California Independent System Operator …

1 California Independent System Operator corporation fifth replacement Tariff March 8, 2016 Appendix DD Generator Interconnection and Deliverability Allocation Procedures (GIDAP) 1 California Independent System Operator corporation fifth replacement Tariff March 8, 2016 Table of Contents 1 OBJECTIVES AND APPLICABILITY Objectives and Applicability Definitions Pre-Application 2 SCOPE AND APPLICATION Application of Generator Interconnection Procedures Comparability Interconnection Base Case Data Interconnection Service and Studies No Applicability to Transmission Service The Product The Interconnection Studies The Phase 1 Interconnection Studies The Reassessment Prior to Phase II Interconnection Studies The Phase II Interconnection Studies Update Following TP Deliverability Allocation Process 3 INTERCONNECTION REQUESTS General Roles and Responsibilities Timing for Submitting Interconnection

2 Requests Timing for Submitting Interconnection Requests for a Queue Cluster Timing for Submitting Interconnection Requests for Independent Study Process and Fast Track Process [NOT USED] Processing of Interconnection Requests Initiating an Interconnection Request Use of Interconnection Study Deposit Obligation for Study Costs Use of Site Exclusivity Deposit Proposed Commercial Operation Date Validation of Interconnection Request Acknowledgment of Interconnection Request Deficiencies in Interconnection Request Internet Posting Coordination with Affected Systems Withdrawal 2 California Independent System Operator corporation fifth replacement Tariff March 8.

3 2016 Transferability of Interconnection Request 4 Independent STUDY PROCESS Criteria for Independent Study Process Eligibility Determination of Electrical Independence Flow Impact Test Requirement Set Number One General Independent Study Requests: Requirement Set Number Two: for Requests for Independent Study of Behind-the-Meter Expansion Short Circuit Test Scoping Meeting System Impact Study Facilities Study Deliverability Assessment Extensions of Commercial Operation Date 5 FAST TRACK PROCESS Applicability and Initiation of Fast Track Process Request Initial Review [Not Used] Customer Options Meeting Supplemental Review 6 INITIAL ACTIVITIES AND PHASE I OF THE INTERCONNECTION STUDY PROCESS FOR QUEUE CLUSTERS Initial Activities Following the Close of the Cluster Application Window Generator Interconnection Study Process Agreement Scoping Meeting Grouping Interconnection Requests Scope and Purpose of Phase I Interconnection Study Identification and Cost for Network Upgrades Reliability Network Upgrades (RNUs)

4 Delivery Network Upgrades The On-Peak Deliverability Assessment Local Delivery Network Upgrades Area Delivery Network Upgrades [Intentionally Omitted] Off-Peak Deliverability Assessment Use of Per Unit Costs to Estimate Network Upgrade and PTO Interconnection Facilities Costs [Intentionally Omitted] 3 California Independent System Operator corporation fifth replacement Tariff March 8, 2016 Phase I Interconnection Study Procedures Phase I Interconnection Study Results Meeting Commercial Operation Date Modifications Determination of Impact of Modifications Decreasing Generating Capacity Output or Deliverability Status Reductions on Calculation of Initial Financial Security Posting Revisions and Addenda to Final Interconnection Study Reports Substantial Error or Omissions; Revised Study Report Other Errors or Omissions.

5 Addendum Only Substantial Errors or Omissions Adjust Posting Dates 7 ACTIVITIES IN PREPARATION FOR PHASE II Confirmation or Modification of Deliverability Status Full/Partial Capacity Deliverability Options for Interconnection Customers Postings and Cost Estimates for Network Upgrades Reassessment Process Generator Downsizing Process Application for Non-Refundable Amounts 8 PHASE II INTERCONNECTION STUDY PROCESS Scope of Phase II Interconnection Study Purpose of the Phase II Interconnection Study Interim Energy-Only Interconnection until DNUs Completed Cost Estimation Detail Operational Deliverability Assessment Determining Phase II Network Upgrades Reliability Network Upgrades and Local Delivery Network Upgrades Area Delivery Network Upgrades Cost Responsibility for Reliability Network Upgrades Cost Responsibility for Local Delivery Network Upgrades Cost Responsibility for Area Delivery Network Upgrades Phase II Interconnection Study Procedures Accelerated Phase II Interconnection Study Process Results Meeting with the CAISO and Applicable PTO(s) [Intentionally Omitted] Allocation Process for TP Deliverability First Component: Representing TP Deliverability Used by Prior Commitments Second Component.

