Energy Reporting and Benchmarking (EWRB)

Under a provincial regulation for Energy and Water Reporting and Benchmarking (EWRB), large building owners are required to report their energy and water consumption and greenhouse gas (GHG) emissions to the Ministry of Energy, Northern Development and Mines (ENDM) on an annual basis.

This regulation applies to privately-owned  buildings that are 100,000 square feet or larger, including commercial buildings, multi-unit residential buildings (with more than 10 units), and some industrial buildings (such as warehouses and industrial condominiums).

On July 1, 2023, the baseline requirement for reporting will decrease to buildings of 50,000 square feet or larger. Until that date, reporting for buildings between 50,000 - 100,000 square feet that meet criteria noted above, is voluntary.

To learn more about whether the EWRB regulation applies to your building, and how and when to report your data, consult Ontario Regulation 20/17 and visit Ontario.ca/energyreporting.

Requesting your data from Hydro Ottawa

Under the EWRB regulation, local distribution companies like Hydro Ottawa are required to make aggregated electricity consumption information available to building owners upon request, so that they can report their data to the Ministry of Energy annually by July 1.

To assist building owners, Hydro Ottawa has created an electricity data request form. It may take 4-6 weeks to process requests.

To ensure building owners have sufficient time to gather and prepare their data for reporting prior to the July 1 deadline, we encourage building owners to request their data as soon as possible each year. This will allow sufficient time to process the many requests received. Because of the large volume of requests we expect to receive, requests received after June 1 may not be processed by the July 1 deadline.

Hydro Ottawa may need to follow up with a building owner, in the event that any information in the request form is unclear or missing. In addition, Hydro Ottawa may require some time to validate third-party representatives who request information on behalf of a building owner.

If you are a building owner that has to comply with the Energy and Water Reporting and Benchmarking (EWRB) Regulation, fill out the form below to request your electricity consumption data from Hydro Ottawa.

Before you fill out the form, you should gather the following information:

  1. The account number for all accounts that are part of the building (as many as you can gather). (At least one account number is mandatory)
  2. The EWRB number for the building. This number is provided by the Ministry of Energy, Northern Development and Mines. (Mandatory)
  3. The Municipal Property Assessment Corporation (MPAC) code for the property (if available). You can visit the AboutMyProperty website to access this code.
  4. The MPAC roll number (if available). This number is stated in the property tax statement.

If you have any questions before filling out and submitting the form, please send your inquiry to [email protected].

Everything you need to know about Energy and Water Reporting and Benchmarking (EWRB) Webinar - April 7, 2021

In case you missed it, please find the link to the webinar below.  If you have any questions, please contact us at [email protected].

Watch the Webinar

Data Request Form

The 2021 EWRB reporting deadline was July 1st, so our data request form is now closed for the year. The form will be reopened in early 2022. If you have any EWRB questions, please email [email protected]. If you would like to make a request for data, please email [email protected].
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