ISO New England - Real-Time Maps and Charts

Real-Time Maps and Charts

System Load Graph

Date: 04/10/2025  
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Created with Highcharts 7.1.2TimeMW05060708091011121314151617181920212223Ap…Apr 11010203048k10k12k14k16k
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Forecast
    
Actual
    
Cleared
    
Prior-Day
    
Actual Including Pump Load
    
Actual Including Estimated Behind-the-Meter Solar
Data

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Updated: 04/10/2025 10:28 PM

Five-Minute Real-Time LMP Graph

Date: 04/10/2025  
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Created with Highcharts 7.1.2Time$/MWh$/MWh040506070809101112131415161718192021222436486072
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.h.HUB.LMP
Zones/Interfaces
    
    
    
    
    
Data (Left Y-Axis)
Data (Right Y-Axis)
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Updated: 04/10/2025 10:28 PM

Resource Mix Graph

Date: 04/10/2025  
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Resources Renewables
 
 
 
 
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Created with Highcharts 7.1.2TimeMW05060708091011121314151617181920212202.5k5k7.5k10k
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Coal
    
Hydro
    
Natural Gas
    
Net Imports
    
Nuclear
    
Oil
    
Renewables
    
Other
Fuel Category
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Updated: 04/10/2025 10:28 PM

Estimated CO₂ Emissions

Date: 04/10/2025  
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Created with Highcharts 7.1.2TimeCO₂ (Metric Tons/min)050607080910111213141516171819202122400206080
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Total
    
Coal
    
Natural Gas
    
Oil
    
Refuse
    
Landfill Gas
    
Wood
Updated: 04/10/2025 10:28 PM

Five-Minute Real-Time LMP List

All Zones Interfaces
 
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Zone/Interface Energy Cong Loss LMP
 
.H.INTERNAL_HUB$35.19$0.00$0.34$35.53 
 
.Z.MAINE$35.19$0.00$-1.19$34.00 
 
.Z.NEWHAMPSHIRE$35.19$0.00$-0.13$35.06 
 
.Z.VERMONT$35.19$0.00$0.51$35.70 
 
.Z.CONNECTICUT$35.19$0.00$-0.16$35.03 
 
.Z.RHODEISLAND$35.19$0.00$-0.19$35.00 
 
.Z.SEMASS$35.19$0.00$0.40$35.59 
 
.Z.WCMASS$35.19$0.00$0.35$35.54 
 
.Z.NEMASSBOST$35.19$0.00$0.31$35.50 
 
.I.SALBRYNB345 1$35.19$0.00$-1.83$33.36 
 
.I.ROSETON 345 1$35.19$0.00$-0.29$34.90 
 
.I.HQ_P1_P2345 5$35.19$0.00$-0.41$34.78 
 
.I.HQHIGATE120 2$35.19$0.00$0.90$36.09 
 
.I.SHOREHAM138 99$35.19$0.00$0.63$35.82 
 
.I.NRTHPORT138 5$35.19$0.00$-0.10$35.09 
13449.36
New England Load (MW)
Updated: 04/10/2025 10:28 PM

Three-Day System Demand Forecast

Date: 04/10/2025  
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Thu 04/10Fri 04/11Sat 04/12
Hour
End		 MWh MWh MWh
01114101094010970
02111001060010670
03109901042010420
04110201044010330
05113001091010520
06122601176010890
07135901304011360
08135601363011890
09121101353012370
1099901281012500
1193801235012480
1288301187012500
1386901135012500
1489701127012520
1592001139012480
16100201175012680
17112801230013020
18126701307013450
19137401365013760
20142001400013900
21140501371013620
22133601308013060
23123701226012280
24114801147011570
Updated: 04/10/2025 10:28 PM

Hourly LMP Graph

Date: 04/10/2025  
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Created with Highcharts 7.1.2Time$/MWh$/MWh040506070809101112131415161718192021223035404550
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RT-.h.HUB.LMP
Types: 
Zones/Interfaces
    
    
    
    
    
Data (Left Y-Axis)
Data (Right Y-Axis)
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Updated: 04/10/2025 10:28 PM

Reserve Prices Graph

Date: 04/10/2025  
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Created with Highcharts 7.1.2Time$/MWh0405060708091011121314151617181920212202468
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ROS.TMSR
    
SWCT.TMSR
    
CT.TMSR
    
NEMABSTN.TMSR
Period:       
Zones
    
    
    
    
    
Data
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Updated: 04/10/2025 10:28 PM

Resource Mix Chart

Resources Renewables
 
 
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Created with Highcharts 7.1.262%16%11%6%5%
62%
    
Natural Gas
16%
    
Nuclear
11%
    
Hydro
6%
    
Net Imports
5%
    
Renewables
<1%
    
Other
Marginal Fuel: Natural Gas
Updated: 04/10/2025 10:28 PM

External Interfaces Graph

Date: 04/10/2025  
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Created with Highcharts 7.1.2TimeMW04050607080910111213141516171819202122-4000-800400800
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.I.SALBRYNB345 1.Actual Flow
    
