Settlement pointERCOT · West zonenode:BIGSAMWD_RN
BIGSAMWD_RN
BIGSAMWD_RN is an ERCOT settlement point in ERCOT's West zone near Desert Sky and Shamrock Wind. 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 BIGSAMWD_RN.
- Grid location
- West zone
Map coordinate 30.9240, -101.8701.
- Nearest power plant
- Desert Sky
13 miles away · 167.7 MW · wind
- Price record
- 167,663 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 West zone.
Nearby power plants
Price behavior
Real-time price history, price shape, and fleet-relative statistics.
Latest real-time LMP
$22.29$/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 pointhigh volatility
- Zone
- West
- Location
- 30.924, -101.870
- Node id
- BIGSAMWD_RN
Price statistics
167,663 intervalsAvg $/MWh
$31
Median
$25
99th pct
$171
Max spike
$1,386
Spikes > $1000
38
% negative
11.4%
Average price$31/MWh
$0more expensive than 50% of nodes$39+
Volatility$44/MWh
$0more volatile than 76% of nodes$58+
Negative-price hours11.4%
0.0%more often negative than 84% of nodes16.9%+
Average price by hourlocal time · trailing 90 days
0:006:0012:0018:0024:00
Recent pricehourly average · last 14 days
BIGSAMWD_RN RT LMP22.29$/MWh