Emergency System Operations

Curtailment of External Transactions STOP 07/08/2026, 20:00

2026-07-09T03:56:57Z

When: Wednesday July 8, 2026 8:00 PM
ISO-NE is no longer curtailing external transactions as defined in OP-9 as of 07/08/2026, 20:00

Curtailment of External Transactions START 07/08/2026, 18:45

2026-07-09T02:41:57Z

When: Wednesday July 8, 2026 6:45 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 07/08/2026, 18:45

::: Notice updated ::: Curtailment of External Transactions START 07/03/2026, 18:20

2026-07-04T06:01:57Z

::: Notice updated ::: When: Friday July 3, 2026 6:20 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 07/03/2026, 18:20

M/LCC 2 Cancelled

2026-07-04T05:51:57Z

When: Friday July 3, 2026 10:00 PM
�� is cancelling Master Local Control Center Procedure No. 2 (M/LCC 2), Abnormal Conditions Alert, on Friday, July 03, 2026 at 22:00 in ALL OF NEW ENGLAND.

Curtailment of External Transactions STOP 07/03/2026, 20:00

2026-07-04T04:01:57Z

When: Friday July 3, 2026 8:00 PM
ISO-NE is no longer curtailing external transactions as defined in OP-9 as of 07/03/2026, 20:00

Curtailment of External Transactions STOP 07/02/2026, 20:00

2026-07-03T04:06:57Z

When: Thursday July 2, 2026 8:00 PM
ISO-NE is no longer curtailing external transactions as defined in OP-9 as of 07/02/2026, 20:00

Curtailment of External Transactions START 07/02/2026, 18:30

2026-07-03T02:21:57Z

When: Thursday July 2, 2026 6:30 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 07/02/2026, 18:30

Curtailment of External Transactions STOP 07/01/2026, 19:45

2026-07-02T03:36:57Z

When: Wednesday July 1, 2026 7:45 PM
ISO-NE is no longer curtailing external transactions as defined in OP-9 as of 07/01/2026, 19:45

Curtailment of External Transactions START 07/01/2026, 17:45

2026-07-02T01:41:57Z

When: Wednesday July 1, 2026 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 07/01/2026, 17:45

M/LCC 2 Implemented on Wednesday, July 01, 2026 at 17:00 in ALL OF NEW ENGLAND

2026-07-02T01:01:57Z

When: Wednesday July 1, 2026 5:00 PM
�� is implementing Master Local Control Center Procedure No. 2 (M/LCC 2), Abnormal Conditions Alert, on Wednesday, July 01, 2026 at 17:00 in ALL OF NEW ENGLAND due to Severe Weather. 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.