Recent Tariff Updates Recent Filings Recent Dockets Recent Orders
Filed 09/14/2026 NYISO-NYSEG Joint 205: Standard IA Mineral Basin Solar SA2974 (CEII)
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Filed 08/27/2026 NYISO Compliance: Tariff Revisions re: Interconnection Process Improvements
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Filed 08/31/2026 Notice of Cancellation: SGIA Sky High Solar SA2576
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Filed 09/02/2026 NYISO-National Grid Joint 205: Second Amended SGIA Dolan Solar SA2720
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Filed 08/28/2026 NYISO 205: Proposed Tariff Revisions to Clarify Storm Watch Costs Calculation
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Filed 08/24/2026 NYISO-National Grid Joint 205: Second Amended SGIA Hawthorn Solar SA2756
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Filed 08/25/2026 NYISO-National Grid Joint 205: SGIA NY37 Solar Project SA2975
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Filed 08/21/2026 Notice of Cancellation: SGIA Niagara Solar SA2526
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Filed 08/21/2026 NYISO 205: Credit Requirements for Import and Export Bids at New Proxy Gen Buses
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Filed 08/20/2026 Con Edison 205: Third Amended Operating and Maintenance Agreement SA2013 (CEII)
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Filed 08/20/2026 NYISO 205: 2nd Amended LGIA Riverhead Solar 2 SA2740 (CEII)
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Filed 08/11/2026 Notice of Cancellation: SGIA NY 13 Solar SA2681
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Filed 08/03/2026 Notice of Cancellation: Amnd SGIA Fairway Solar SA2647
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Filed 08/03/2026 Notice of Cancellation: Amnd SGIA Hilltop Solar SA2638
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Filed 07/29/2026 NYISO-NYSEG Joint 205: Amended Standard IA Yellow Barn Solar SA2945 (CEII)
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Filed 07/24/2026 NYISO Compliance: Conform FERC eTariff Records re: Deliverability Methodology
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Filed 05/30/2025 NYISO 205: Proposed Revisions to Enhance Duct-Firing Modeling
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Filed 05/18/2026 NYISO 205: Proposed Revisions to Further Enhance Duct-Firing Modeling
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Filed 04/18/2025 NYISO 205: Revisions to Procure Uncertainty Reserves
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Filed 08/19/2026 NYISO Effective Date Notice: Enhance Duct-Firing Modeling
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Filed 08/19/2026 NYISO Effective Date Notice: Further Enhance Duct Firing Modeling
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Filed 08/19/2026 NYISO Effective Date Notice: Process to Procure Uncertainty Reserves
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Filed 08/31/2026 NYISO Notice of Delayed Effective Date: Enhance Duct-Firing Modeling
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Filed 08/31/2026 NYISO Notice of Delayed Effective Date: Further Enhance Duct Firing Modeling
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Filed 08/31/2026 NYISO Notice of Delayed Effective Date: Process to Procure Uncertainty Reserves
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Filed 11/02/2026 NY Transco Uncontested Offer of Settlement re: Depreciation Rates Update
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Filed 10/30/2026 NYPA 205: Depreciation Rates Update
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Filed 10/30/2026 Central Hudson 205: Wholesale Distribution Service Rate Schedule
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Filed 10/30/2026 NYISO Request to Update the Service List in Docket Nos. EL15-18 and EL15-67
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Filed 10/28/2026 NYISO Withdrawal of Agreement Cancellation Filing
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Filed 10/26/2026 NYISO-NYSEG Joint 205: Second Amended EPCA Alle-Catt II Wind Project SA2794
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Filed 10/08/2026 Notice of Cancellation: SGIA Millers Grove Solar SA2868
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Filed 10/05/2026 NYISO-NYPA Joint 205: Amended LGIA Harlem River Yard SA2881 (CEII)
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Filed 10/02/2026 NYISO Compliance: Conform FERC eTariff Records re: URR & Improved Duct-Firing
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Filed 10/02/2026 NMPC 205: Proposed RS23 re: WDS Cost Recovery for Energy Storage Resources
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Filed 09/30/2026 NYISO 205: Automatic Resale of Surplus Unforced Capacity
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Filed 09/23/2026 NYISO 205: Amended LGIA Holtsville Energy Storage SA2836 (CEII)
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Filed 09/23/2026 NMPC Offer of Settlement: Sterling Power Amended LGIA
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Filed 09/18/2026 NYISO Answer to Comments & Protests re: Order No. 1920 Compliance
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Filed 09/14/2026 NYISO-NYSEG Joint 205: Standard IA Mineral Basin Solar SA2974 (CEII)
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Filed 09/02/2026 NYISO-National Grid Joint 205: Second Amended SGIA Dolan Solar SA2720
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Filed 08/31/2026 NYISO Notice of Delayed Effective Date: Further Enhance Duct Firing Modeling
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Filed 08/31/2026 NYISO Notice of Delayed Effective Date: Process to Procure Uncertainty Reserves
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Filed 08/31/2026 NYISO Notice of Delayed Effective Date: Enhance Duct-Firing Modeling
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Filed 08/31/2026 Notice of Cancellation: SGIA Sky High Solar SA2576
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Filed 08/31/2026 Notice of Cancellation: SGIA Sky High Solar SA2576
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Filed 08/28/2026 NYISO 205: Proposed Tariff Revisions to Clarify Storm Watch Costs Calculation
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Filed 08/27/2026 NYISO Compliance: Tariff Revisions re: Interconnection Process Improvements
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Filed 08/26/2026 NYISO Cmplnce: Conform FERC eTariff Records re: 26-27 Winter Capability Period
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Filed 08/25/2026 NYISO-National Grid Joint 205: SGIA NY37 Solar Project SA2975
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ER26-893-001

