Open
Source verified August 4, 2026
Efficient Solutions Program — Medium and Large Businesses Component
Funding for business energy efficiency projects
Latest source updateLast Update: August 4, 2026Latest change: The transitional rules page now separates projects submitted on or after March 31, 2026 from those submitted before that date and removes the former ineligibility rule for proposals before June 9, 2020.View change
Latest source update
Last Update: August 4, 2026
Latest change: The transitional rules page now separates projects submitted on or after March 31, 2026 from those submitted before that date and removes the former ineligibility rule for proposals before June 9, 2020.
Transition rules updated for Customized Option
The transitional rules page for the Customized Option now clearly splits projects by submission date, with one section for proposals submitted on or after March 31, 2026 and another for proposals submitted before March 31, 2026. It also removes the prior statement that proposals submitted before June 9, 2020 were ineligible for the Efficient Solutions Program.
Funding available
$ 1,000 - $ 5,000,000
Deadline
Open continuously
Location
Quebec, Canada
Overview
Hydro‑Québec’s Efficient Solutions Program provides financial support to businesses in Québec to improve the energy performance of buildings through energy analyses and efficient equipment. It supports energy efficiency and demand response measures, including equipment and system purchases, installations, and building analyses.
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Opportunity Score
Moderate potential, but conditions must align.
At a glance
Funding available
Financing goals
- Reduce environmental footprint
- Renovate or expand facilities
Eligible Funding
- Maximum amount : 5,000,000 $
- Minimum amount : 1,000 $
- Up to 75% of project cost
Funds Providers
Eligible candidates
Eligible Industries
- All industries
Location
- Quebec
Legal structures
- For-profit business
Annual revenue
- All revenue ranges
Organisation size
- All organization sizes
Audience
- All groups
Next Steps
1
Determine your project
2
Validate your eligibility
Activities funded
- Energy analyses of buildings, equipment or processes
- Purchase and installation of efficient equipment and systems for commercial, institutional or industrial buildings
- Implementation of energy efficiency measures
- Implementation of demand response measures
- Installation or optimization of building automation equipment during peak periods
Documents Needed
- Copies of all equipment purchase and installation receipts related to each energy efficiency measure for Small Businesses and Medium and Large Businesses applications.
- Energy analysis proposal form for the Energy Analysis component.
- Notice of participation – Aggregator for project aggregators.
- Measurement plan for Customized Option projects.
Official resources
Official page
Program guide
Eligibility
Who is eligible?
- Businesses or organizations located in Québec
- Businesses that use one or more buildings for commercial, institutional, industrial or agricultural activities
- Partners that submit a project on behalf of a customer who has mandated them for that purpose
- Aggregators that submit projects on behalf of their customers
Who is not eligible
- Aggregators are not eligible for the Energy Analysis component
- Businesses subject to Rate G or Flex Rate G are not eligible for the Customized Option of the Medium and Large Businesses component
Eligible expenses
- Purchase and installation costs for equipment and systems that improve building energy performance
- Eligible costs, including in-house labour, for energy analyses aimed at energy efficiency measures or at energy efficiency and demand response measures
- For Customized Option projects, measurement and engineering costs
- For Customized Option projects, plans and specifications, internal labour, and approved hazardous-material handling costs
Ineligible Costs and Activities
- Under the Simplified Option, projects with a start date before May 9, 2022 are ineligible.
- Under the Customized Option, projects with a proposal submitted before June 9, 2020 are ineligible.
- AHRI-certified heat pumps are no longer eligible.
- DLC Standard-certified light fixtures are no longer eligible.
- Under the Energy Analysis component, proposals that cover only demand response measures are not eligible.
Eligible geographic areas
- Québec
How to apply
- Review the applicable eligibility requirements, Participant’s Guide, and Conditions and Undertaking before starting the project.
- For the Simplified Option, use the OSE tool to choose predefined measures and estimate the financial support.
- For the Simplified Option, submit the application through the OSE tool once the equipment or system has been installed.
- For the Customized Option, send in your project; if it is eligible, Hydro‑Québec will email you a project proposal form.
- For the Energy Analysis component, download and complete the proposal form, then send it to the email address indicated on the form.
Processing and Agreement
- After submission, Hydro‑Québec acknowledges receipt of the project, assesses its compliance, and may request additional information.
- For the Customized Option, if the initial project submission is eligible, Hydro‑Québec sends a project proposal form by email.
- Hydro‑Québec may request additional supporting documents, visit the project site, approve the project, or revise the financial support if the completed work is not compliant.
- To receive payment, the participant or aggregator must send an original invoice within 30 days after receiving the billing request; Word or Excel invoices must be converted to PDF.
- About 45 days after receiving a compliant original invoice, Hydro‑Québec pays the approved financial support.
Additional information
- The program has four components: Energy Analysis, Small Businesses, Medium and Large Businesses, and Farming.
- The OSE tool is a Windows-based PC application used in the Simplified Offer.
- Since March 31, 2026, OSE 6.0 has replaced OSE 5.1.
- The OSE tool includes more than 200 predefined measures.
Contacts
Other components of this program
Explore related funding streams and grants that belong to the same program.
- Customized Option – Efficient Solutions Program – Medium and Large Businesses componentSupport for complex energy efficiency projects
- Efficient Solutions Program - Energy Analysis ComponentEnergy analysis support for business efficiency
- Efficient Solutions Program — Agricultural ComponentFinancial support for agricultural operations
- Efficient Solutions Program — Small Business ComponentImprove business energy performance with financial support
Frequently Asked Questions about the Efficient Solutions Program — Medium and Large Businesses Component Program
What is the Efficient Solutions Program — Medium and Large Businesses Component?
Hydro‑Québec’s Efficient Solutions Program provides financial support to businesses in Québec to improve the energy performance of buildings through energy analyses and efficient equipment. It supports energy efficiency and demand response measures, including equipment and system purchases, installations, and building analyses.
How much funding can be received?
Efficient Solutions Program — Medium and Large Businesses Component Funds up to 75% of admissible expenses, capped at $5,000,000 per project.
Who is eligible for the Efficient Solutions Program — Medium and Large Businesses Component program?
To be eligible for the Efficient Solutions Program — Medium and Large Businesses Component program, you must:
The applicant must be a business or organization located in Québec.
The applicant must use one or more buildings for commercial, institutional, industrial or agricultural activities.
Eligible buildings must be supplied by the Hydro‑Québec grid or by an eligible off-grid, municipal or cooperative system.
What expenses are eligible under Efficient Solutions Program — Medium and Large Businesses Component?
Energy analyses of buildings, equipment or processes
Purchase and installation of efficient equipment and systems for commercial, institutional or industrial buildings
Implementation of energy efficiency measures
Implementation of demand response measures
Installation or optimization of building automation equipment during peak periods
Who can I contact for more information about the Efficient Solutions Program — Medium and Large Businesses Component?
You can contact Hydro-Québec by email at bureau.eeaffaires@hydroquebec.com or by phone at 1 800 463-9900.
Where is the Efficient Solutions Program — Medium and Large Businesses Component available?
The Efficient Solutions Program — Medium and Large Businesses Component program is available the province of Quebec.
Is the Efficient Solutions Program — Medium and Large Businesses Component a grant, loan, or tax credit?
Efficient Solutions Program — Medium and Large Businesses Component is a Grant and Funding