Next Day Operational Capacity Report

In this section

Related Links

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
07/29/2025 15:53 EDT

Today's Information

2. Operable Capacity Analysis			(MW)
A. Capacity Supply Obligation (CSO)			26,074
B. Capacity Additions EcoMax Bid > CSO			1,190
C. Generation Outages and Reductions (Planned + Forced)			1,251
	Planned Outages and Reductions	119
	Forced Outages and Reductions	1,132
D. Uncommitted Available Generation (non-fast-start)			378
E. DRR Capacity			219
F. Uncommitted Available DRR			12
G. Capacity Deliveries: Net Purchases = (-) Net Sales = (+)
	Highgate	-225
	NB	-370
	NECEC	0
	NY小草社区AC	-1,021
	NY小草社区CSC	330
	NY小草社区NNC	-104
	Phase 2	-1,917
	Net Deliveries		-3,307
H. Total Available Capacity (A+B-C-D+E-F-G)			29,149
I. Peak Load Forecast For Hour Ending 19			23,300
J. Total Operating Reserve Requirement			2,924
K. Capacity Required = I+J			26,224
L. Surplus = (+) Deficiency = (-) (H - K)			2,925
M. Replacement Reserve Requirement			160
N. Excess Commitment Surplus = (+) Deficiency = (-) (L - M)			2,765

3. Largest First Contingency	(MW)
____	1,917

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

5. Reserve Summary	(MW)
Ten Minute Reserve Requirement:	2,300
Ten Minute Reserve Estimate:	2,300
Thirty Minute Reserve Requirement:	624
Thirty Minute Reserve Estimate:	3,549
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	-600	400	-370
NECEC	0	0	0
NY小草社区AC	-1,400	1,200	-1,021
NY小草社区CSC	-346	330	330
NY小草社区NNC	-125	125	-104
Phase 2	-2,000	1,200	-1,917

7. Weather Forecast Summary for the Peak Hour
CITY	CONDITIONS	WIND	HIGH TEMP (掳F)
Boston	Thunderstorms	S-10	85
Hartford	Thunderstorms	SW-8	87

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

9. REPORT COMMENTS

Report Generated 07/29/2025 15:53 EDT

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