- Short-term and long-term prediction of dynamic electricity prices
- Diurnal and seasonal average and distribution of historical power prices
- Peak and off-peak price range analysis
IESO (Ontario) Hourly Nodal Prices
This data product offers hourly wholesale power prices in Ontario's 10 transmission zones and their nodal zones.
The Ontario transmission system is mainly comprised of a 500 kV transmission network, a 230 kV transmission network, and several 115 kV transmission networks.
Nodal Zone Coverage
Here are the list of transmission zones and their respective nodal zones in this data product:
|Northeast Zone||Andrews, Canyon, NP Iroquois Falls|
|Northwest Zone||Atikokan, Pine Portage, Thunderbay|
You can check out the Ontario Zonal Map for more details.
The hourly nodal pricing is not used for market settlements, but provides a representative indication of the relative cost of generation in each of Ontario's electrical zones based on transmission limitations and system conditions relative to generation and load.
IESO (The Independent Electricity System Operator) works at the heart of Ontario's power system. The IESO delivers key services across the electricity sector including: managing the power system in real-time, planning for the province's future energy needs, enabling conservation and designing a more efficient electricity marketplace to support sector evolution.
Related Data Products
- Includes hourly actual wholesale electricity prices in CAN$/MWh
- Updated daily at or before 5:00 PM ET
- Historical data goes back to 2008
- Covers 10 Ontario zones including Bruce, East, Essa, Niagara, West, Toronto, Ottawa, North East, North West, South West
5 Data Columns
Delivery Datetime (delivery_dt)
The date and hour when the market runs and energy is supplied
Peak Hour Specification (on_peak_off_peak_hours)
The on peak, off peak flag of the hour
Intertie Zone (zone)
Ontario and its interconnections (intertie zones) with other jurisdictions (or control areas)
Nodal Zone (nodal_zone)
Nodal zone under one of the Ontario's electrical zone
Nodal Price (nodal_price)
Nodal price in CDN per megawatt hour
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