Recent Tariff Updates Recent Filings Recent Dockets Recent Orders
Filed 01/08/2026 NYISO-Con Edison Joint 205: Standard IA NYC Energy Battery Storage SA2935 (CEII)
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Filed 01/06/2026 NYISO-National Grid Joint 205: SGIA ELP Granby Solar II Project SA2934
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Filed 12/10/2025 NYISO 205: CASR ICAP Market Participation Model Revisions
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Filed 12/30/2025 LIPA 205: Revised Transmission Service Charges
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Filed 12/19/2025 NYISO 205: Market Bidding Requirements for ESRs, Aggregations, and DERs
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Filed 11/14/2025 Central Hudson Compliance: Rate Schedule 21 WDS Settlement Proposal
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Filed 08/06/2025 Central Hudson Offer of Settlement re: Rate Schedule 21 WDS
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Filed 11/24/2025 NMPC 205: Revisions to FRT and associated protocols under RS19 and Att H
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Filed 11/25/2025 NYISO 205: Revisions to Pro Forma NTO Operating Agreement
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Filed 12/02/2025 Ravenswood 205: Fuel Oil Conversion Cost Reimbursement
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Filed 10/24/2025 NYISO 205: ICAP Market Parameter Enhancements for Certain New Entry Conditions
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Filed 10/27/2025 NMPC 205: Depreciation Rate Revisions in Compliance with Order No. 898
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Filed 10/16/2025 NYISO-National Grid Joint 205: SGIA BR Benson Mines Solar SA2913
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Filed 09/03/2025 NYISO 205: Revisions to Establish Rules for NYTOs to Exercise Federal ROFR
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Filed 10/29/2025 NYISO Amendment: Ministerial edits to Federal ROFR proposal
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Filed 10/14/2025 NYISO-Central Hudson Joint 205: Standard IA East Fishkill Energy Storage SA2920
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Filed 09/19/2025 NYISO-PJM Joint 205: JOA Tariff Revisions
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Filed 09/08/2025 NYISO-NYSEG Joint 205: Standard IA Moraine Solar Energy Center SA2910 (CEII)
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Filed 09/09/2025 NYISO-RG&E Joint 205: Standard IA White Creek Solar SA2904 (CEII)
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Filed 09/10/2025 NMPC 205: Generator IA among NMPC and Curtis/Pamer SA2918
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Filed 10/15/2025 NYISO Effective Date Notice: DADRP/DSASP Sunset - 2019 DER Proposal
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Filed 10/15/2025 NYISO Effective Date Notice: DADRP/DSASP Sunset - 2023 DER Proposal
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Filed 08/29/2025 NY Transco Ntc of Cnclltn: EPCA among NY Transco, Castleton, & NYISO SA2615
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Filed 08/28/2025 NY Transco Ntc of Cnclltn: EPCA among NY Transco, ADM Milling Co, & NYISO SA2643
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Filed 08/28/2025 NY Transco Ntc of Cnclltn: EPCA among NY Transco, Holcim, & NYISO SA2617
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Filed 03/04/2026 NMPC Compliance: Conform Accepted TSC Revisions
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Filed 02/25/2026 NYISO 205: Amended LGIA Sunrise Offshore Wind SA2795 (CEII)
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Filed 02/24/2026 NYISO Informational Filing of Interconnection Study Processing Metrics
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Filed 02/18/2026 NYISO 205: Winter Reliability Capacity Enhancements
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Filed 02/12/2026 NYISO Deficiency Response re: CHPE MTF
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Filed 02/06/2026 NYISO Compliance Errata: Order No. 676-K NAESB/WEQ
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Filed 02/05/2026 NYISO-NYSEG Joint 205: Standard IA Yellow Barn Solar SA2945 (CEII)
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Filed 02/04/2026 NYISO Compliance: Conform FERC eTariff Records re: DADRP-DSASP Sunset
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Filed 01/30/2026 NYISO Waiver Request: Calculation of Import Credit Requirements
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Filed 01/30/2026 NYISO Notice of Termination of Electree from the ISO-Administered Markets
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Filed 01/29/2026 NYISO-NYPA Joint 205: Amended LGIA Gateway Solar Energy Center SA2739 (CEII)
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Filed 01/28/2026 NYPA Compliance: Base ROE Settlement
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Filed 01/26/2026 NYISO 205: EPCA for the Class Year 2021 LI SDU SA2942
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Filed 01/23/2026 NYISO 205: Amended Interconnection Agreement between NYISO and HQ
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Filed 01/21/2026 NY Transco Compliance: Formula Rate Revisions to Base ROE
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Filed 01/20/2026 IRC Comments on NOPR re: NAESB WGQ Standards Version 4.0
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Filed 01/16/2026 Central Hudson 205: Revisions to Rate Schedule 12
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Filed 01/14/2026 NYISO-Con Edison Joint 205: LGIA for Bayonne III SA2938 (CEII)
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Filed 01/14/2026 NYISO-Con Edison Joint 205: Third Amended LGIA Bayonne I and II SA1668 (CEII)
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Filed 01/09/2026 NYISO MTI and Comments on NYSRC's 2026-27 Capability Year IRM
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Filed 01/08/2026 NYISO-Con Edison Joint 205: Standard IA NYC Energy Battery Storage SA2935 (CEII)
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Filed 01/06/2026 NYISO-National Grid Joint 205: SGIA ELP Granby Solar II Project SA2934
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Filed 12/30/2025 LIPA 205: Revised Transmission Service Charges
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Filed 12/29/2025 NY Transco 205: Depreciation Rates Update
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Filed 12/19/2025 NYISO 205: Market Bidding Requirements for ESRs, Aggregations, and DERs
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ER26-589-001

