Emergency System Operations

Curtailment of External Transactions STOP 07/29/2025, 20:00

Wed, 30 Jul 2025 04:06:57 GMT

When: Tuesday July 29, 2025 8:00 PM
ISO-NE is no longer curtailing external transactions as defined in OP-9 as of 07/29/2025, 20:00

Curtailment of External Transactions START 07/29/2025, 16:45

Wed, 30 Jul 2025 00:46:57 GMT

When: Tuesday July 29, 2025 4:45 PM
ISO-NE has begun curtailing external transactions as defined in OP-9 in order to mitigate an existing or anticipated Operating Reserve deficiency starting at 07/29/2025, 16:45

Curtailment of External Transactions STOP 07/28/2025, 19:30

Tue, 29 Jul 2025 03:36:57 GMT

When: Monday July 28, 2025 7:30 PM
ISO-NE is no longer curtailing external transactions as defined in OP-9 as of 07/28/2025, 19:30

::: Notice updated ::: Curtailment of External Transactions START 07/28/2025, 17:45

Tue, 29 Jul 2025 01:41:57 GMT

::: Notice updated ::: When: Monday July 28, 2025 5:45 PM
ISO-NE has begun curtailing external transactions as defined in OP-9 in order to mitigate an existing or anticipated Operating Reserve deficiency starting at 07/28/2025, 17:45

::: Notice deleted. Event posted in error. ::: Curtailment of External Transactions START 07/28/2025, 17:45

Tue, 29 Jul 2025 01:36:57 GMT

::: Notice deleted. Event posted in error. ::: When: Monday July 28, 2025 5:45 PM
ISO-NE has begun curtailing external transactions as defined in OP-9 in order to mitigate an existing or anticipated Operating Reserve deficiency starting at 07/28/2025, 17:45

M/LCC 2 Cancelled

Fri, 18 Jul 2025 04:46:57 GMT

When: Thursday July 17, 2025 9:00 PM
С��New England is cancelling Master Local Control Center Procedure No. 2 (M/LCC 2), Abnormal Conditions Alert, on Thursday, July 17, 2025 at 21:00 in ALL OF NEW ENGLAND.

M/LCC 2 Implemented on Wednesday, July 16, 2025 at 15:30 in ALL OF NEW ENGLAND

Wed, 16 Jul 2025 23:16:58 GMT

When: Wednesday July 16, 2025 3:30 PM
С��New England is implementing Master Local Control Center Procedure No. 2 (M/LCC 2), Abnormal Conditions Alert, on Wednesday, July 16, 2025 at 15:30 in ALL OF NEW ENGLAND due to Capacity Deficiency. Master Local Control Center Procedure No. 2 requests that you will not engage in activities that may jeopardize the availability of resources or transmission under your control.

Curtailment of External Transactions STOP 2025-07-01 20:00

Wed, 02 Jul 2025 04:06:06 GMT

When: Tuesday July 1, 2025 8:00 PM

С��New England is no longer curtailing External Transactions as defined in OP-9 Section IV, for Tuesday, 2025-07-01 20:00

Real Time Only Non-CTS External Transaction Sales Reduced 2025-07-01

Wed, 02 Jul 2025 02:52:41 GMT

When: Tuesday July 1, 2025 5:21 PM

ISO-NE has begun curtailing external transactions as defined in OP-9 Section IV in order to mitigate an existing or anticipated Operating Reserve deficiency 2025-07-01 17:21

Real Time Only Non-CTS External Transaction Sales Reduced 2025-07-01

Wed, 02 Jul 2025 02:50:43 GMT

When: Tuesday July 1, 2025 5:21 PM

С��New England reduced Real-Time Only Energy Market External Transaction Sales on non-CTS interfaces in order to mitigate an existing or anticipated Operating Reserve deficiency, for 07/01/2025