ISO New England

What’s in store for summer?

Adequate electricity supplies are expected; however, tight supply margins could develop if forecasted extreme peak demand occurs. Get the lowdown on what the ISO expects this summer on our Seasonal System Outlook webpage.
Staying a Step Ahead

A new video looks inside ISO New England and the region’s changing power system. Watch today!
2018 Regional Electricity Outlook (REO)

ISO-NE’s annual REO looks at the trends and challenges affecting New England’s power system, as well as the innovative solutions the ISO is pursuing to ensure reliable electricity for the region’s homes and businesses—today and into the future.
Learn about our mission

Operate the power grid. Run competitive wholesale electricity markets. Plan for future power system needs. ISO-NE helps keep New England’s homes, businesses, and services up and running 24/7, 365 days a year.

Today’s
Snapshot

AS OF 05/21/2018 08:16 AM

19,396

Available
Capacity (MW)

14,720

Forecasted Peak
Demand (MW)

2,151

Surplus
Capacity (MW)

13,719

Yesterday's Peak
Demand (MW)

Go To Today’s
Morning Report

Hydro	741
Natural Gas	5358
Nuclear	4013
Renewables	2
Renewables	312
Renewables	9
Renewables	375
Renewables	322

2018-05-21T00:00:00.000-04:00	10135.306
2018-05-21T00:05:00.000-04:00	10072.418
2018-05-21T00:10:00.000-04:00	10014.209
2018-05-21T00:15:00.000-04:00	9945.155
2018-05-21T00:20:00.000-04:00	9864.231
2018-05-21T00:25:00.000-04:00	9815.223
2018-05-21T00:30:00.000-04:00	9783.128
2018-05-21T00:35:00.000-04:00	9722.462
2018-05-21T00:40:00.000-04:00	9667.327
2018-05-21T00:45:00.000-04:00	9628.143
2018-05-21T00:50:00.000-04:00	9623.218
2018-05-21T00:55:00.000-04:00	9526.114
2018-05-21T01:00:00.000-04:00	9501.018
2018-05-21T01:05:00.000-04:00	9484.759
2018-05-21T01:10:00.000-04:00	9438.01
2018-05-21T01:15:00.000-04:00	9385.854
2018-05-21T01:20:00.000-04:00	9366.741
2018-05-21T01:25:00.000-04:00	9356.847
2018-05-21T01:30:00.000-04:00	9301.974
2018-05-21T01:35:00.000-04:00	9270.022
2018-05-21T01:40:00.000-04:00	9239.615
2018-05-21T01:45:00.000-04:00	9228.482
2018-05-21T01:50:00.000-04:00	9174.504
2018-05-21T01:55:00.000-04:00	9163.964
2018-05-21T02:00:00.000-04:00	9146.147
2018-05-21T02:05:00.000-04:00	9137.094
2018-05-21T02:10:00.000-04:00	9106.658
2018-05-21T02:15:00.000-04:00	9106.301
2018-05-21T02:20:00.000-04:00	9070.327
2018-05-21T02:25:00.000-04:00	9064.04
2018-05-21T02:30:00.000-04:00	9051.588
2018-05-21T02:35:00.000-04:00	9036.042
2018-05-21T02:40:00.000-04:00	8998.854
2018-05-21T02:45:00.000-04:00	9021.302
2018-05-21T02:50:00.000-04:00	9011.663
2018-05-21T02:55:00.000-04:00	8994.484
2018-05-21T03:00:00.000-04:00	8989.652
2018-05-21T03:05:00.000-04:00	8994.732
2018-05-21T03:10:00.000-04:00	8973.29
2018-05-21T03:15:00.000-04:00	8983.392
2018-05-21T03:20:00.000-04:00	8973.993
2018-05-21T03:25:00.000-04:00	8975.067
2018-05-21T03:30:00.000-04:00	8967.561
2018-05-21T03:35:00.000-04:00	9000.301
2018-05-21T03:40:00.000-04:00	8989.191
2018-05-21T03:45:00.000-04:00	8996.227
2018-05-21T03:50:00.000-04:00	8957.119
2018-05-21T03:55:00.000-04:00	8992.36
2018-05-21T04:00:00.000-04:00	9028.05
2018-05-21T04:05:00.000-04:00	9076.08
2018-05-21T04:10:00.000-04:00	9103.265
2018-05-21T04:15:00.000-04:00	9129.713
2018-05-21T04:20:00.000-04:00	9141.173
2018-05-21T04:25:00.000-04:00	9142.09
2018-05-21T04:30:00.000-04:00	9198.05
2018-05-21T04:35:00.000-04:00	9244.561
2018-05-21T04:40:00.000-04:00	9296.599
2018-05-21T04:45:00.000-04:00	9354.72
2018-05-21T04:50:00.000-04:00	9390.936
2018-05-21T04:55:00.000-04:00	9447.031
2018-05-21T05:00:00.000-04:00	9546.642
2018-05-21T05:05:00.000-04:00	9673.932
2018-05-21T05:10:00.000-04:00	9716.879
2018-05-21T05:15:00.000-04:00	9765.439
2018-05-21T05:20:00.000-04:00	9851.907
2018-05-21T05:25:00.000-04:00	9888.214
2018-05-21T05:30:00.000-04:00	9961.065
2018-05-21T05:35:00.000-04:00	10041.145
2018-05-21T05:40:00.000-04:00	10175.821
2018-05-21T05:45:00.000-04:00	10219.167
