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
01/20/2026 15:57 EST

Today's Information

2. Operable Capacity Analysis			(MW)
A. Capacity Supply Obligation (CSO)			27,360
B. Capacity Additions EcoMax Bid > CSO			1,727
C. Generation Outages and Reductions (Planned + Forced)			2,422
	Planned Outages and Reductions	72
	Forced Outages and Reductions	2,350
D. Uncommitted Available Generation (non-fast-start)			6,981
E. DRR Capacity			185
F. Uncommitted Available DRR			12
G. Capacity Deliveries: Net Purchases = (-) Net Sales = (+)
	Highgate	-225
	NB	-123
	NECEC	-1,117
	NYISO AC	-1,600
	NYISO CSC	180
	NYISO NNC	-35
	Phase 2	-444
	Net Deliveries		-3,364
H. Total Available Capacity (A+B-C-D+E-F-G)			23,221
I. Peak Load Forecast For Hour Ending 18			18,650
J. Total Operating Reserve Requirement			2,125
K. Capacity Required = I+J			20,775
L. Surplus = (+) Deficiency = (-) (H - K)			2,446
M. Replacement Reserve Requirement			180
N. Excess Commitment Surplus = (+) Deficiency = (-) (L - M)			2,266

3. Largest First Contingency	(MW)
____	1,251

4. Annual Maintenance Schedule (A.M.S.)	(MW)
Peak Load Exposure	20,056

5. Reserve Summary	(MW)
Ten Minute Reserve Requirement:	1,501
Ten Minute Reserve Estimate:	1,501
Thirty Minute Reserve Requirement:	624
Thirty Minute Reserve Estimate:	3,070
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	-225
NB	-1,000	200	-123
NECEC	-1,250	0	-1,117
NYISO AC	-1,600	1,200	-1,600
NYISO CSC	-346	330	180
NYISO NNC	-160	-160	-35
Phase 2	-2,000	1,200	-444

7. Weather Forecast Summary for the Peak Hour
CITY	CONDITIONS	WIND	HIGH TEMP (°F)
Boston	Partly cloudy	SW 7	32
Hartford	Partly cloudy	S 7	31

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

9. REPORT COMMENTS

Report Generated 01/20/2026 15:57 EST

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