ER26-1514-000

ER26-1560-000

ER26-1431-000

ER26-570-001

ER25-2680-001

ER26-1274-000

ER26-1265-000

ER26-1258-000

ER26-1161-000

ER25-198-002

ER26-1130-000

ER26-1121-000

ER25-885-002

RM96-1-044

ER26-1068-000

ER26-1037-000

ER26-1034-000

ER26-885-000

ER26-978-000

ER26-953-000

ER26-911-000

ER26-893-000

ER26-844-000

ER24-1915-004

ER25-2636-002

AD10-2-000 [c]

ER26-713-000

RD26-3-000

ER26-639-000

ER26-600-000

ER19-2276-007 [a]

ER26-589-000

RM26-4-000

ER26-570-000

ER25-3291-001

ER25-198-001

ER24-1434-004

ER25-3361-001

ER26-266-000

ER26-235-000

ER26-161-000

ER23-2040-004

ER19-2276-007

ER26-115-000

ER25-885-001

ER25-3476-000

ER25-2636-001

ER25-3402-000

ER25-3390-000

ER25-3378-000

ER25-3361-000

ER25-3343-000

ER25-3333-000

ER25-3330-000

ER25-3297-000

ER25-3291-000

ER25-3191-000

ER25-3185-000

ER21-2460-010

Issued 03/05/2026 FERC Letter Order accepting the Standard IA among NYISO, Con Edison, and NYC Energy
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Issued 03/05/2026 FERC Letter Order accepting the SGIA among NYISO, National Grid, and ELP Granby Solar II
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Issued 02/27/2026 FERC Order Accepting Revisions Related to the Participation of Control Area System Resources (CASRs) in the NYISO’s Installed Capacity (ICAP) Market
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Issued 02/24/2026 FERC Order accepting LIPA's proposed TSC revisions
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Issued 02/12/2026 FERC Letter Order accepting NYSRC's 2026-2027 IRM
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Issued 02/05/2026 FERC Order accepting proposed revisions of Market Bidding Requirements for ESRs, Aggregations, and DERs
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Issued 02/02/2026 FERC Order accepting Central Hudson's RS 21 WDS
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Issued 01/23/2026 FERC Order accepting proposed revisions to Pro Forma NTO Operating Agreement
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Issued 01/20/2026 FERC Letter Order accepting Ravenswood Fuel Oil Conversion Cost Reimbursement
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Issued 01/16/2026 FERC Deficiency Letter re: Proposed Revisions to Implement CHPE MTF
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Issued 01/13/2026 FERC Letter Order accepting proposed revisions to NMPC's FRT under RS 19 and Att H to the OATT.
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Issued 01/09/2026 FERC Order accepting NYISO's Notice of Effective Date to Sunset DADRP/DSASP
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Issued 01/09/2026 FERC Order accepting NYISO's Notice of Effective Date to Sunset DADRP/DSASP
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Issued 12/29/2025 FERC Letter Order Accepting NYPA's Offer of Settlement
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Issued 12/23/2025 FERC Order Accepting Enhancements to ICAP Market Parameters for Certain New Entry Conditions
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Issued 12/22/2025 FERC Order Accepting NY Transco's Offer of Settlement
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Issued 12/15/2025 FERC Letter Order accepting proposed revisions to NMPC's FRT and Att H to the OATT
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Issued 12/11/2025 FERC Letter Order accepting the SGIA among NYISO, National Grid, and BR Benson Mines Solar
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Issued 12/09/2025 FERC Letter Order Accepting Revisions to Establish Rules for NYTOs to Exercise Federal ROFR
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Issued 12/09/2025 FERC Letter Order Accepting Revisions to Establish Rules for NYTOs to Exercise Federal ROFR
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Issued 12/05/2025 FERC Letter Order accepting Standard IA among NYISO, Central Hudson, and East Fishkill Storage 1, LLC
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Issued 11/17/2025 FERC Order accepting, in part, subject to condition, Central Hudson's RS 12 FRT revisions and directing compliance
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Issued 11/17/2025 FERC Letter Order accepting NYISO-PJM revisions to JOA
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Issued 11/14/2025 FERC Errata Notice clarifying effective date for NMPC compliance
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Issued 11/13/2025 FERC Letter Order accepting NMPC compliance
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