2018-05-21T05:50:00.000-04:00	10319.328
2018-05-21T05:55:00.000-04:00	10454.753
2018-05-21T06:00:00.000-04:00	10636.52
2018-05-21T06:05:00.000-04:00	10892.644
2018-05-21T06:10:00.000-04:00	11054.147
2018-05-21T06:15:00.000-04:00	11161.198
2018-05-21T06:20:00.000-04:00	11287.37
2018-05-21T06:25:00.000-04:00	11373.42
2018-05-21T06:30:00.000-04:00	11429.61
2018-05-21T06:35:00.000-04:00	11555.581
2018-05-21T06:40:00.000-04:00	11664.299
2018-05-21T06:45:00.000-04:00	11731.961
2018-05-21T06:50:00.000-04:00	11828.239
2018-05-21T06:55:00.000-04:00	11897.339
2018-05-21T07:00:00.000-04:00	11949.558
2018-05-21T07:05:00.000-04:00	12089.543
2018-05-21T07:10:00.000-04:00	12182.67
2018-05-21T07:15:00.000-04:00	12171.959
2018-05-21T07:20:00.000-04:00	12214.483
2018-05-21T07:25:00.000-04:00	12237.788
2018-05-21T07:30:00.000-04:00	12244.579
2018-05-21T07:35:00.000-04:00	12256.089
2018-05-21T07:40:00.000-04:00	12259.867
2018-05-21T07:45:00.000-04:00	12266.795
2018-05-21T07:50:00.000-04:00	12287.353
2018-05-21T07:55:00.000-04:00	12259.153
2018-05-21T08:00:00.000-04:00	12276.563
2018-05-21T08:05:00.000-04:00	12279.283
2018-05-21T08:10:00.000-04:00	12284.086
2018-05-21T08:15:00.000-04:00	12272.969
2018-05-21T08:20:00.000-04:00	12247.955
2018-05-21T08:25:00.000-04:00	12236.2
2018-05-21T08:30:00.000-04:00	12242.691
2018-05-21T08:35:00.000-04:00	12216.498
2018-05-21T08:40:00.000-04:00	12213.652
2018-05-21T08:45:00.000-04:00	12183.307
2018-05-21T08:50:00.000-04:00	12210.584
2018-05-21T08:55:00.000-04:00	12177.853
2018-05-21T09:00:00.000-04:00	12170.389
2018-05-21T09:05:00.000-04:00	12184.037
2018-05-21T09:10:00.000-04:00	12212.826
2018-05-21T09:15:00.000-04:00	12177.334
2018-05-21T09:20:00.000-04:00	12185.838
2018-05-21T09:25:00.000-04:00	12233.875
2018-05-21T09:30:00.000-04:00	12199.039
2018-05-21T09:35:00.000-04:00	12189.799
2018-05-21T09:40:00.000-04:00	12201.727
2018-05-21T09:45:00.000-04:00	12223.574
2018-05-21T09:50:00.000-04:00	12247.323
2018-05-21T09:55:00.000-04:00	12255.126
2018-05-21T10:00:00.000-04:00	12239.259
2018-05-21T10:05:00.000-04:00	12229.761
2018-05-21T10:10:00.000-04:00	12279.412
2018-05-21T10:15:00.000-04:00	12271.898
2018-05-21T10:20:00.000-04:00	12243.193
2018-05-21T10:25:00.000-04:00	12252.992
2018-05-21T10:30:00.000-04:00	12270.764
2018-05-21T10:35:00.000-04:00	12307.12
2018-05-21T10:40:00.000-04:00	12263.011
2018-05-21T10:45:00.000-04:00	12286.675
2018-05-21T10:50:00.000-04:00	12269.826
2018-05-21T10:55:00.000-04:00	12279.854
2018-05-21T11:00:00.000-04:00	12302.043
2018-05-21T11:05:00.000-04:00	12329.147
2018-05-21T11:10:00.000-04:00	12333.882
2018-05-21T11:15:00.000-04:00	12373.786
2018-05-21T11:20:00.000-04:00	12379.9
2018-05-21T11:25:00.000-04:00	12377.814
2018-05-21T11:30:00.000-04:00	12379.685
2018-05-21T11:35:00.000-04:00	12411.28
2018-05-21T11:40:00.000-04:00	12360.126
2018-05-21T11:45:00.000-04:00	12382.095
2018-05-21T11:50:00.000-04:00	12406.354
2018-05-21T11:55:00.000-04:00	12389.229
2018-05-21T12:00:00.000-04:00	12386.916
2018-05-21T12:05:00.000-04:00	12383.653
2018-05-21T12:10:00.000-04:00	12374.967
2018-05-21T12:15:00.000-04:00	12383.026
2018-05-21T12:20:00.000-04:00	12396.321
2018-05-21T12:25:00.000-04:00	12371.572
2018-05-21T12:30:00.000-04:00	12420.425
2018-05-21T12:35:00.000-04:00	12443.021
2018-05-21T12:40:00.000-04:00	12474.216
2018-05-21T12:45:00.000-04:00	12486.374
2018-05-21T12:50:00.000-04:00	12530.505
2018-05-21T12:55:00.000-04:00	12536.59
2018-05-21T13:00:00.000-04:00	12560.708
2018-05-21T13:05:00.000-04:00	12564.598
2018-05-21T13:10:00.000-04:00	12610.298
2018-05-21T13:15:00.000-04:00	12615.689
2018-05-21T13:20:00.000-04:00	12644.713
2018-05-21T13:25:00.000-04:00	12684.404
2018-05-21T13:30:00.000-04:00	12646.41
2018-05-21T13:35:00.000-04:00	12692.747
2018-05-21T13:40:00.000-04:00	12701.021
2018-05-21T13:45:00.000-04:00	12740.655
2018-05-21T13:50:00.000-04:00	12748.729
2018-05-21T13:55:00.000-04:00	12712.414
