Walstrom BESS (Sealy BESS)
Walstrom BESS (Sealy BESS) is the ERCOT market pricing point associated with Sealy BESS, a 200 MW batteries facility in Austin County. It is a pricing location, not the physical plant itself; its locational marginal price represents the marginal value of electricity at this point on the grid.
- Current real-time LMP
- $41.71
- Latest · Nov 11, 6:00 AM CST
- Typical price
- $37/MWh average
- $32/MWh median · trailing 365 days
- Grid location
- Coast zone
- Market pricing location
- Mapped facility
- Sealy BESS
- 200 MW batteries · ERCOT crosswalk
What happened
Operator events at this pricing point, and outages of the units that settle here with what each did to its price.
Price
Real-time price history, price shape, and fleet-relative statistics.
Why this location matters
The trailing median price is $32/MWh and the mean is $37/MWh, but the tail is much sharper: 6 five-minute intervals exceeded $1,000/MWh over the last 365 days, and 0.5% of intervals settled below zero.
ERCOT’s resource crosswalk ties this pricing point to Sealy BESS, a 200 MW batteries facility. That relationship identifies the plant’s associated market location; the settlement point is still a price record, not the physical plant itself.
- Zone
- Coast
- Location
- 29.848, -96.199
- Settlement point
- WAL_RN
Price statistics
636,378 intervalsAverage price ranks at the 50th percentile among 1,095 market nodes.
Volatility ranks at the 8th percentile among 1,095 market nodes.
Negative-price hours ranks at the 10th percentile among 1,095 market nodes.