Your local hydro company, Wellington North Power, is conducting a Customer Satisfaction Survey by telephone from January to...
News & Events
More News
Holiday Office Hours & Contact Details
Happy Holidays from the Staff and Directors at Wellington North Power. For emergencies (reporting a downed powerline or a power...
What to Do If a Storm Causes Damage to Your Home
A winter snow-storm, an ice-storm, strong winds - these can cause damage to your home and create dangerous electrical hazards....
Restored: Power is back on in Arthur and Surrounding Areas
Restored: Power is back on in Arthur and surrounding areas. Cause: There is a Hydro One transmission pole on fire north of...
Anti-Scam Awareness – Don’t be afraid to say ‘No’ and Useful Information
The Ontario Energy Board (OEB), the energy regulator, has seen a 77% increase in the number of reported scam calls, including...
Interested in helping shape the future of your local hydro company?
Call For Nominations: The Townships of Wellington North and Southgate as the shareholders of Wellington North Power Inc. (WNP)...
Power Outages
If your power has gone out or you're having trouble with your electricity, call our outage/after hours phone number:
519-323-1710
___________
We're available 24 hours a day.
If you're having a life-threatening emergency, call 911.
Do not approach a downed power line. Keep a distance of least 10 metres and call your local hydro office and 911
Ontario’s System-Wide Electricity Supply Mix: 2021 Data

Where did Ontario’s 2021 electricity come from?
2021 Electricity Facts | |
Electricity sources | Ontario’s Electricity Mix |
Nuclear Energy | 55.3% |
Water Power | 23.3% |
Natural Gas* | 8.1% |
Wind | 9.0% |
Solar PV | 2.5% |
Bioenergy** | 0.5% |
Non-Contracted*** | 1.2% |
*Includes Lennox and dual fuel (natural gas/bioenergy) consistent with IESO. ** IESO’s embedded generation data set combines biomass and gas. *** Non-Contracted represents a variety of fuel types that the IESO is unable to categorize due to a lack of information from Local Distribution Companies (LDCs). Note: |
Under O. Reg. 416/99 the Ministry of Energy is responsible for providing Ontario’s electricity supply mix data for electricity suppliers. The following table discloses the system-wide electricity supply mix data for 2021. This data must be used by electricity suppliers for the purposes of complying with the disclosure obligations of O. Reg. 416/99 and the Directive. This data should be considered current until further notice.
To fulfill the requirements of the Regulation, the OEB presents the information in percentages. To support the changes the IESO has made to the presentation of their distribution-connected data, the supply mix data in the table below is also presented in Terawatt-hours (TWh).
2021 Electricity Facts | |||
Ontario’s Electricity Mix(System-Wide Generation in terawatt-hour – TWh) | |||
Electricity Source | Tx-Connected (direct) | Dx-Connected (embedded) | Total |
Nuclear | 83.0 | – | 83.0 |
Water Power | 34.2 | 0.8 | 35.0 |
Natural Gas* | 12.2 | – | 12.2 |
Wind | 12.0 | 1.5 | 13.5 |
Solar PV | 0.8 | 3.0 | 3.7 |
Bioenergy** | 0.4 | 0.3 | 0.7 |
Non-Contracted*** | 0.01 | 1.8 | 1.9 |
Total | 142.5 | 7.5 | 150.0 |
* Includes Lennox and dual fuel (natural gas/bioenergy) consistent with IESO. ** IESO’s embedded generation data set combines biomass and gas. *** Non-Contracted represents a variety of fuel types that the IESO is unable to categorize due to a lack of information from Local Distribution Companies (LDCs). Note: |