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
10/09/2025 16:00 EDT

Today's Information

2. Operable Capacity Analysis			(MW)
A. Capacity Supply Obligation (CSO)			26,747
B. Capacity Additions EcoMax Bid > CSO			1,216
C. Generation Outages and Reductions (Planned + Forced)			7,066
	Planned Outages and Reductions	5,450
	Forced Outages and Reductions	1,616
D. Uncommitted Available Generation (non-fast-start)			4,080
E. DRR Capacity			182
F. Uncommitted Available DRR			12
G. Capacity Deliveries: Net Purchases = (-) Net Sales = (+)
	Highgate	0
	NB	-226
	NECEC	0
	NYISO AC	-159
	NYISO CSC	330
	NYISO NNC	0
	Phase 2	0
	Net Deliveries		-55
H. Total Available Capacity (A+B-C-D+E-F-G)			17,042
I. Peak Load Forecast For Hour Ending 20			13,300
J. Total Operating Reserve Requirement			2,108
K. Capacity Required = I+J			15,408
L. Surplus = (+) Deficiency = (-) (H - K)			1,634
M. Replacement Reserve Requirement			160
N. Excess Commitment Surplus = (+) Deficiency = (-) (L - M)			1,474

3. Largest First Contingency	(MW)
____	1,245

4. Annual Maintenance Schedule (A.M.S.)	(MW)
Peak Load Exposure	15,802

5. Reserve Summary	(MW)
Ten Minute Reserve Requirement:	1,494
Ten Minute Reserve Estimate:	1,494
Thirty Minute Reserve Requirement:	614
Thirty Minute Reserve Estimate:	2,248
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	100	0
NB	-625	400	-226
NECEC	0	0	0
NYISO AC	-1,400	1,200	-159
NYISO CSC	-346	330	330
NYISO NNC	-125	125	0
Phase 2	0	0	0

7. Weather Forecast Summary for the Peak Hour
CITY	CONDITIONS	WIND	HIGH TEMP (°F)
Boston	Clear	S-11	54
Hartford	Clear	S-6	51

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

9. REPORT COMMENTS

Report Generated 10/09/2025 16:00 EDT

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