Next Day Operational Capacity Report

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Produced daily, the Next Day Operational Capacity Report provides the ISO's best estimate of the next day's expected capacity available to meet peak-hour electricity demand and reserve requirements - key parameters used to operate the power system reliably. For the weekly forecast, see the Seven-Day Capacity Forecast.

View the Next Day Operational Capacity Report below or Download a CSV file. Hover over items for an explanation.

Next Day Operational Capacity Report

1. Report Date
07/12/2025 15:45 EDT

Today's Information

2. Operable Capacity Analysis			(MW)
A. Capacity Supply Obligation (CSO)			26,074
B. Capacity Additions EcoMax Bid > CSO			1,082
C. Generation Outages and Reductions (Planned + Forced)			1,022
	Planned Outages and Reductions	158
	Forced Outages and Reductions	864
D. Uncommitted Available Generation (non-fast-start)			4,353
E. DRR Capacity			187
F. Uncommitted Available DRR			12
G. Capacity Deliveries: Net Purchases = (-) Net Sales = (+)
	Highgate	-205
	NB	-147
	NECEC	0
	NY小草社区AC	-141
	NY小草社区CSC	330
	NY小草社区NNC	-35
	Phase 2	-673
	Net Deliveries		-871
H. Total Available Capacity (A+B-C-D+E-F-G)			22,827
I. Peak Load Forecast For Hour Ending 19			17,600
J. Total Operating Reserve Requirement			2,113
K. Capacity Required = I+J			19,713
L. Surplus = (+) Deficiency = (-) (H - K)			3,114
M. Replacement Reserve Requirement			160
N. Excess Commitment Surplus = (+) Deficiency = (-) (L - M)			2,954

3. Largest First Contingency	(MW)
____	1,249

4. Annual Maintenance Schedule (A.M.S.)	(MW)
Peak Load Exposure	24,803

5. Reserve Summary	(MW)
Ten Minute Reserve Requirement:	1,499
Ten Minute Reserve Estimate:	1,499
Thirty Minute Reserve Requirement:	614
Thirty Minute Reserve Estimate:	3,728
Expected Actions of OP 4:	0
Additional Capacity Available from OP 4 Actions:	0

6. Interchange Summary
	Transfer Limit In (MW)	Transfer Limit Out (MW)	Expected Contract (MW)
Highgate	-225	0	-205
NB	-1,000	200	-147
NECEC	0	0	0
NY小草社区AC	-1,400	1,200	-141
NY小草社区CSC	-346	330	330
NY小草社区NNC	-125	125	-35
Phase 2	-2,000	1,200	-673

7. Weather Forecast Summary for the Peak Hour
CITY	CONDITIONS	WIND	HIGH TEMP (掳F)
Boston	Mostly Clear	SE-13	77
Hartford	Partly Cloudy	S-11	81

8. Units Committed to Meet Minimum Operating Reserve and Replacement Reserve Requirements	(MW)
0 Units	0

9. REPORT COMMENTS

Report Generated 07/12/2025 15:45 EDT

Download a CSV file of this Next Day Operational Capacity Report .