ER27-359-000

ER27-350-000

ER27-266-000

ER27-78-000

ER27-51-000

ER27-31-000

ER27-27-000

ER26-3893-000

ER25-312-002

ER26-3828-000

ER26-2987-000 [a]

ER26-3764-000

ER26-3692-000

ER26-3659-000

ER25-1998-002

ER26-3665-000

ER26-2567-002

ER25-2382-002

ER26-3648-000

ER26-2698-001

ER26-3619-000

ER26-3609-000

ER26-3598-000

ER26-3590-000

ER26-3586-000

ER26-3579-000

ER26-3573-000

ER26-3572-000

ER25-2382-001

ER26-2567-001

ER25-1998-001

ER26-3480-000

ER26-3405-000

EL26-69-000 [a]

ER26-3404-000

ER26-3330-000

ER26-3266-000

EL26-69-000

ER26-2698-000 [a]

ER26-3035-000

ER26-2987-000

ER26-2959-000

ER12-2568-000 [o]

ER26-2430-000 [a]

ER26-2797-000

RM26-14-000

ER23-2040-005 [a]

ER26-2698-000

ER26-2655-000

ER25-2680-002

ER26-2577-000

ER26-2567-000

ER26-2564-000

ER24-1915-005

ER26-2541-000

ER26-570-000 [b]

ER26-570-002

ER26-2430-000

ER26-2410-000

Issued 11/12/2026 FERC Letter Order accepting Standard IA among NYISO, NYSEG, and Mineral Basin Solar
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Issued 11/05/2026 FERC Letter Order accepting NYISO Compliance re: Interconnection Process Improvements
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Issued 10/29/2026 FERC Letter Order accepting the Notice of Cancellation of SGIA among NYISO, National Grid, and Sky High Solar LLC
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Issued 10/29/2026 FERC Letter Order accepting Second Amended SGIA among NYISO, National Grid, and Dolan Solar
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Issued 10/27/2026 FERC Letter Order Accepting NYISO Notice of Delayed Effective Date re: Enhance Duct-Firing Modeling
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Issued 10/27/2026 FERC Letter Order Accepting NYISO Notice of Delayed Effective Date re: Further Enhance Duct Firing Modeling
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Issued 10/23/2026 FERC Letter Order Accepting Second Amended SGIA among NYISO, National Grid and Hawthorn Solar LLC
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Issued 10/22/2026 FERC Letter Order accepting SGIA among NYISO, National Grid, and Greens Corners Solar LLC
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Issued 10/21/2026 FERC Letter Order accepting Storm Watch Cost Calculation Revisions
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Issued 10/19/2026 FERC Letter Order Accepting Proposed Revisions to Credit Requirements for Import and Export Bids at New Proxy Gen Buses
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Issued 10/16/2026 FERC Letter Order accepting 2nd Amended LGIA among NYISO, LIPA, and Riverhead Solar 2
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Issued 10/16/2026 FERC Letter Order accepting the Notice of Cancellation of the SGIA among NYISO, NYSEG, and Duke Energy Renewables Solar, LLC
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Issued 10/16/2026 FERC Letter Order Accepting Third Amended and Composite Operating and Maintenance Agreement among Con Edison and NYPA
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Issued 10/09/2026 FERC Letter Order accepting the Notice of Cancellation of the SGIA among NYISO, Niagara Mohawk Power Corporation d/b/a National Grid, and Bald Mountain Solar LLC
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Issued 10/01/2026 FERC Letter Order Accepting NYISO Notice of Delayed Effective Date re: Process to Procure Uncertainty Reserves
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Issued 09/25/2026 FERC Letter Order accepting NMPC Compliance
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Issued 09/25/2026 FERC Order accepting Amended Standard IA among NYISO, NYSEG, and Yellow Barn Solar
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Issued 09/23/2026 FERC Letter Order accepting the compliance filing to conform FERC eTariff Records re: Deliverability Methodology
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Issued 09/22/2026 FERC Letter Order accepting the Notice of Cancellation of the Amended SGIA among NYISO, Niagara Mohawk Power Corporation d/b/a National Grid, and SunEast Fairway Solar LLC
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Issued 09/22/2026 FERC Letter Order accepting the Notice of Cancellation of the Amended SGIA among NYISO, Niagara Mohawk, and SunEast Hilltop Solar
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Issued 08/24/2026 FERC Order Accepting Proposed ICAP Market Parameters for 26-27 Winter Capability Period
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Issued 08/20/2026 FERC Letter Order accepting LIPA's ATRR for 2026 Rate Year and Proposed Revisions
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Issued 08/14/2026 FERC Order Granting the NYISO's Abeyance Request re: Large Load Show Cause Order
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Issued 08/14/2026 FERC Letter Order accepting NYISO Compliance re: Order No. 676-K NAESB/WEQ Standards
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Issued 08/07/2026 FERC Letter Order accepting the Notice of Cancellation of the Amended SGIA among NYISO, RGE and Casella
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