2018-05-21T14:00:00.000-04:00	12730.805
2018-05-21T14:05:00.000-04:00	12759.569
2018-05-21T14:10:00.000-04:00	12757.687
2018-05-21T14:15:00.000-04:00	12834.714
2018-05-21T14:20:00.000-04:00	12841.239
2018-05-21T14:25:00.000-04:00	12862.97
2018-05-21T14:30:00.000-04:00	12893.266
2018-05-21T14:35:00.000-04:00	12864.368
2018-05-21T14:40:00.000-04:00	12888.535
2018-05-21T14:45:00.000-04:00	12899.845
2018-05-21T14:50:00.000-04:00	12901.516
2018-05-21T14:55:00.000-04:00	12938.428
2018-05-21T15:00:00.000-04:00	12953.255
2018-05-21T15:05:00.000-04:00	13000.219
2018-05-21T15:10:00.000-04:00	13004.852
2018-05-21T15:15:00.000-04:00	13061.766
2018-05-21T15:20:00.000-04:00	13087.581
2018-05-21T15:25:00.000-04:00	13138.784
2018-05-21T15:30:00.000-04:00	13101.106
2018-05-21T15:35:00.000-04:00	13168.697
2018-05-21T15:40:00.000-04:00	13213.015
2018-05-21T15:45:00.000-04:00	13261.592
2018-05-21T15:50:00.000-04:00	13291.313
2018-05-21T15:55:00.000-04:00	13341.845
2018-05-21T16:00:00.000-04:00	13400.667
2018-05-21T16:05:00.000-04:00	13445.16
2018-05-21T16:10:00.000-04:00	13488.541
2018-05-21T16:15:00.000-04:00	13523.773
2018-05-21T16:20:00.000-04:00	13601.514
2018-05-21T16:25:00.000-04:00	13668.795
2018-05-21T16:30:00.000-04:00	13707.293
2018-05-21T16:35:00.000-04:00	13676.878
2018-05-21T16:40:00.000-04:00	13431.523
2018-05-21T16:45:00.000-04:00	13866.814
2018-05-21T16:50:00.000-04:00	13896.269
2018-05-21T16:55:00.000-04:00	13968.01
2018-05-21T17:00:00.000-04:00	13995.784
2018-05-21T17:05:00.000-04:00	14042.496
2018-05-21T17:10:00.000-04:00	14078.609
2018-05-21T17:15:00.000-04:00	14131.938
2018-05-21T17:20:00.000-04:00	14217.264
2018-05-21T17:25:00.000-04:00	14278.549
2018-05-21T17:30:00.000-04:00	14310.885
2018-05-21T17:35:00.000-04:00	14354.787
2018-05-21T17:40:00.000-04:00	14391.138
2018-05-21T17:45:00.000-04:00	14457.95
2018-05-21T17:50:00.000-04:00	14473.169
2018-05-21T17:55:00.000-04:00	14537.752
2018-05-21T18:00:00.000-04:00	14535.184
2018-05-21T18:05:00.000-04:00	14493.313
2018-05-21T18:10:00.000-04:00	14525.318
2018-05-21T18:15:00.000-04:00	14661.641
2018-05-21T18:20:00.000-04:00	14552.215
2018-05-21T18:25:00.000-04:00	14571.835
2018-05-21T18:30:00.000-04:00	14610.5
2018-05-21T18:35:00.000-04:00	14560.63
2018-05-21T18:40:00.000-04:00	14578.52
2018-05-21T18:45:00.000-04:00	14592.396
2018-05-21T18:50:00.000-04:00	14596.513
2018-05-21T18:55:00.000-04:00	14589.258
2018-05-21T19:00:00.000-04:00	14493.354
2018-05-21T19:05:00.000-04:00	14537.717
2018-05-21T19:10:00.000-04:00	14502.843
2018-05-21T19:15:00.000-04:00	14470.681
2018-05-21T19:20:00.000-04:00	14502.604
2018-05-21T19:25:00.000-04:00	14448.052
2018-05-21T19:30:00.000-04:00	14444.301
2018-05-21T19:35:00.000-04:00	14450.22
2018-05-21T19:40:00.000-04:00	14444.69
2018-05-21T19:45:00.000-04:00	14436.201
2018-05-21T19:50:00.000-04:00	14444.95
2018-05-21T19:55:00.000-04:00	14488.857
2018-05-21T20:00:00.000-04:00	14380.272
2018-05-21T20:05:00.000-04:00	14444.697
2018-05-21T20:10:00.000-04:00	14529.692
2018-05-21T20:15:00.000-04:00	14478.966
2018-05-21T20:20:00.000-04:00	14497.949
2018-05-21T20:25:00.000-04:00	14569.182
2018-05-21T20:30:00.000-04:00	14542.255
2018-05-21T20:35:00.000-04:00	14532.639
2018-05-21T20:40:00.000-04:00	14521.313
2018-05-21T20:45:00.000-04:00	14515.284
2018-05-21T20:50:00.000-04:00	14405.118
2018-05-21T20:55:00.000-04:00	14336.031
2018-05-21T21:00:00.000-04:00	14242.044
2018-05-21T21:05:00.000-04:00	14104.805
2018-05-21T21:10:00.000-04:00	14024.645
2018-05-21T21:15:00.000-04:00	13946.479
2018-05-21T21:20:00.000-04:00	13872.337
2018-05-21T21:25:00.000-04:00	13751.443
2018-05-21T21:30:00.000-04:00	13665.35
2018-05-21T21:35:00.000-04:00	13572.354
2018-05-21T21:40:00.000-04:00	13451.588
2018-05-21T21:45:00.000-04:00	13319.522
2018-05-21T21:50:00.000-04:00	13186.908
2018-05-21T21:55:00.000-04:00	13067.507
2018-05-21T22:00:00.000-04:00	12905.328
2018-05-21T22:05:00.000-04:00	12773.263
2018-05-21T22:10:00.000-04:00	12699.325

