Use the OSE calculation tool to request financial assistance

Over 200 measures for your projects

The Efficient Solutions calculation tool (OSE) is a computer PC application that simplifies the process of calculating how much financial assistance you could receive and submitting an application for small, medium and large businesses or for financial assistance available under the Farming Component.


Confirm the eligibility of the measures you would like to implement.


Calculate the amount of financial assistance you may be entitled to receive.


Submit your request for financial assistance in just a few clicks.

Download the OSE tool

Complete the three steps of the questionnaire to obtain the version of the OSE tool that corresponds to your market and applies to the start date of your work.

Request support for your project

Our experts will assist you with the steps involved in your energy efficiency project and help you prepare your request for financial assistance.

Request support

How to submit a request with the OSE tool

This video outlines the steps involved in submitting a request for financial assistance with the OSE tool: Register your building, select the measures, calculate the financial assistance, identify the project and submit the request.

2-minute video [In French only]

Frequently Asked Questions

Efficient solutions for your business

Hydro‑Québec will work alongside you to help you with your energy efficiency projects.

From the planning stage to the implementation of your project, you will find the financial assistance and support your business needs to actively contribute to the collective effort to decarbonize Québec.

Energy analysis

Get up to $50,000 for an energy analysis. Find out how much you could save with your facility and target the most economically viable projects for your business.

Learn more about the energy analysis

Financial assistance

Receive financial assistance that is tailored to your company’s reality and receive substantial financial assistance to purchase energy‑efficient equipment and implement energy‑wise measures.


Specialized companies that support business customers in their energy efficiency projects are entitled to receive financial incentives.

Compensation paid to partners