Settlement pointERCOT · SouthCentral zonenode:BIGSTAR_ALL
BIGSTAR_ALL
BIGSTAR_ALL is an ERCOT settlement point in ERCOT's SouthCentral zone near 7V Solar Ranch and Sim Gideon. 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 BIGSTAR_ALL.
- Grid location
- SouthCentral zone
Map coordinate 29.8948, -97.2710.
- Nearest power plant
- 7V Solar Ranch
13 miles away · 240 MW · solar
- Price record
- 167,669 price intervals · avg $33/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 South Central zone.
Nearby power plants
Price behavior
Real-time price history, price shape, and fleet-relative statistics.
Latest real-time LMP
$21.04$/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 pointmoderate volatility
- Zone
- SouthCentral
- Location
- 29.895, -97.271
- Node id
- BIGSTAR_ALL
Price statistics
167,669 intervalsAvg $/MWh
$33
Median
$26
99th pct
$151
Max spike
$1,380
Spikes > $1000
14
% negative
1.9%
Average price$33/MWh
$0more expensive than 77% of nodes$39+
Volatility$37/MWh
$0more volatile than 39% of nodes$58+
Negative-price hours1.9%
0.0%more often negative than 18% of nodes16.9%+
Average price by hourlocal time · trailing 90 days
0:006:0012:0018:0024:00
Recent pricehourly average · last 14 days
BIGSTAR_ALL RT LMP21.04$/MWh