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Notice

08/06/2025

REQUESTED ACTION

Action date

CATEGORIES

Legal and regulatory
Planning

Generator Interconnection Affidavits for Allocating and Retaining Transmission Plan Deliverability due 8/29/25

Generator interconnection customers must submit affidavits to seek or retain transmission plan deliverability. The affidavits must be accompanied by substantiating documentation to support the claims made on the affidavit. Affidavits are required from developers with active interconnection projects being studied according to either the California ISO or wholesale distribution access tariffs. Eligibility requirements for projects, including wholesale distribution projects, are in the ISO Tariff and the Business Practice Manuals; see the references below.

Activity

Project Type and Eligibility

Required Documentation/ Affidavit

Reference

Seeking TP Deliverability allocation

CAISO Cluster 14 and earlier projects, ISP projects and WDAT projects that meet the eligibility requirements for seeking an allocation in allocation groups A, B, C and D.

Seeking TPD Affidavit Instructions  

Seeking TPD Affidavit 

Appendix DD

8.9.2

 

BPM for GIDAP 6.2.9.4

FCDS or PCDS used by prior commitments

CAISO Queue Serial - Cluster 4

WDAT projects studied for deliverability in: Cluster 4 or Prior

Affidavit for Cluster 4 and Earlier Queued Projects

Appendix DD

8.9.1

 

BPM for GIDAP 6.2.9.3

Retaining previously accepted TP Deliverability allocation

(FCDS or PCDS)

CAISO Queue Cluster projects and WDAT projects that received a TP Deliverability allocation on the basis of negotiating or being shortlisted for a Power Purchase Agreement

Documentation for Projects Previously Allocated Transmission Plan Deliverability

Appendix DD

8.9.3

 

BPM for GIDAP 6.2.9.5

Project’s Annual Commercial Viability Criteria Demonstration

Projects that have met the Commercial Viability Criteria (CVC) to retain their allocation must demonstrate that they continue to meet CVC annually.

Commercial Viability Criteria (CVC) Annual Demonstration Form

Appendix DD, 6.7.4

 

BPM for GM, 6.1.5

Where to submit the affidavit and study fund amounts may have changed for the 2025 Cycle. Wholesale distribution access customers should work closely with their utility for the submittal of the study funds; their contact information is below.

Activity

Study Process

Submit Affidavit to

Send Study Funds to

Seeking TPD allocation

CAISO

IRInfo@caiso.com

CAISO, see Instructions

Seeking TPD allocation

wholesale distribution access

IRInfo@caiso.com

cc utility contact below

the utility studying the interconnection

Retaining previously accepted TP Deliverability allocation

CAISO

Queuemanagement@caiso.com

N/A

Retaining previously accepted TP Deliverability allocation

wholesale distribution access

Queuemanagement@caiso.com

cc: utility contact below

N/A

Project’s Annual Commercial Viability Criteria Demonstration

CAISO

Queuemanagement@caiso.com

N/A

The ISO will adhere to the high-level timeframes below:

Date

Activity

29-Aug-25

5:00pm PPT

Submit affidavits and study funds

Mar-26

TPD Allocation Results announced

Apr-26

Customer Options

Contact information

For generating facilities retaining TP Deliverability:

Ryan Cox at (916) 351-2434 or queuemanagement@caiso.com

 

For generating facilities seeking TP Deliverability:

Daune Wilson at (916) 608-7058 or IRInfo@caiso.com

Michael Ucol at (916) 805-9235 or IRInfo@caiso.com

 

For wholesale distribution access customers retaining TP Deliverability or making payments:

Pacific Gas & Electric - WDT_Deliverability@pge.com

San Diego Gas & Electric - WDATgipapplications@semprautilities.com 

Southern California Edison - Grid.Interconnections@sce.com

Valley Electric Association - Darell Holmes, (775) 727-2736, DHolmes@VEA.coop

 

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