Settlement pointERCOT · Southern zonenode:COTULLA_RN
COTULLA_RN
COTULLA_RN is an ERCOT settlement point in ERCOT's Southern zone near Caterina and Elara Solar. It records locational marginal prices at this point on the grid; Ask the Grid tracks its five-minute real-time prices, day-ahead prices, historical price shape, and 24-hour Metiscast forecast.
Asset facts
Market identity, price telemetry, and nearby grid context.
- Settlement point
- Settlement point
ERCOT market identifier COTULLA_RN.
- Grid location
- Southern zone
Map coordinate 28.4616, -99.2515.
- Nearest power plant
- Caterina
27 miles away · 9.9 MW · batteries
- Price record
- 167,738 price intervals · avg $35/MWh · 365 day window
Real-time LMP, day-ahead price, hourly shape, and fleet-relative statistics.
Local grid context
Assets and settlement points nearest this location in ERCOT's Southern zone.
Nearby power plants
Price behavior
Real-time price history, price shape, and fleet-relative statistics.
Latest real-time LMP
$25.73$/MWh
Jul 21, 6:00 PM UTC
ERCOT day-ahead prices are market settlements, not model predictions. Error statistics compare completed delivery hours with hourly real-time LMP averages.
Settlement pointmoderate volatility
- Zone
- Southern
- Location
- 28.462, -99.252
- Node id
- COTULLA_RN
Price statistics
167,738 intervalsAvg $/MWh
$35
Median
$27
99th pct
$168
Max spike
$1,378
Spikes > $1000
23
% negative
2.4%
Average price$35/MWh
$0more expensive than 84% of nodes$39+
Volatility$39/MWh
$0more volatile than 45% of nodes$58+
Negative-price hours2.4%
0.0%more often negative than 36% of nodes16.9%+
Average price by hourlocal time · trailing 90 days
0:006:0012:0018:0024:00
Recent pricehourly average · last 14 days
COTULLA_RN RT LMP25.73$/MWh