Emergency System Operations 2026-10-20T08:01:57Z 2026-10-20T08:01:57Z

<strong>When:</strong> Tuesday October 20, 2026 12:00 AM<br/>ISO New England is experiencing deficiencies in New Brunswick to New England tie flow requirements and is expecting this condition to exist for the following date and hours; Starting: October 20, 2026 00:00 Ending: October 20, 2026 23:59 ISO New England is requesting the submittal of Security Energy Transactions on the New Brunswick to New England tie lines during this time period. The estimated amount of SETs necessary to satisfy the requirements is 175 MW.

2026-10-20T08:01:57Z 2026-10-19T08:06:57Z 2026-10-19T08:06:57Z

<strong>When:</strong> Monday October 19, 2026 12:01 AM<br/>ISO New England is experiencing deficiencies in New Brunswick to New England tie flow requirements and is expecting this condition to exist for the following date and hours; Starting: October 19, 2026 00:01 Ending: October 19, 2026 23:59 ISO New England is requesting the submittal of Security Energy Transactions on the New Brunswick to New England tie lines during this time period. The estimated amount of SETs necessary to satisfy the requirements is 175 MW.

2026-10-19T08:06:57Z 2026-10-18T08:06:57Z 2026-10-18T08:06:57Z

<strong>When:</strong> Sunday October 18, 2026 12:00 AM<br/>ISO New England is experiencing deficiencies in New Brunswick to New England tie flow requirements and is expecting this condition to exist for the following date and hours; Starting: October 18, 2026 00:00 Ending: October 18, 2026 23:59 ISO New England is requesting the submittal of Security Energy Transactions on the New Brunswick to New England tie lines during this time period. The estimated amount of SETs necessary to satisfy the requirements is 175 MW.

2026-10-18T08:06:57Z 2026-10-17T08:51:58Z 2026-10-17T08:51:58Z

<strong>When:</strong> Saturday October 17, 2026 6:00 AM<br/>ISO New England is experiencing deficiencies in New Brunswick to New England tie flow requirements and is expecting this condition to exist for the following date and hours; Starting: October 17, 2026 06:00 Ending: October 17, 2026 23:59 ISO New England is requesting the submittal of Security Energy Transactions on the New Brunswick to New England tie lines during this time period. The estimated amount of SETs necessary to satisfy the requirements is 175 MW.

2026-10-17T08:51:58Z 2026-08-08T06:56:57Z 2026-08-08T06:56:57Z

<strong>When:</strong> Friday August 7, 2026 11:00 PM<br/>ISO New England is cancelling Master Local Control Center Procedure No. 2 (M/LCC 2), Abnormal Conditions Alert, on Friday, August 07, 2026 at 23:00 in ALL OF NEW ENGLAND.

2026-08-08T06:56:57Z 2026-08-07T16:51:57Z 2026-08-07T16:51:57Z

<strong>When:</strong> Friday August 7, 2026 9:00 AM<br/>ISO New England is implementing Master Local Control Center Procedure No. 2 (M/LCC 2), Abnormal Conditions Alert, on Friday, August 07, 2026 at 09:00 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.

2026-08-07T16:51:57Z 2026-07-09T03:56:57Z 2026-07-09T03:56:57Z

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

2026-07-09T03:56:57Z 2026-07-09T02:41:57Z 2026-07-09T02:41:57Z

<strong>When:</strong> Wednesday July 8, 2026 6:45 PM<br/>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

2026-07-09T02:41:57Z 2026-07-04T06:01:57Z 2026-07-04T06:01:57Z

::: Notice updated ::: <strong>When:</strong> Friday July 3, 2026 6:20 PM<br/>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

2026-07-04T06:01:57Z 2026-07-04T05:51:57Z 2026-07-04T05:51:57Z

<strong>When:</strong> Friday July 3, 2026 10:00 PM<br/>ISO New England 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.

2026-07-04T05:51:57Z