.I.ROSETON 345 1.Actual Flow
    
.I.HQ_P1_P2345 5.Actual Flow
    
.I.HQHIGATE120 2.Actual Flow
    
.I.SHOREHAM138 99.Actual Flow
    
.I.NRTHPORT138 5.Actual Flow
Interfaces
    
    
    
    
    
    
    
Data
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Updated: 04/10/2025 10:28 PM

Morning Report

Date: 04/10/2025  
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Report Date Thursday, April 10, 2025
Peak Load(MW)
Thursday, April 10, 2025 hour ending 01 14378
Operable Capacity Analysis(MW)
A. Capacity Supply Obligation (CSO) 27710
B. Capacity Additions EcoMax Bid > CSO 908
C. Generation Outages and Reductions 5898
D. Uncommitted Available Generation (non fast start) 5399
E. DRR Capacity 226
F. Uncommitted Available DRR 12
G. Capacity Deliveries: Net Purchases = (-) Net Sales = (+)
Highgate0
NB-207
NYISO AC-1262
NYISO CSC0
NYISO NNC20
Phase 2-930
Net Deliveries -2379
H. Total Available Capacity (A+B-C-D+E-F-G) 19914
I. Peak Load Forecast For Hour Ending 00 14200
J. Total Operating Reserve Requirement 1963
K. Capacity Required 16163
L. Surplus = (+) Deficiency = (-) (H - K) 3751
M. Replacement Reserve Requirement 160
N. Excess Commitment Surplus = (+) Deficiency = (-) (L - M) 3591
Largest First Contingency (MW) 1248
Annual Maintenance Schedule (A.M.S)(MW)
Peak Load Exposure 16267
Reserve Summary(MW)
Ten Minute Reserve Requirement 1498
Ten Minute Reserve Estimate 1498
Thirty Minute Reserve Requirement 465
Thirty Minute Reserve Estimate 4216
Expected Actions of OP 4 0
Additional Capacity Available from OP 4 Actions 0
Interchange Summary(MW)(MW)(MW)
TRANSFER
LIMIT IN		 TRANSFER
LIMIT OUT		 SCHEDULED
CONTRACT
Highgate-2251000
NB-675200-207
NYISO AC-1600900-1262
NYISO CSC-3463300
NYISO NNC-16016020
Phase 2-18000-930
Weather Forecast Summary for the Peak Hour
CITY CONDITIONS WIND HIGH TEMP(F)
BostonMostly CloudyS 1146
HartfordCloudyS1045
NYISO SAR Available YES
Total Capacity of Non-Commercial Units (MW) 0
Units Committed to Meet Minimum Operating Reserve and Replacement Reserve Requirements(MW)
0 units 0
Geomagnetic Disturbance Activity
Forecast -
Alert -
Intensity -
Observed Activity -
Actions Taken or Planned by ISO-NE None
Actions Taken or Planned by Other Control Areas None
Updated: 04/10/2025 10:28 PM

Seven-Day Capacity Forecast

Date: 04/10/2025  
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Report Date Thursday, April 10, 2025
Day 2Day 3Day 4Day 5Day 6Day 7
ThuFriSatSunMonTue
04/1004/1104/1204/1304/1404/15
Weather
High Temperature - Boston474642475664
Dew Point - Boston273337384041
High Temperature - Hartford515144526566
Dew Point - Hartford253132363739
Generating Capacity position
Total Capacity Supply Obligation (CSO) 277102771027710277102771027710
Anticipated Cold Weather Outages 000000
Other Generation Outages 751873458535805482768303
Anticipated De-List MW Offered 163316331633163316331633
Total Generation Available 218252199820808212892106721040
Import at Time of Peak 305530552855285530553055
Total Available Generation and Imports 248802505323663241442412224095
Projected Peak Load 142001370013750136501355013450
Replacement Reserve Requirement 160160160160160160
Required Reserve 230423042100210023042304
Required Reserve including Replacement 246424642260226024642464
Total Load plus Required Reserve 166641616416010159101601415914
Projected Surplus/(Deficiency) 821688897653823481088181
Available Demand Response Resources 300300300300300300
Available Real-Time Emergency Generation ------
Load Relief Actions Anticipated
Power Watch NONONONONONO
Power Warning NONONONONONO
Cold Weather Watch NONO----
Cold Weather Warning NONO----
Cold Weather Event NONO----
Updated: 04/10/2025 10:28 PM

LMP Map: Real-Time

NE Energy:  $35.19
System Demand:  13451 MW
Created with Raphaël 2.0.0$34.00$35.06$35.70$35.03$35.00$35.59$35.54$35.50NB$33.36NYISO AC$34.90Phase 2$34.78Highgate$36.09NYISO CSC$35.82NYISO NNC$35.09Hub$35.53NYISO MAP
Sampling Period: 04/10/2025 10:25 PM
Binding Constraints -
BASE_INTRFC_TIVRTN

System Load

Created with Highcharts 7.1.2TimeMW061218Apr 118k10k12k14k16k
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Updated: 04/10/2025 10:28 PM

Power System Conditions

RegionStatusTime In
 
New EnglandNormal
 
Updated: 04/10/2025 10:28 PM