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May 16, 2019 | westborough , MA

May 16, 2019 | westborough , MA. Jonathan Lowell. jlowell@iso-ne.com | 413-540-4658. Removing Wind Resource Data Requirements from the LGIA for Relocation into Market Rule 1. Solar Data Requirements. Solar Data Requirements. WMPP ID: 137. Proposed Effective Date: October 2019.

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May 16, 2019 | westborough , MA

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  1. May 16, 2019 | westborough, MA Jonathan Lowell jlowell@iso-ne.com | 413-540-4658 Removing Wind Resource Data Requirements from the LGIA for Relocation into Market Rule 1 Solar Data Requirements

  2. Solar Data Requirements WMPP ID: 137 Proposed Effective Date: October 2019 To provide real-time situational awareness and data for short-term power forecasting, wind resources are currently required to provide real-time telemetry of meteorological and outage data. These requirements are currently contained in the Large Generator Interconnection Agreement (LGIA) Wind requirements will be removed from the LGIA, relocated and consolidated with similar requirements for solar resources in a new location in Market Rule 1 (MR-1) Today’s presentation will focus on: • Historical background • Rationale for relocating requirements from LGIA to MR-1

  3. Background – Wind Resources, Operating Procedure 14 & FERC Order 764 In 2011, the ISO established data requirements for wind resources that are represented in the ISO’s network model and dispatch software. These requirements were documented in Operating Procedure 14 (OP-14), Appendix F FERC Order 764 (Integration of Variable Energy Resources, issued 6/22/2012) required meteorological and outage related data requirements to be included in the tariff, specifically in the LGIA. This was accomplished in 2014 These wind data requirements play an important role supporting the ISO’s short-term wind forecast, which allows wind to be dispatched under the Do Not Exceed (DNE) approach

  4. What changesare being proposed? The consolidation of wind and solar data requirements was initially discussed at the February 20, 2019 Transmission Committee meeting • At that time the ISO anticipated adding solar data requirements to the LGIA To ensure the requirements extend to all wind and solar resources that are not Settlement Only Resources, the wind and solar data requirements will be located in Market Rule 1 Deletion of the wind requirements from the LGIA will be reviewed by the NEPOOL Transmission Committee Incorporation of the consolidated wind and solar data requirements will be reviewed in parallel by the NEPOOL Markets Committee A new OP-14, Appendix H (OP-14H) will be created later this year specifically for solar resources • OP-14H will be separately reviewed in the October timeframe by the NEPOOL Reliability Committee • OP-14H will be similar to the existing OP-14, Appendix F for wind, which contains additional operational practices and recommendations. Examples include: • Ramp rate limitations • Recommended (not required) data collection points

  5. Order 764 Compliance and LGIA Order 764 requires each public utility transmission provider to: “incorporate provisions into the pro forma Large Generator Interconnection Agreement requiring interconnection customers whose generating facilities are variable energy resources to provide meteorological and forced outage data to the public utility transmission provider for the purpose of power production forecasting.” ISO believes moving these requirements into MR-1 will • Achieve FERC’s intention of ensuring data requirements part of the ISO’s FERC-approved tariff • Avoid the need to replicate wind and solar data requirements in both the LGIA and the Small Generator Interconnection Agreements (SGIA) • Will address the solar facilities for which situational awareness is going to be important • Including those interconnected through a state interconnection process (i.e., not the LGIA or SGIA)

  6. Wind Data Requirements – LGIA DeletionsSchedule 22 Appendix 6 Section 8.4

  7. Wind Data Requirements – LGIA DeletionsAppendix C to LGIA Interconnection Details Section 3

  8. Wind Data Requirements – LGIA DeletionsAppendix C to LGIA Interconnection Details Section 3 (cont.)

  9. Conclusion • Wind data requirements will be removed from the LGIA • No change to wind requirements (other than tariff location), but tariff requirements will extend to smaller facilities not covered by the LGIA • Relocation of wind requirements expected to become effective in October 2019, upon Commission approval

  10. Stakeholder Schedule

  11. Acronyms Used in this Presentation DNE – Do Not Exceed FERC – Federal Energy Regulatory Commission LGIA – Large Generator Interconnection Agreement MR-1 – Market Rule 1 OP14 – ISO New England Operating Procedure No. 14; Technical Requirements for Generators, Demand Resources, Asset Related Demands and Alternative Technology Regulation Resources SGIA – Small Generator Interconnection Agreement

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