Efficient Solutions Program
Transitional rules applicable to the Medium and Large Businesses Component – Simplified Option
Introduced on November 19, 2018, the Simplified Option of the Medium and Large Businesses Component was amended several times, the most recent update being on March 31, 2025 and applicable starting on October 7, 2024.
Please read this page to learn more about the rules applicable to your project.
Hydro‑Québec may ask you for paperwork explaining the reason for the start date.
The project start date is the earlier of the following two dates:
- The date on which the participant and the contractor sign the first contract related to the project
- The date on which the participant first purchases equipment to be used in the project, as shown by a proper invoice or purchase order
Documents and tools
The terms and conditions that apply are those of the program currently in effect. Visit the Efficient Solutions Program – Medium and Large Businesses section of Hydro‑Québec’s website for further details.
Projects with a start date between October 7, 2024, and March 30, 2025: To help you benefit from maximum financial support for your project, we are also making OSE 4.1 [EXE 13.9 MB - in French only] available for projects that began during this period.
Notice to Google Chrome users
Google Chrome does not display XFA-based PDF forms.
You can configure Chrome to open PDF files using Adobe Reader or Adobe Acrobat by following these steps:
- Paste the following URL into your Chrome address bar: chrome://settings/content/pdfDocuments.
- Adjust the slider to the right to activate downloading PDF files instead of automatically opening them in Chrome.
Important: Make sure that you have Adobe Reader or Adobe Acrobat installed on your computer.
Documents and tools
- Participant’s Guide – Medium and Large Businesses Component – April 2024 [PDF 314 kB – in French only]
- OSE 4.1 [EXE 39.7 MB – in French only]
- Conditions and undertakings [PDF 130 kB – in French only]
- Municipal and cooperative systems [PDF 58 kB – in French only]
- Eligible off-grid system customers and calculation of financial assistance [PDF 66 kB – in French only]
- Notice of participation – Aggregator2 [PDF 706 kB – in French only]
1 Proposals for demand response measures are eligible as of July 1, 2024.
2 Document for project aggregators.
Notice to Google Chrome users
Google Chrome does not display XFA-based PDF forms.
You can configure Chrome to open PDF files using Adobe Reader or Adobe Acrobat by following these steps:
- Paste the following URL into your Chrome address bar: chrome://settings/content/pdfDocuments.
- Adjust the slider to the right to activate downloading PDF files instead of automatically opening them in Chrome.
Important: Make sure that you have Adobe Reader or Adobe Acrobat installed on your computer.
Documents and tools
- Participant’s Guide – Medium and Large Businesses Component – November 2022 [PDF 262 kB – in French only]
- OSE 3.1 [EXE 13,3 MB - in French only]
- Conditions and undertakings [PDF 122 kB - in French only]
- Municipal and cooperative systems [PDF 58 kB - in French only]
- Eligible off-grid systems and calculation of financial assistance [PDF 66 kB - in French only]
- Notice of participation – Aggregator1 [PDF 706 kB - in French only]
1 Document for project aggregators.
Notice to Google Chrome users
Google Chrome does not display XFA-based PDF forms.
You can configure Chrome to open PDF files using Adobe Reader or Adobe Acrobat by following these steps:
- Paste the following URL into your Chrome address bar: chrome://settings/content/pdfDocuments.
- Adjust the slider to the right to activate downloading PDF files instead of automatically opening them in Chrome.
Important: Make sure that you have Adobe Reader or Adobe Acrobat installed on your computer.
Documents and tools
- Participant’s Guide – Efficient Solutions Program – June 2020 [PDF 627 kB – in French only]
- OSE 2.1 [EXE 13,3 MB - in French only]
- Conditions and undertakings [PDF 96 kB - in French only]
- List of eligible municipal and cooperative systems [PDF 15 kB - in French only]
- Terms and conditions applicable to off-grid systems [PDF 27 kB - in French only]
- Notice of participation – Aggregator1 [PDF 703 kB - in French only]
1 Document for project aggregators.
Notice to Google Chrome users
Google Chrome does not display XFA-based PDF forms.
You can configure Chrome to open PDF files using Adobe Reader or Adobe Acrobat by following these steps:
- Paste the following URL into your Chrome address bar: chrome://settings/content/pdfDocuments.
- Adjust the slider to the right to activate downloading PDF files instead of automatically opening them in Chrome.
Important: Make sure that you have Adobe Reader or Adobe Acrobat installed on your computer.
Your project is ineligible for the Efficient Solutions Program.
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