ERCOT (Texas) 15 Min. Real Time Market Prices

Hubs and Load Zones
Updated Daily
Settlement Point Prices
Since 2010

15 minutes Settlement Point Prices (SPPs) for Load Zones and Hubs in $/MWh

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Charts of ERCOT (Texas) 15 Min. Real Time Market Prices

Applications

  • Short-term commitments (forecast) of Settlement Point Prices (SPPs)
  • Seasonal average and distribution of price
  • Historical trade area and regional price analysis
  • Valuation of Power Purchase Agreements (PPA's)

DOCUMENTATION

ERCOT (Texas) 15 Min. Real Time Market Prices

Overview

This data product offers fifteen-minute interval prices for all Load Zones and Hubs in ERCOT.

A price calculated for a Settlement Point for each Settlement Interval using Locational Marginal Price (LMP) data, Settlement Calculations for the Real-Time Energy Operations.

Coverage:

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_AEN AEN
LZ_CPS CPS
LZ_HOUSTON HOUSTON
LZ_LCRA LCRA
LZ_NORTH NORTH
LZ_RAYBN RAYBN
LZ_SOUTH SOUTH
LZ_WEST WEST

2. Hubs

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.

Hub Id Name
HB_BUSAVG Bus Average
HB_HOUSTON HOUSTON
HB_HUBAVG Hub Average
HB_NORTH NORTH
HB_PAN PANHANDLE
HB_SOUTH SOUTH
HB_WEST WEST

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 settlements 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.

Key Features

  • Fifteen-minute interval prices in $/MWh
  • Updated daily by 10 AM UTC (4:00 AM Central Standard Time)
  • Historical data goes back to 2010
  • Covers 7 Hubs, 8 Load Zones

DATA DICTIONARY

3 Data Columns

Operation Timestamp (opr_ts)

The date and hour interval when the market runs and value supplied. There are 96 intervals in a day.

Settlement Point Name (settlement_point_name)

Name of a Settlement Point is a Resource Node, Load Zone, or Hub

Settlement Point Price (settlement_point_price)

A price calculated for a Settlement Point for each Settlement Interval using Locational Marginal Price (LMP) data, DAM Settlement, Settlement Calculations for the Real-Time Energy Operations

Data Provider

Alta Bering

Alta Bering is a Data Curation and Business Analytics Company with its roots in management consulting and decision science. Alta Bering is based in British Columbia and also offers a visual business analytics platform called EPO to help solve complex business problems by using popular Machine Learning and statistical methods

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