System Ancillary Service Capacity Monitor
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Last Updated: Oct 25, 2025 14:47:45
Responsive Reserve Capacity (MW)
Generation Resources 1,373
Load Resources excluding Controllable Load Resources 875
Unprocured additional capacity from Load Resources excluding Controllable Load Resources 393
Controllable Load Resources 0
Resources capable of Fast Frequency Response 380
Deployed Generation Resources and Controllable Load Resources 0
Responsive Reserve Responsibility (MW)
Generation Resources 1,373
Load Resources excluding Controllable Load Resources 908
Resources capable of Fast Frequency Response 380
Controllable Load Resources 0
ERCOT Contingency Reserve Capacity (MW)
Generation Resources 754
Load Resources excluding Controllable Load Resources 308
Controllable Load Resources 0
Quick Start Generation Resources 517
Deployed Generation Resources and Load Resources 0
ERCOT Contingency Reserve Responsibility (MW)
Generation Resources 774
Load Resources excluding Controllable Load Resources 308
Controllable Load Resources 0
Quick Start Generation Resources 517
Non-Spin Reserve Capacity (MW)
On-Line Generation Resources With Energy Offer Curves including Quick Start Generation Resources 171
On-Line Generation Resources with Output Schedules 0
Undeployed Load Resources 0
Off-Line Generation Resources 1,533
Non-Spin Reserve Responsibility (MW)
On-Line Generation Resources with Energy Offer Curves 236
On-Line Generation Resources with Output Schedules 0
Load Resources 147
Off-Line Generation Resources excluding Quick Start Generation Resources 1,533
Quick Start Generation Resources 171
Regulation Capacity (MW)
Undeployed Reg-Up 570
Undeployed Reg-Down 451
Deployed Reg-Up 0
Deployed Reg-Down 11
Regulation Responsibility (MW)
Reg-Up 570
Reg-Down 461
System Available Capacity (MW)
Capacity from Controllable Load Resources available to decrease Base Points (energy consumption) in SCED -5,331
Capacity from Controllable Load Resources available to increase Base Points (energy consumption) in SCED 512
Capacity with Energy Offer Curves available to increase Generation Resource Base Points in SCED 13,830
Capacity with Energy Offer Curves available to decrease Generation Resource Base Points in SCED -39,963
Capacity without Energy Offer Curves available to increase Generation Resource Base Points in SCED 14
Capacity without Energy Offer Curves available to decrease Generation Resource Base Points in SCED -977
Capacity available to increase Generation Resource Base Points in the next 5 minutes in SCED (HDL) 10,314
Capacity available to decrease Generation Resource Base Points in the next 5 minutes in SCED (LDL) -24,848
ERCOT-wide Physical Responsive Capability
ERCOT-wide Physical Responsive Capability (PRC) 13,087
Real-Time Operating Reserve Demand Curve Capacity (MW)
Real-Time On-Line reserve capacity 18,555
Real-Time On-Line and Off-Line reserve capacity 23,979
EMR, OUT, and OUTL Capacity (MW)
Aggregate telemetered HSL capacity for Resources with a telemetered Resource Status of EMR 454
Aggregate telemetered HSL capacity for Resources with a telemetered Resource Status of OUT 14,688
Aggregate net telemetered consumption for Resources with a telemetered Resource Status of OUTL 1,896