2018-05-21T00:00:00.000-04:00	9780
2018-05-21T01:00:00.000-04:00	9310
2018-05-21T02:00:00.000-04:00	9060
2018-05-21T03:00:00.000-04:00	8990
2018-05-21T04:00:00.000-04:00	9220
2018-05-21T05:00:00.000-04:00	9980
2018-05-21T06:00:00.000-04:00	11400
2018-05-21T07:00:00.000-04:00	12200
2018-05-21T08:00:00.000-04:00	12230
2018-05-21T09:00:00.000-04:00	12240
2018-05-21T10:00:00.000-04:00	12350
2018-05-21T11:00:00.000-04:00	12410
2018-05-21T12:00:00.000-04:00	12760
2018-05-21T13:00:00.000-04:00	12980
2018-05-21T14:00:00.000-04:00	13210
2018-05-21T15:00:00.000-04:00	13600
2018-05-21T16:00:00.000-04:00	13720
2018-05-21T17:00:00.000-04:00	14310
2018-05-21T18:00:00.000-04:00	14550
2018-05-21T19:00:00.000-04:00	14550
2018-05-21T20:00:00.000-04:00	14720
2018-05-21T21:00:00.000-04:00	13620
2018-05-21T22:00:00.000-04:00	12080
2018-05-21T23:00:00.000-04:00	10640

