Transition Market Information

This transition market information contains a wealth of data about Ontario electricity demand and infrastructure, including daily primary demand reports back to 1998, load profiles and forecasts. Learn more about the Transition Market Information Team responsible for making this information available.

Note: The Transition Market Information pages contain operating information during the transition period leading up to the opening of the Market (May 1, 2002). For market information please view the Today’s Market, Market Data and Market Summaries pages.

A revised Transition Information Team report is available with a description of OPGI's Ring-Fencing effort. See Final Report with Ring-Fencing Addendum (PDF).
 

Reports   Operational Data Financial Data Environmental Governance Demand Generation Transmission   Historic Daily Summary Load Profiles - % of Primary Demand by Sector Summary of System Operations - Statistics Load Profiles - Direct Industrial Customer Groups by SIC Load Profiles - Small Industrial Customer Groups by SIC Load Profiles - Commercial Group by SIC Load Profiles - Residential Group by SIC Ontario Primary Demand - 6 Areas Ontario Primary Demand - 10 Areas Ontario Primary Demand - Total Ontario 20-Minute Peak Demand

Daily Summary^*

This report contains daily weather conditions, primary demand by system in terms of peak demand and energy, and secondary sales total.
To view the report: select year, month and day; then click GO button.
Note: daily report, posting to web delayed 1 day.

1998 1999 2000 2001 2002   January February March April May June July August September October November December   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31  

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Load Profiles - % of Primary Demand by Sector

Report contents: Industrial, commercial, residential, agricultural and transportation load in Ontario as a percentage of Primary Demand.
To view the report: select year; then click GO button.

1999  

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Summary of System Operations - Statistics^*

This report contains weekly load, generation, reserve, and interconnected transactions only.
To view the report: select year, month and day; then click GO button.
Note: weekly report, posting to web delayed one month.

1998 1999 2000 2001 2002   January February March April May June July August September October November December   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31  

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Load Profiles - Direct Industrial Customer Groups by SIC

• Notes to the Direct Industrial Files
  An explanation of the layout, data and plots contained in the Direct Industrial Load Shape files is provided.
• Direct Industrial - Groups
  Listing of all Direct Industrial segments (10)
• Direct Industrial Data File    (CSV file for Download)
  Includes hourly loads in MW for 10 aggregations of Direct Industrial customers. Aggregated by 2 digit SIC (Standard Industry Classification). Data is from a study that used 1998 load data.

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Load Profiles - Small Industrial Customer Groups by SIC

• Notes to the Residential, Commercial and Small Industrial Files
  An explanation of the layout, data and plots contained in the Residential Commercial and Small Industrial load shape files is provided.
• Small Industrial - Groups
  Listing of all Small Industrial segments (14)
• Small Industrial data files (CSV files for downloading).
  Includes normalized loads for small industrial customers aggregated by 2 digit SIC (Standard Industry Classification). Daily 24 hour load profiles and Monthly profiles with 2 day types: typical weekday, and typical weekend are provided. Data is from a study in the late 1980's.
• Small Industrial plot files (PDF files for display).
  A plot is included for every segment showing the daily loadshapes for every month for both day types.

  Farms, Forestry and Fishing	Data	Plot
  Mines and Quarries	Data	Plot
  Food Manufacturing Plants	Data	Plot
  Clothing Manufacturing Plants	Data	Plot
  Wood Products Manufacturing	Data	Plot
  Primary Metals	Data	Plot
  Fabricated Metals	Data	Plot
  Machinery Industry	Data	Plot
  Transportation Industry	Data	Plot
  Electrical and Electronic	Data	Plot
  Non-Metallic Minerals	Data	Plot
  Petroleum and Chemicals	Data	Plot
  Other Manufacturing	Data	Plot
  Construction	Data	Plot

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Load Profiles - Commercial Group by SIC

• Notes to the Residential, Commercial and Small Industrial Files
  An explanation of the layout, data and plots contained in the Residential Commercial and Small Industrial load shape files is provided.
• Commercial - Groups
  Listing of all Commercial segments (11)
• Commercial data files (CSV files for downloading).
  Includes normalized loads for Commercial customers aggregated by 2 digit SIC (Standard Industry Classification). Daily 24 hour load profiles and Monthly profiles with 2 day types: typical weekday, and typical weekend are provided. Data is from a study in the late 1980's.
• Commercial plot files (PDF files for display).
  A plot is included for every segment showing the daily loadshapes for every month for both day types.

