System Ancillary Service Capacity Monitor
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Last Updated: Sep 18, 2025 10:59:25
Responsive Reserve Capacity (MW)
Generation Resources 1,371
Load Resources excluding Controllable Load Resources 877
Unprocured additional capacity from Load Resources excluding Controllable Load Resources 445
Controllable Load Resources 5
Resources capable of Fast Frequency Response 123
Deployed Generation Resources and Controllable Load Resources 0
Responsive Reserve Responsibility (MW)
Generation Resources 1,372
Load Resources excluding Controllable Load Resources 900
Resources capable of Fast Frequency Response 123
Controllable Load Resources 5
ERCOT Contingency Reserve Capacity (MW)
Generation Resources 1,061
Load Resources excluding Controllable Load Resources 290
Controllable Load Resources 6
Quick Start Generation Resources 742
Deployed Generation Resources and Load Resources 0
ERCOT Contingency Reserve Responsibility (MW)
Generation Resources 1,122
Load Resources excluding Controllable Load Resources 292
Controllable Load Resources 6
Quick Start Generation Resources 742
Non-Spin Reserve Capacity (MW)
On-Line Generation Resources With Energy Offer Curves including Quick Start Generation Resources 73
On-Line Generation Resources with Output Schedules 2
Undeployed Load Resources 0
Off-Line Generation Resources 1,919
Non-Spin Reserve Responsibility (MW)
On-Line Generation Resources with Energy Offer Curves 228
On-Line Generation Resources with Output Schedules 0
Load Resources 126
Off-Line Generation Resources excluding Quick Start Generation Resources 1,919
Quick Start Generation Resources 73
Regulation Capacity (MW)
Undeployed Reg-Up 505
Undeployed Reg-Down 410
Deployed Reg-Up 0
Deployed Reg-Down 101
Regulation Responsibility (MW)
Reg-Up 505
Reg-Down 511
System Available Capacity (MW)
Capacity from Controllable Load Resources available to decrease Base Points (energy consumption) in SCED -3,668
Capacity from Controllable Load Resources available to increase Base Points (energy consumption) in SCED 3,329
Capacity with Energy Offer Curves available to increase Generation Resource Base Points in SCED 23,251
Capacity with Energy Offer Curves available to decrease Generation Resource Base Points in SCED -42,268
Capacity without Energy Offer Curves available to increase Generation Resource Base Points in SCED 35
Capacity without Energy Offer Curves available to decrease Generation Resource Base Points in SCED -2,052
Capacity available to increase Generation Resource Base Points in the next 5 minutes in SCED (HDL) 11,125
Capacity available to decrease Generation Resource Base Points in the next 5 minutes in SCED (LDL) -31,203
ERCOT-wide Physical Responsive Capability
ERCOT-wide Physical Responsive Capability (PRC) 14,401
Real-Time Operating Reserve Demand Curve Capacity (MW)
Real-Time On-Line reserve capacity 28,287
Real-Time On-Line and Off-Line reserve capacity 34,752
EMR, OUT, and OUTL Capacity (MW)
Aggregate telemetered HSL capacity for Resources with a telemetered Resource Status of EMR 457
Aggregate telemetered HSL capacity for Resources with a telemetered Resource Status of OUT 7,283
Aggregate net telemetered consumption for Resources with a telemetered Resource Status of OUTL 2,291