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In a press release, the Pennsylvania Public Utility Commission (PUC) announced that it voted 5-0 to advance the development of a Notice of Proposed Rulemaking (NOPR) aimed at modernizing the Commission’s electric interconnection regulations to reflect today’s evolving energy landscape.  

“The Pennsylvania Public Utility Commission (Commission) adopts this Notice of Proposed Rulemaking (NOPR) Order and seeks comment on the proposed addition of new regulations in Chapter 57 of Title 52, 52 Pa. Code, Chapter 57 (relating to Electric Service), to enable more comprehensive regulation of public utilities that provide electric distribution services within the Commonwealth.”

“Specifically, the Commission proposes to add regulations to include provisions for Distributed Energy Resources (DERs) participating as DER Aggregation Resources on electric distribution company (EDC) distribution facilities, consistent with FERC Order 2222-B.1 The aggregation of component DERs requires specific technical requirements and review not currently in our regulations. Therefore, we propose creating a separate Subchapter P at Chapter 57 entitled “Distributed Resources” and beginning with Section 57.261 (relating to the purpose) as set forth in the Annex.”  

By this DER NOPR Order & Annex  the Pennsylvania Public Utility Commission adopts a Notice of Proposed Rulemaking (NOPR) Order and seeks comment on the proposed addition of new regulations in Chapter 57 of Title 52, 52 Pa. Code, Chapter 57 (relating to Electric Service), to enable more comprehensive regulation of public utilities that provide electric distribution services within the Commonwealth. 

The proposed rulemaking set forth in the Annex shall be released for comment.

The Commission directed the Law Bureau and Bureau of Technical Utility Services to begin drafting a proposed Notice of Proposed Rulemaking consistent with today’s action. Once issued, the proposal will be published in the Pennsylvania Bulletin, opening a public comment period and providing stakeholders an opportunity to provide input.

Additional information will be posted on the PUC’s website as the rulemaking moves forward.

From the Annex:

• 57.263. General provisions. 

(a) EDCs with 100,000 or more customers shall allow DER Aggregation Resource participation within their service territories under the following conditions: 

(1) Customer-generators receiving service under the EDC’s net metering tariff are precluded from participating as a DER Aggregator Resource in the PJM capacity and energy markets. 

(2) The Component DER was approved by the EDC as part of a DER Aggregation Resource of a DERA to participate in the energy, capacity, and/or ancillary services markets of PJM through the PJM DER Aggregator Participation Model. 

(b) EDCs with less than 100,000 customers, may allow DER Aggregation Resource participation within their service territories upon Commission approval. 

(c) An EDC allowing DER Aggregation Resource participation within their service territory shall file a tariff with the Commission that provides for DER Aggregation Resource participation consistent with this chapter. 

• 57.264. Review of Component DER Applications. 

EDCs shall establish a process for receiving and reviewing requests from a DERA, DER operator or PJM for approval of a Component DER to participate in the PJM energy, capacity, and/or ancillary services markets as a DER Aggregation Resource in the PJM DER Aggregator 

Participation Model with the following conditions: 

(1) The process must allow for electronic submission of requests. 

(2) The EDC shall complete review of the request within 60 days of submission. 

(3) The EDC shall describe in detail the reasons for any denial of a request. 

(4) The EDC may establish a fee approved by the Commission for processing a request.

DER NOPR Order & Annex  (12/18/2025) 
L-2023-3044115
(Advance Notice Of Proposed Rulemaking Order In Re: Distributed Energy Resources Participation In Wholesale Markets Chapter 57)