Settlement pointERCOT · Coast zonenode:JAR_RN
JAR_RN
JAR_RN is an ERCOT settlement point in ERCOT's Coast zone near Tortolas and Alvin. 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 JAR_RN.
- Grid location
- Coast zone
Map coordinate 29.4569, -95.3115.
- Nearest power plant
- Tortolas
4.0 miles away · 50 MW · batteries
- Price record
- 167,643 price intervals · avg $31/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 Coast zone.
Nearby power plants
Price behavior
Real-time price history, price shape, and fleet-relative statistics.
Latest real-time LMP
$24.75$/MWh
Jul 21, 5:00 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 pointlow volatility
- Zone
- Coast
- Location
- 29.457, -95.311
- Node id
- JAR_RN
Price statistics
167,643 intervalsAvg $/MWh
$31
Median
$25
99th pct
$125
Max spike
$1,372
Spikes > $1000
8
% negative
1.9%
Average price$31/MWh
$0more expensive than 45% of nodes$39+
Volatility$28/MWh
$0more volatile than 7% of nodes$58+
Negative-price hours1.9%
0.0%more often negative than 20% of nodes16.9%+
Average price by hourlocal time · trailing 90 days
0:006:0012:0018:0024:00
Recent pricehourly average · last 14 days
JAR_RN RT LMP24.75$/MWh