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Enhancing Grid Integration Framework: Research Gaps & Policy Development

Explore research gaps and develop policies for a more integrated grid. Assess costs and benefits of technology combinations, ensure consistency in comparison, and build a resource library. Implement scenarios, hosting capacity assessment, cost-benefit analysis, and comprehensive frameworks for integrating distributed resources. Learn from Germany's experience in handling grid overcapacity issues and address the challenges of the "Duck Curve." Establish technical requirements for transmission-distribution interface and coordinate efforts among stakeholders for integrated planning and operation.

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Enhancing Grid Integration Framework: Research Gaps & Policy Development

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  1. Mark McGranaghanVice President, Power Delivery and UtilizationNYPSC May 22, 2014

  2. The Vision An Integrated Grid

  3. Integrated Grid Research Gaps Enabling Policy and Regulations

  4. Developing the Framework • Develop a frameworkfor assessing the costs and benefitsof the combinations of technology that lead to a moreintegrated grid • Ensure consistency in comparison of options • Build aresource library that will integrate knowledge from demonstrations Scenario Development Comparison of Scenarios Hosting Capacity Assessment Cost Benefit Analysis – All Value Streams Distribution Grid Impact/ Technology Solutions Transmission System Impact/ Technology Solutions Comprehensive Framework: Consistent, Repeatable & Transparent

  5. Integration of Distributed Resources Energy, Capacity & Ancillary Services Generation Capacity & Ancillary Service Central Generation Voltage & Frequency Stability Frequency Support Transmission Increasing Re-dispatchTransmission Constraint Loss Reduction Sub-transmission Increasing Penetration Level Increasing Penetration Level Reverse Power FlowReactive Power Balance T&D Avoided Capacity Substation Prevalent Overvoltage, Overcapacity & Protection Issues Loss Reduction Feeder-level Voltage Support Localized Voltage & Capacity in Long Circuits Distribution Edge

  6. Learning from Germany • Installed Capacity(2013) Solar Wind ~63GW of Installed Wind and PV – mostly connected to LV and MV grid Recent Changes in Germany to Address Concern of Grid Reliability Source: Fraunhofer Institute, Germany

  7. The “Duck” Curve is Real Not Just Resource Adequacy but the Adequacy of Resource of the Right Type More upward ramping capability is required when sun goes down Increased requirement for downward ramping capability in the morning Need lower minimum generation levels to avoid over-generation Source: ENEL – Measured Data from Southern Italy and CAISO analysis

  8. Integrated Planning and Operation • Establish technical requirements for transmission-distribution interface in a distributed resource future • Scheduling • Real-time balancing • Integrated markets • Planning • T&D operation • Integrated System Modeling Requires a coordinated effort among all stakeholders

  9. Broad Collaboration Required Enabling Policy and Regulations

  10. Thank You!

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