Retrofit Program: Prescriptive Stream

A streamlined path to incentives for upgrades that reduce energy use for your business.

  • Get up to

    50% of eligible project costs covered

  • Eligible upgrades

    HVAC, lighting controls, data centre equipment, manufacturing equipment and more!

Get your project started by contacting us, or go to the Retrofit portal to log in or sign up.

 

About the Prescriptive Stream

The Prescriptive Stream helps businesses save on energy costs by rewarding common, proven energy-efficiency upgrades with set incentives—up to 50% of eligible project costs.

Incentives

Lighting

HVAC

Data centre equipment

Manufacturing and other equipment

* Incentives for the Industrial EMIS are funded by Natural Resources Canada (NRCan) as part of its Green Industrial Facilities and Manufacturing Program.

Distributed Energy Resources - Solar PV System

** Systems larger than 1,000 kW AC can be eligible; however, the incentive amount will be capped at 1,000 kW AC and at 50% of total eligible project costs (including labour and materials)

Need a refresher?

Head back to the main Retrofit Program page for how it works, program eligibility and case studies.

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Key documents

 

All projects

 

Program Requirements Version 1.2 – Effective June 30, 2025 | pdf

Participant Agreement Version 1.2 – Effective June 30, 2025 | pdf

Participant Confirmation Form: Equipment Disposal and Decommissioning Version 1.1 – Effective April 8, 2021 | docx


Mandatory worksheets

 

Solar photovoltaic systems

 

Solar PV DER Worksheet* Version 3.0 – Effective May 29, 2026 | xlsx

Review how to complete the Solar Photovoltaic Distributed Energy Resource worksheet and enter the Solar PV measure details into the Retrofit portal.

See the Retrofit FAQs for more information about the eligibility for Solar PV DERs.

*Please contact your LDC regarding ability to connect the DER measure to the electricity grid.

 

Industrial and manufacturing

 

Industrial Energy Management Information System (EMIS)** Version 2.0 – Effective August 1, 2025 | xlsx

See the EMIS FAQs for more information about the eligibility for EMIS.

**Incentives for the Industrial EMIS are funded by Natural Resources Canada (NRCan) as part of its Green Industrial Facilities and Manufacturing Program.

 

Horticultural

 

Horticultural Lighting and Controls Version 2.0 – Effective June 30, 2025 | xlsx

This worksheet is mandatory for Applications for the "Horticultural LED Grow Lights - Top Lighting (Vegetable)" measure, but optional for all other horticultural lighting measures in the worksheet.


Optional worksheets

 

The following worksheets are optional and are made available to assist Retrofit applicants with calculating project incentives.

HVAC upgrades

 

Advanced Rooftop Unit (RTU) controls Version 1.0 – Effective January 1, 2025 | xlsx

Demand Control Ventilation Version 2.0 – Effective June 30, 2025 | xlsx

HVAC Chillers Version 1.0 – Effective January 1, 2025 | xlsx

HVAC Pumps Version 1.0 – Effective January 1, 2025 | xlsx

Multi-Res In Suite Appliance Version 1.0 – Effective January 1, 2025 | xlsx

Services and Hospitality Version 3.0 – Effective May 29, 2026 | xlsx

Unitary Air Conditioning (AC) Version 1.0 – Effective January 1, 2025 | xlsx

Unitary Air Source Heat Pump Version 2.0 – Effective June 6, 2025 | xlsx

Manufacturing and other upgrades

 

Agribusiness Version 1.0 – Effective January 1, 2025 | xlsx

Agricultural Exhaust Fans Version 1.0 – Effective January 1, 2025 | xlsx

Compressed Air Version 1.0 – Effective January 1, 2025 | xlsx

Data Centre upgrades Version 2.0 – Effective June 30, 2025 | xlsx

Industrial Systems Version 1.1 – Effective May 29, 2026 | xlsx

Motors Version 1.1 – Effective May 29, 2026 | xlsx

Variable Frequency Drive (VFD) Version 1.1 – Effective May 29, 2026 | xlsx

Variable Speed Drive (VSD) Compressed Air Version 1.0 – Effective January 1, 2025 | xlsx

Lighting control upgrades

 

Network Lighting Controls Version 2.0 – Effective June 30, 2025 | xlsx

Looking for a document from a previous program offering? Visit the document archive page.

Frequently asked questions

Get answers to common questions about the Retrofit Program.

Read FAQs

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Legal Disclaimer for Retrofit Application Portal

Attention to Program Participants (Including Applicants and Applicant Representatives): This system is owned and operated by the IESO. As a registered Program Participant, you have a unique and confidential User Account and Password to access this system and you agree to maintain their confidentiality. You specifically agree that you are exclusively responsible for all access to and any activity on this system that occurs through the use of your User Account and Password. If you become aware of any unauthorized use of your User Account or Password, you agree to immediately notify the IESO. The IESO is not liable for any loss or damage arising from any unauthorized access or use of your User Account and Password. As a registered Program Participant you must use this system in accordance with the Program Requirements and the Participant Agreement. If you do not agree with these terms and conditions, immediately advise the IESO and do not login to this system. The IESO reserves the right to restrict or remove access to this system at its sole discretion.