Recent Tariff Updates Recent Filings Recent Dockets Recent Orders
Filed 06/30/2026 LIPA Filing: ATRR for 2026 Rate Year and Proposed Revisions
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Filed 05/26/2026 NYISO Compliance: Order 676-K NAESB/WEQ Standards
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Filed 06/29/2026 NYISO Compliance: Order No. 1920 - Regional Transmission Planning Process
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Filed 05/29/2026 NYISO 205: Proposed Revisions re: Interconnection Process Improvements
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Filed 05/19/2026 NYISO 205: Proposed Revisions re: Deliverability Test Methodology
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Filed 05/27/2026 NYISO-National Grid Joint 205: SGIA Hatchery Solar Facility SA2965
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Filed 05/18/2026 NYISO-NYSEG Joint 205: Standard IA Agricola Wind SA2964 (CEII)
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Filed 05/15/2026 NYISO Compliance Filing re: May 2026 Order on NYISO Order No. 2023 Compliance
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Filed 05/14/2026 NYISO 205: Proposed Revisions to the ISO-NE/NYISO Coordination Agreement
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Filed 05/08/2026 NYISO Compliance re: CHPE MTF April 2026 Order
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Filed 05/01/2026 NYISO 205: Proposed Revisions re: Storm Watch Settlement Provisions
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Filed 04/30/2026 LIPA 205: Proposed Revisions to Establish a Long Island RTFC
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Filed 02/18/2026 NYISO 205: Winter Reliability Capacity Enhancements
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Filed 04/28/2026 NYISO Deficiency Response re: Winter Reliability Capacity Enhancements
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Filed 04/28/2026 NYISO-NYPA Joint 205: Upgrade Construction Agreement Brookside Solar SA2958 CEII
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Filed 04/16/2026 NYISO-National Grid Joint 205: Amended SGIA Ticonderoga Solar SA2666
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Filed 03/20/2026 NYISO-RG&E Joint 205: Amended EPCA Excelsior Energy Center SA2774
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Filed 03/11/2026 Central Hudson 205: WDS Rate Schedule 21 Revisions
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Filed 12/15/2025 NYISO Compliance Filing re: Oct 2025 Order on NYISO Order No. 2023 Compliance
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Filed 03/10/2026 NYISO-NYPA Joint 205: Standard IA Fort Covington Solar SA2943 (CEII)
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Filed 03/10/2026 NYISO-NYPA Joint 205: Standard IA Two Rivers Solar Farm SA2944 (CEII)
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Filed 03/04/2026 NMPC Compliance: Conform Accepted TSC Revisions
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Filed 03/28/2025 NYISO Compliance: Order No. 904
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Filed 02/25/2026 NYISO 205: Amended LGIA Sunrise Offshore Wind SA2795 (CEII)
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Filed 11/21/2025 NYISO 205: Proposed Revisions to Implement CHPE MTF
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Filed 08/24/2026 Central Hudson 205: Formula Rate Revisions re: Hurley Ave
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Filed 08/24/2026 NYISO-National Grid Joint 205: Second Amended SGIA Hawthorn Solar SA2756
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Filed 08/21/2026 NYISO 205: Credit Requirements for Import and Export Bids at New Proxy Gen Buses
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Filed 08/21/2026 Notice of Cancellation: SGIA Niagara Solar SA2526
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Filed 08/20/2026 NYISO 205: 2nd Amended LGIA Riverhead Solar 2 SA2740 (CEII)
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Filed 08/20/2026 Con Edison 205: Third Amended Operating and Maintenance Agreement SA2013 (CEII)
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Filed 08/19/2026 NYISO Effective Date Notice: Further Enhance Duct Firing Modeling
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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: Process to Procure Uncertainty Reserves
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Filed 08/11/2026 Notice of Cancellation: SGIA NY 13 Solar SA2681
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Filed 08/03/2026 NYISO Motion for Abeyance re: Large Load Show Cause Order
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Filed 08/03/2026 Notice of Cancellation: Amnd SGIA Fairview 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 07/20/2026 NYISO Informational Report: FERC Show Cause Order re: Large Loads
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Filed 07/08/2026 NYISO Supplemental Filing re: Interconnection Process Improvements
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Filed 06/30/2026 LIPA Filing: ATRR for 2026 Rate Year and Proposed Revisions
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Filed 06/29/2026 NYISO Compliance: Order No. 1920 - Regional Transmission Planning Process
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Filed 06/25/2026 NYISO 205: Proposed ICAP Market Parameters for 26-27 Winter Capability Period
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Filed 06/22/2026 Informational Filing: Con Edison System Restoration Plan 2026
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Filed 06/15/2026 NYISO Supplemental Filing re: Storm Watch Settlement Provisions
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Filed 06/11/2026 Ntc of Cancellation: SGIA SA1367 among NYISO, RGE, and Casella
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Filed 06/02/2026 NYISO Answer to Comments re: DER Participation Model Informational Report
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Filed 06/02/2026 Joint Petition for Rulemaking re: Improvements to Protections for CEII
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ER26-3598-000

