Stakeholders Had General Function 5 Consensus on Activation; Frequency Watt Sunrun Concerned about Storage Adopt IOU Proposed Language. Mode Units Being Called for Underfrequency Events. Stakeholders Recommend Alignment with IEEE 1547; No Consensus was Reached on Modify IOU Proposed Language to Function 6 Volt Activation; with International Standard Watt Mode Stakeholders Concerned about IEEE 1547. Compensation and Amount of Curtailment. Stakeholders State the Need for Adopt IOU Proposed Language. Function 7 Clarifications on Will Require Later Revision and “Optional” Dynamic Reactive Definition and Technical IOUs Shall File Technical Support Requirements. Requirements in 5 Months. Stakeholders Affirm Need for Modify IOU Proposed Language on Function 8 Minor Modification; Technical Requirements Based on Scheduling Power No Consensus was Reached on Stakeholder Feedback from Values and Modes Capability Requirement. Workshop. Modify IOU Proposed Dates to Stakeholders Reached Consensus Effective Dates Workshop Consensus Effective on Effective Dates. Dates. Stakeholders Concerned that IOUs Phase 2 are Removing the Ability of Communication Reject IOU Proposed Modification. Aggregators to Fulfill Requirements Requirements. The disputed issues are addressed below are organized by general issues and function-specific issues. VI. General Issues VI.A. The Advice Letters were Properly Filed in Compliance with D.16-06-052. Ordering Paragraph 9 of D.16-06-052 ordered the IOUs to proposed “file revisions to Tariff Rule 21 setting forth any agreed-upon technical requirements, testing and certification processes, and effective dates for Phase 2 communication protocols and Phase 3 additional advanced inverter functions in separate Tier 3
Function 5 Frequency Watt Mode Stakeholders Had General Consensus on Activation; Sunrun Concerned about Storage Units Being Called for Underfrequency Events. Adopt IOU Proposed Language. Function 6 Volt Watt Mode Stakeholders Recommend Alignment with IEEE 1547; No Consensus was Reached on Activation; Stakeholders Concerned about Compensation and Amount of Curtailment. Modify IOU Proposed Language to with International Standard IEEE 1547. Function 7 Dynamic Reactive Support Stakeholders State the Need for Clarifications on “Optional” Definition and Technical Requirements. Adopt IOU Proposed Language. Will Require Later Revision and IOUs Shall File Technical Requirements in 5 Months. Function 8 Scheduling Power Values and Modes Stakeholders Affirm Need for Minor Modification; No Consensus was Reached on Capability Requirement. Modify IOU Proposed Language on Technical Requirements Based on Stakeholder Feedback from Workshop. Effective Dates Stakeholders Reached Consensus on Effective Dates. Modify IOU Proposed Dates to Workshop Consensus Effective Dates. Phase 2 Communication Requirements Stakeholders Concerned that IOUs are Removing the Ability of Aggregators to Fulfill Requirements. Reject IOU Proposed Modification. The disputed issues are addressed below are organized by general issues and function-specific issues. VI. General Issues VI.A. The Advice Letters were Properly Filed in Compliance with D.16-06-052. Ordering Paragraph 9 of D.16-06-052 ordered the IOUs to “file proposed revisions to Tariff Rule 21 setting forth any agreed-upon technical requirements, testing and certification processes, and effective dates for Phase 2 communication protocols and Phase 3 additional advanced inverter functions in separate Tier 3