As generation developers become increasingly interested in pairing energy storage with existing or proposed generation, this initiative will explore how such “hybrid” generation resources can be registered and configured to operate within the ISO market. This initiative will develop solutions allowing developers to maximize the benefits of their resource’s configuration. Hybrid resource configurations also raise new operational and forecasting challenges that ISO plans to address during this initiative.
Proposal Development | Decision | Implementation | Completed/Closed | |
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Phase 2 |
Dec 28, 2020 Revised draft tariff language
Mar 2021* Second revised draft tariff language |
Nov 18, 2020 Board of Governors approval (phase 2)
Nov 04, 2020 EIM Governing Body briefing (phase 2) |
Oct 01, 2021 Deployment
Oct 2021 Activation |
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Phase 1 |
May 07, 2020 Second revised straw proposal
Jul 10, 2020 Revised draft tariff language |
Nov 19, 2020 FERC approval (ER20-2890)
Jul 22, 2020 Board of Governors approval (phase 1) Jun 30, 2020 EIM Governing Body briefing (phase 1) |
Dec 2020 Deployment
Implementation milestones
Dec 2020 Activation |
Completed |
Phase 2 of this initiative proposes a solution to optimize hybrid resources.
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Revised Draft Tariff Language Subset - Hybrid Resources Phase 2 12/28/2020
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Web meeting |
Draft Tariff Language - Hybrid Resources Phase 2 11/13/2020
Video - Hybrid Resources Phase 2 - Draft Tariff Language - Dec 8, 2020 12/11/2020
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View comments |
Web meeting |
Revised Final Proposal - Hybrid Resources 10/16/2020
Revised Final Proposal (Redlined) - Hybrid Resources 10/16/2020
Presentation - Hybrid Resources - Final Proposal 10/15/2020
Final Proposal - Hybrid Resources 10/12/2020
Final White Paper - High Sustainable Limit - Hybrid Resources Phase 2 10/14/2020
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View comments |
Web meeting |
Presentation - Hybrid Resources Phase 2 - Draft Final Proposal 08/10/2020
White Paper - High Sustainable Limit - Hybrid Resources Phase 2 08/07/2020
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View comments |
This project initiated a market model representing multiple resources of different technologies that share a common point-of-interconnection (POI) that may have an aggregate capability constraint (ACC) limit below the combined grid injection/withdrawal capability of all “co-located” resources behind a common ACC. Phase 2 of this initiative will provide energy production units of different technologies the option to model as a single hybrid resource, however, this initial Phase 1 was initiated earlier to model co-located resources as individual resources, in order meet the growing number of new resources that are candidates for the co-located option. In addition, Phase 1 will allow the renewable (variable energy resource) component of hybrid resources to receive CISO forecasts.