IESO (Ontario) Hourly Nodal Prices
Hourly nodal prices for Ontario's ten transmission zones

Applications
- 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
DOCUMENTATION
IESO (Ontario) Hourly Nodal Prices
Overview
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:
Geographical Zone | Node | Bruce Zone | BruceB | East Zone | Saunders C | Essa Zone | Desjoachims | Niagara Zone | BECK2 | North East Zone | Andrews |
---|
Canyon | NP Iroquois Falls | North West Zone | Atikokan |
Pine Portage | Thunderbay | Ottawa Zone | TAOHSC | Southwest Zone | GerdauCam | Toronto Zone | Darlington | West Zone | Greenfield |
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.
Data Source
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
Key Features
- 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
Data Provider
Alta Bering
Until a few decades ago majority of us were employed in real world businesses. Alta Bering came out of a history of production technology and reconciled it with sophisticated algorithmic math, an after-thought in enterprise system functionality.We believe efficiency is key to mitigating scarcity economics. In the early 2000s, we set our sights on helping companies achieve higher efficiency and growth, not just growth.Today we enable advanced prescriptive analytics for data scientists and enterprise cloud platforms. Our goal is to help business analysts step up to corporate responsibility.Contact us for more about how we deliver our predictive analytics consulting to large and medium sized clients.