Settlement pointERCOT · Coast zonenode:SAH_RN
SAH_RN
SAH_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 SAH_RN.
- Grid location
- Coast zone
Map coordinate 29.4574, -95.3088.
- Nearest power plant
- Tortolas
3.9 miles away · 50 MW · batteries
- Price record
- 74,620 price intervals · avg $29/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
$22.74$/MWh
Jul 21, 8:00 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, -95.309
- Node id
- SAH_RN
Price statistics
74,620 intervalsAvg $/MWh
$29
Median
$25
99th pct
$142
Max spike
$1,372
Spikes > $1000
5
% negative
2.7%
Average price$29/MWh
$0more expensive than 23% of nodes$39+
Volatility$33/MWh
$0more volatile than 32% of nodes$58+
Negative-price hours2.7%
0.0%more often negative than 43% of nodes16.9%+
Average price by hourlocal time · trailing 90 days
0:006:0012:0018:0024:00
Recent pricehourly average · last 14 days
SAH_RN RT LMP22.74$/MWh