6 Allocating TP Deliverability to the Current Queue Cluster Criteria for Retaining TP Deliverability Allocation 4 California Independent System Operator corporation fifth replacement Tariff March 8, 2016 Parking for Option (A) Generating Facilities Partial Allocations of Transmission Based Deliverability to Option (A) and Option (B) Generating Facilities Declining TP Deliverability Allocation Consequences of Failure to Retain TP Deliverability Updates to Phase II Interconnection Study Results 9 ADDITIONAL DELIVERABILITY ASSESSMENT OPTIONS [Intentionally Omitted] Annual Full Capacity Deliverability Option PTO Tariff Option for Full Capacity Deliverability Status Deliverability from Non-Participating TOs 10 Cost Responsibility For Interconnection Customers Interconnection Customers in a Queue Cluster Interconnection Customers in the Independent Study Process 11 INTERCONNECTION FINANCIAL SECURITY Types of Interconnection Financial Security Interconnection Financial Security-Initial Posting Posting Amount for Network Upgrades Small Generator Interconnection Customers Large Generator Interconnection Customers Posting Amount for Participating TO Interconnection Facilities Small Generator Interconnection

7 Customers Large Generator Interconnection Customers Cost Estimates Less than Minimum Posting Amounts Consequences for Failure to Post Effect of Decrease in Output on Initial Posting Requirement Interconnection Financial Security-Second and Third Postings Second Posting Timing of Posting Posting Requirements and Timing for Parked Option (A) Generating Facilities Network Upgrade Posting Amounts Small Generator Interconnection Customers Large Generator Interconnection Customers Cost Estimates Less than Minimum Posting Amounts Posting Amount for Participating TO Interconnection Facilities Small Generator Interconnection Customers Large Generator Interconnection Customers 5 California Independent System Operator corporation fifth replacement Tariff March 8.

8 2016 Cost Estimates Less than Minimum Posting Amounts Early Commencement of Construction Activities Consequences for Failure to Post Third Posting Network Upgrades Participating TO Interconnection Facilities Separation of Third Posting Failure to Post Withdrawal Or Termination-Effect on Financial Security Conditions for Partial Recovery of Interconnection Financial Security Upon Withdrawal of Interconnection Request or Termination of GIA Determining Refundable Portion of the Interconnection Financial Security for Network Upgrades Withdrawal Between the First Posting and the Deadline for the Second Posting Withdrawal Between the Second Posting and the Commencement of Construction Activities Special Treatment Based on Failure to Obtain Necessary Permit or Authorization from Governmental Authority After Commencement of Construction Activities Notification to CAISO and Accounting by Applicable Participating TO(s) Adjusting Network Upgrade Postings Following Reassessment Process 12 ENGINEERING & PROCUREMENT ( E&P ) AGREEMENT 13 Generator Interconnection Agreement (GIA)

9 Tender Negotiation Execution And Filing Commencement Of Interconnection Activities Interconnection Customer To Meet PTO Handbook Requirements 14 PTOs Interconnection Facilities And Network Upgrades Schedule Construction Sequencing General Construction of Network Upgrades that are or were an Obligation of an Entity other than the Interconnection Customer Advancing Construction of Network Upgrades that are Part of the CAISO s Transmission Plan Network Upgrades 6 California Independent System Operator corporation fifth replacement Tariff March 8, 2016 Initial Funding Repayment of Amounts Advanced for Network Upgrades and Refund of Interconnection Financial Security Repayment of Amounts Advanced Regarding Non-Phased Generating Facilities Repayment of Amounts Advanced Regarding Phased Generating Facilities Interest Payments and Assignment Rights 15 Miscellaneous Confidentiality Scope Release of Confidential Information Rights No Warranties Standard of Care Order of Disclosure Remedies Disclosure to FERC, its Staff, or a State Delegation of Responsibility [Not Used] [Not Used]

10 Disputes Submission External Arbitration Procedures Arbitration Decisions Costs Local Furnishing Bonds Participating TOs That Own Facilities Financed by Local Furnishing Bonds Alternative Procedures for Requesting Interconnection Service Change In CAISO Operational Control Appendix 1 Interconnection Request Attachment A Generating Facility Data Appendix 2 [Intentionally Omitted] Appendix 3 Generator Interconnection Study Process Agreement for Queue Clusters Appendix A Assumptions Used in Conducting the Phase I Interconnection Study Appendix B Data Form to Be Provided by the Interconnection Customer Prior to Commencement of the Phase II Interconnection Study Appendix 4 Agreement for the Allocation of Responsibilities with Regard to Generator Interconnection Procedures and Interconnection Study Agreements 7 California Independent System Operator corporation fifth replacement Tariff March 8, 2016 Attachment