aggregation Agreement defines how an aggregator (Supplier) provides required communication capabilities for inverter-based Participating Generating Facilities under CPUC Electric Rule 21 Tariff Section Hh. It specifies applicability, incorporation and hierarchy with Rule 21, limitations regarding other agreements, and the meaning of capitalized terms. It also assigns Supplier responsibilities for compliance, installation and operation of communications and management systems, real-time monitoring and telemetry, remote software updates, protocol requirements, and cybersecurity and privacy procedures with defined update timelines.

LanguageEnglish

CategoryLetters

FormatDOCX

Pages24

Reading Time8 min

AccessFree to download

Article 1. Scope, Purpose, and Related Agreement

Applicability

Limitations

Capitalized Terms

Summary and Description of the Parties

Article 2. Responsibilities of the Supplier

Compliance with Applicable Laws and Regulations

Communications Functions

Cybersecurity and Privacy Procedures

DISTRIBUTED ENERGY RESOURCE AGGREGATION AGREEMENT BETWEEN [SUPPLIER] AND [COMPANY] PARTICIPATING generating facility OR FACILITIES: [Participating generating facility OR FACILITIES NAME(S)] This Distributed Energy Resource Aggregation Agreement (“Agreement”) is entered into by and between [Aggregator Name] (“Supplier”), a [form of entity and state of registration], and [Company Name] (“Company”), a California Corporation. Supplier and Company are sometimes referred to herein individually as “Party” or collectively as the “Parties.” In consideration of the mutual promises and obligations stated in this Agreement and its attachments, the Parties agree as follows: Article 1. Scope, Purpose, and Related Agreement Applicability 1.1.1 This Agreement governs the terms and conditions under which the Supplier will provide the communication functions required under Section Hh of the Company’s California Public Utilities Commission (“CPUC”) approved Electric Rule 21 Tariff (“Rule 21”) on behalf of one or more Participating Generating Facilities that utilize inverter-based technologies. 1.1.2 Each Participating Generating Facility has allowed the Supplier to provide, on its behalf, the communication functions required under Section Hh of Rule 21 consistent with, and pursuant to, the Participating Generating Facility-Aggregation Agreement(s) between the Participating Generating Facility or Facilities and the Company, and attached hereto as Appendix C. 1.1.3 This Agreement incorporates in its entirety the Company’s Rule 21, subject to any modifications the CPUC may direct in the exercise of its jurisdiction. In the event of inconsistency between this Agreement and the terms of Rule 21, the provisions of the latter shall control. 1.2 Limitations Nothing in this Agreement is intended to affect any other agreement between: (a) the Supplier and the Company, or (b) the Supplier and Participating Generating Facility(ies). 1.3 Capitalized Terms When used in this Agreement, terms with initial capitalization that are not defined in Appendix A shall have the meanings specified in the Article in which they are used or in Rule 21. 1.4 Summary and Description of the Parties 1.4.1 The Company, to which the Supplier shall transmit information, is located at: 1.4.2 The Supplier certifies that it is not co-located or part of Participating Generating Facility(ies). The Supplier is located at: 1.4.3 As set forth in the Participating Generating Facility-Aggregation Agreement(s), attached hereto as Appendix C, the Supplier shall provide the communication functions required under Section Hh of Rule 21 on behalf of the following Participating Generating Facility or Facilities: Article 2. Responsibilities of the Supplier 2.1 Compliance with Applicable Laws and Regulations The Supplier shall perform all obligations of this Agreement in accordance with all Applicable Laws and Regulations, Operating Requirements, and Good Utility Practice. 2.2 Communications Functions 2.2.1 The Supplier shall, at no cost to the Company, install, operate, and maintain communication systems located at the Supplier’s premises capable of providing the communication functions required under Section Hh of Rule 21, and transmit these communications between the Company and the Participating Generating Facility or Facilities. This includes, but is not limited to the following capabilities or requirements: 2.2.1.1 The equipment shall be capable of authorized communications; 2.2.1.2 The equipment shall provide real-time monitoring and control; 2.2.1.3 The equipment shall be capable of real-time telemetry data aggregation; 2.2.1.4 The software shall be able to be updated remotely; 2.2.1.5 The transport level protocol shall be TCP/IP; 2.2.1.6 The application-level protocol shall be IEEE 2030.5 (Smart Energy Profile 2.0 (SEP 2)) as defined in the California IEEE 2030.5 Implementation Guide; 2.2.1.7 The Supplier shall maintain direct contact with the Company; 2.2.1.8 The Supplier shall coo

FAQs

What communication scope does the agreement cover under CPUC Rule 21 Section Hh?

The agreement governs the terms under which the Supplier provides the communication functions required under Rule 21, Section Hh, for one or more inverter-based Participating Generating Facilities.

How does the agreement handle conflicts between its terms and Rule 21?

If there is any inconsistency between the agreement and Rule 21, the provisions of Rule 21 control.

What are the Supplier’s cybersecurity and privacy obligations and update process?

Before the Effective Date, the Supplier must implement the procedures in Appendix B at no cost. The Company can revise Appendix B at any time, and the Supplier must comply with revised procedures within thirty (30) days.

Aug 31, 2026

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