ER26-3590-000

ER26-3586-000

ER26-3579-000

ER26-3573-000

ER26-3572-000

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

ER26-570-000 [a]

ER26-2333-000

ER26-1431-001

RM87-3-000 [b]

OA08-109-000 [k]

ER26-2229-000

ER23-2040-005

ER21-2460-000 [h]

ER26-1431-000 [a]

ER22-2350-000 [c]

ER26-1881-000

RM21-17-000 [e]

ER26-1720-000

ER26-1693-000

ER26-1685-000

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

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 07/30/2026 FERC Order granting NYISO's Request for Deferred Effective Date and Waiver re: Order No. 2222
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Issued 07/28/2026 FERC Order Accepting Proposed Revisions Regarding Interconnection Process Improvements, Subject to Condition
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Issued 07/27/2026 FERC Order Accepting NYISO Informational Filing re: DER Participation Model
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Issued 07/27/2026 FERC Order Accepting NYISO Informational Filing re: DER Participation Model
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Issued 07/21/2026 FERC Letter Order accepting SGIA among NYISO, National Grid, and Hatchery Solar
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Issued 07/20/2026 FERC Order Accepting Proposed Revisions Regarding Deliverability Test Methodology
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Issued 07/17/2026 FERC Letter Order accepting Standard IA among NYISO, NYSEG, and Agricola Wind
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Issued 07/14/2026 FERC Letter Order Accepting NYISO's Order No. 2023 Compliance Filing
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Issued 07/09/2026 FERC Letter Order Accepting NYISO's Compliance re: CHPE MTF
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Issued 07/09/2026 FERC Letter Order accepting proposed revisions to the Coordination Agreement between ISO New England Inc. and NYISO
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Issued 06/26/2026 FERC Order accepting proposed tariff revisions re: Winter Reliability Capacity Enhancements
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Issued 06/26/2026 FERC Order accepting proposed tariff revisions re: Winter Reliability Capacity Enhancements
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Issued 06/24/2026 FERC Letter Order accepting Standard Upgrade Construction Agreement among NYISO, NYPA, and Brookside Solar
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Issued 06/24/2026 FERC Letter Order accepting LIPA's proposed revisions to establish a Long Island RTFC
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Issued 06/23/2026 FERC Letter Order accepting proposed revisions to storm watch settlement provisions
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Issued 06/22/2026 FERC Letter Order accepting the proposed revisions to further enhance duct-firing modeling
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Issued 06/12/2026 FERC Letter Order accepting Amended SGIA among NYISO, National Grid, and ELP Ticonderoga Solar
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Issued 05/18/2026 FERC Letter Order accepting Amended EPCA among NYISO, RG&E, and Excelsior Energy Center
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Issued 05/07/2026 FERC Order accepting Central Hudson revisions to Rate Schedule 21
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Issued 05/06/2026 FERC Order on Compliance regarding Order Nos. 2023 and 2023-A
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Issued 05/05/2026 FERC Letter Order accepting Standard IA among NYISO, NYPA, and Fort Covington Solar
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