  Food Stores	Data	Plot
  Other Retail Stores	Data	Plot
  Services	Data	Plot
  Wholesale Warehouses	Data	Plot
  Offices	Data	Plot
  Health Facilities	Data	Plot
  Education	Data	Plot
  Hotels and Other Accommodation	Data	Plot
  Recreational Facilities	Data	Plot
  Religious Institutions	Data	Plot
  Multi-residential	Data	Plot

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Load Profiles - Residential Group by SIC

• Notes to the Residential, Commercial and Small Industrial Files
  An explanation of the layout, data and plots contained in the Residential Commercial and Small Industrial load shape files is provided.
• Residential - Groups
  Listing of all Residential segments (6)
• Residential data files (CSV files for downloading).
  Includes normalized loads for Residential customers aggregated by 2 digit SIC (Standard Industry Classification). Daily 24 hour load profiles and Monthly profiles with 2 day types: typical weekday, and typical weekend are provided. Data is from a study in the late 1980's.
• Residential plot files (PDF files for display).
  A plot is included for every segment showing the daily loadshapes for every month for both day types.

  Baseload	Data	Plot
  Space Heating	Data	Plot
  Electric Furnace	Data	Plot
  Base Board	Data	Plot
  Central Air	Data	Plot
  Water Heating	Data	Plot

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Ontario Primary Demand - 6 Areas

• Ontario Area Diagram
  Diagram of critical interfaces and division of Ontario into 6 load areas.
• Ontario Area Primary Demands-Select Hours
  Ontario Primary Demand in 6 load areas at winter, spring, summer and fall maximum demand hour, and minimum demand hour.

Report contents: Ontario Primary Demand in 6 load areas for all hours in a year.
Update Frequency: Updated monthly, one month after the calendar month, in order to allow time for corrections of the data to be implemented.
Report format: Comma Separated Values (CSV).
To download the report: select year; then click Download button.

1998 1999 2000 2001 2002  

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Ontario Primary Demand - 10 Areas

• Ontario Area Diagram
  Diagram of critical interfaces and division of Ontario into 10 load areas.

Report contents: Ontario Primary Demand in 10 load areas for all hours in a year.
Update Frequency: Updated monthly, one month after the calendar month, in order to allow time for corrections of the data to be implemented.
Report format: Comma Separated Values (CSV).
To download the report: select year; then click Download button.

2000 2001 2002  

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Ontario Primary Demand - Total

Report contents: Annual Primary Demand 1994 to 2001.

Description: The Annual Primary Demand is derived from a combination of daily and monthly station meters and is net of station service loads and any inadvertent power flows. The Annual Primary Demand provides the best annual Energy requirements for Ontario.

• Annual Primary Demand 1994 to 2001 (PDF)

Report contents: Hourly Primary Demand 1994 to current year.

Description: The Hourly Primary Demand is derived from operational meters. The placement of these meters varies from station to station, and their corresponding readings may, or may not, include station service loads. The Hourly Primary Demand data provides the best representation of the hourly load shape in Ontario.

Update Frequency: Updated monthly, one month after the calendar month, in order to allow time for corrections of the data to be implemented.
Report format: Comma Separated Values (CSV).
To download the report: select year; then click Download button.

1994 1995 1996 1997 1998 1999 2000 2001 2002  

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Ontario 20-Minute Peak Demand

Report contents: Monthly 20-Minute Peak Demand 1984 to current year

Description: The Monthly 20-Minute Peak Demand is calculated from readings on the DACS system and represents the average peak over 20 minutes. The 20-Minute Peak Demand is important in assessing the capacity of Ontario's transmission and generation facilities.

Update Frequency: Updated monthly, one month after the calendar month, in order to allow time for corrections of the data to be implemented.

• Monthly 20-Minute Peak Demand 1984 to current year (PDF: 8 KB)

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* Preliminary information - information subject to change without notice.