- Short term commitments (forecast) of price
- Seasonal average and distribution of price
- Historical trade area and regional price analysis
- Congestion and loss analysis for investments
- Day Ahead Trading
ERCOT (Texas) Hourly Day Ahead Market SPP Prices
This data product provides the Hourly Settlement Point Prices (SPPs) for each of the Hubs and Load Zones in $/MWh in Day-Ahead Market (DAM).
The day-ahead market provides a demand-side opportunity to adjust load depending on price levels. The demand side has started to engage actively in the market and thus has the opportunity to adjust against fluctuating price patterns. Market members and market participants can balance their own portfolios by participating in the Day-Ahead Market. This allows participants to present a more balanced structure to the market and decrease of imbalances of generation/consumption of units within their portfolios.
It is not compulsory to participate in the Day-Ahead Market. This makes the market more interesting for traders as well as investors.
List of Load Zones and Hubs covered in this data product:
1. Load Zones
A group of Electrical Buses. Every Electrical Bus in ERCOT with a Load must be assigned to a Load Zone for Settlement purposes. A Non-Opt-In Entity (NOIE) Load Zone is a type of Load Zone.
|Load Zone Id||Name|
|LZ_LCRA||Lower Colorado River Authority|
|LZ_RAYBN||Rayburn Electric Cooperative|
An energized Electrical Bus or group of energized Electrical Buses defined as a single element. The Locational Marginal Price (LMP) of the Hub Bus is the simple average of the LMPs assigned to each energized Electrical Bus on the Hub Bus. A designated Settlement Point consisting of a Hub Bus or group of Hub Buses and the associated Settlement price calculation methodology. The list of Hub Buses and the Settlement price calculation methodology that defines a Hub can never be modified, and a Hub, once defined, exists in perpetuity.
Data Collection Methodology:
- Data is updating from its source every day three times a day including after midnight.
- It is unified to provide a clean, organized data for both historical and current dates of the operation - ready for analysis.
- All date and hours are quality checked for consistency and completeness steps.
The Electric Reliability Council of Texas (ERCOT) manages the flow of electric power to more than 26 million Texas customers - representing about 90 percent of the state's electric load. As the independent system operator for the region, ERCOT schedules power on an electric grid that connects more than 46,500 miles of transmission lines and 650+ generation units. It also performs financial settlement for the competitive wholesale bulk-power market and administers retail switching for 8 million premises in competitive choice areas. ERCOT is a membership-based 501(c)(4) nonprofit corporation, governed by a board of directors and subject to oversight by the Public Utility Commission of Texas and the Texas Legislature.
Related Data Products
- Includes hourly price in $/MWh
- Updated daily by 10 AM UTC (4:00 AM Central Standard Time)
- Historical data since 2011
- Covers 7 Hubs, 8 Load Zones
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