Real-Time Data

System Demand

Forecasted (MW)

Actual (MW)

Fuel Mix

Internal hub Price

$16.14	Energy
$0.47	Congestion
$0.03	Line Loss
$16.64 ↓

System Status

Normal

More Real-Time Data

News

A regional first: New Englanders used less grid electricity midday than while they were sleeping on April 21

May 3, 2018

On Saturday, April 21, 2018, the right combination of sunshine and mild weather led to light consumer demand on the high-voltage electric power system, coupled with record-high output from the more than 130,000 solar power installations in the region. The result was that midday grid demand dipped below overnight demand for the first time ever in New England. Solar power also pushed past 2,300 MW for first time.

Keep Reading

ISO New England successfully completes FERC audit; no incidents of noncompliance

May 3, 2018

On April 18, 2018, ISO New England received a successful audit report from the Federal Energy Regulatory Commission (FERC) Division of Audits and Accounting (DAA). The audit evaluated the ISO’s compliance during the period of July 10, 2013, through June 30, 2017, with the ISO Open Access Transmission Tariff; FERC Order No. 1000, which established new electric transmission planning and cost allocation requirements; and FERC’s accounting, reporting, and record-retention requirements.

Keep Reading

Now online: ISO New England’s annual financial report

May 1, 2018

ISO-NE’s 2017 Financial Report includes the company’s audited financial statements preceded by a discussion and analysis of last year’s operations and impacts on our financial position. You can find it at iso-ne.com under About Us > Corporate Governance> Financial and Performance Reports.

Keep Reading

More News

Calendar

Webinar: PRD -- Real-Time Operational Expectations	May 22, 2018 10:00AM - 12:00PM
Demand Resources Working Group	May 23, 2018 9:00AM - 12:00PM
NEPOOL Transmission Committee	May 24, 2018 9:30AM - 4:00PM
Power Supply Planning Committee	May 29, 2018 9:30AM - 4:00PM
Reliability Committee - Operational Fuel-Security Analysis (CANCELLED)	May 30, 2018 9:30AM - 4:30PM

Visit the Full Calendar

Today’s Snapshot

AS OF 05/21/2018 08:16 AM

19,396

AvailableCapacity (MW)

14,720

Forecasted PeakDemand (MW)

2,151

SurplusCapacity (MW)

13,719

Yesterday's PeakDemand (MW)

Real-Time Data

System Demand

Fuel Mix

Internal hub Price

System Status

News

Error loading event list

Calendar

Reliability Committee - Operational Fuel-Security Analysis (CANCELLED)

Today’s
Snapshot

Available
Capacity (MW)

Forecasted Peak
Demand (MW)

Surplus
Capacity (MW)

Yesterday's Peak
Demand (MW)