Settlement pointERCOT · Southern zonenode:DUKE_GST1CCU
DUKE_GST1CCU
DUKE_GST1CCU is an ERCOT settlement point in ERCOT's Southern zone near Hidalgo Energy Center and Magic Valley Generating Station. 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 DUKE_GST1CCU.
- Grid location
- Southern zone
Map coordinate 26.3427, -98.1762.
- Nearest power plant
- Hidalgo Energy Center
0.1 miles away · 495 MW · natural gas
- Price record
- 167,654 price intervals · avg $28/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
Hidalgo Energy Center495 MW · natural gas · Hidalgo County0.1 miMagic Valley Generating Station667 MW · natural gas · Hidalgo County0.9 miWAL38861.2 MW · natural gas · Hidalgo County5.5 miRed Gate Power Plant219.6 MW · natural gas · Hidalgo County7.5 miWAL4521.2 MW · natural gas · Hidalgo County8.0 mi
Price behavior
Real-time price history, price shape, and fleet-relative statistics.
Latest real-time LMP
$22.92$/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
- Southern
- Location
- 26.343, -98.176
- Node id
- DUKE_GST1CCU
Price statistics
167,654 intervalsAvg $/MWh
$28
Median
$25
99th pct
$113
Max spike
$1,380
Spikes > $1000
5
% negative
4.1%
Average price$28/MWh
$0more expensive than 17% of nodes$39+
Volatility$29/MWh
$0more volatile than 12% of nodes$58+
Negative-price hours4.1%
0.0%more often negative than 58% of nodes16.9%+
Average price by hourlocal time · trailing 90 days
0:006:0012:0018:0024:00
Recent pricehourly average · last 14 days
DUKE_GST1CCU RT LMP22.92$/MWh