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Grant and Funding Programs Offered by Independent Electricity System Operator (IESO)

Overview of Available Grants and Funding

The Independent Electricity System Operator (IESO) ensures Ontario's electricity grid reliability while promoting energy efficiency and sustainability through various programs. It supports innovation and engagement with businesses, non-profits, and Indigenous communities via initiatives like the Conservation and Demand Management program and the Grid Innovation Fund. View Independent Electricity System Operator (IESO)'s website for more information.
Content last updated: March 4, 2026

List of grants and funding offered by Independent Electricity System Operator (IESO)

16 opportunities available
First Nations Community Building Retrofit Program
Grant and FundingExpert AdviceOpen

First Nations Community Building Retrofit Program

Funding and support for on-reserve community energy-efficiency retrofits
Ontario, Canada
Eligible Funding
  • Maximum amount : 330,000 $
Eligible Industries
  • Utilities
  • Public administration
Types of eligible projects
TechnologyEnvironment and Climate
Ontario, Canada
Expanded Energy Management Program
Grant and FundingExpert AdviceOpen

Expanded Energy Management Program

Funding to strengthen facility energy management and efficiency initiatives
Ontario, Canada
Eligible Funding
  • Maximum amount : 250,000 $
  • Up to 50% of project cost
Eligible Industries
  • Agriculture, forestry, fishing and hunting
  • Mining, quarrying, and oil and gas extraction
  • Utilities
  • Construction
Types of eligible projects
TechnologyEnvironment and ClimateHuman Resources
Ontario, Canada
 XLerate Program
Grant and FundingOpen

XLerate Program

Pay-for-performance funding for large-scale Ontario energy-efficiency projects
Ontario, Canada
Eligible Funding
  • Maximum amount : 15,000,000 $
  • Up to 75% of project cost
Eligible Industries
  • Manufacturing
  • Health care and social assistance
  • Public administration
Types of eligible projects
TechnologyEnvironment and Climate
Ontario, Canada
Grid Innovation Fund
Grant and FundingClosed

Grid Innovation Fund

Financial support for electricity conservation innovation in Ontario
Ontario, Canada
Eligible Funding
  • From $1,000,000 to $4,750,000
  • Up to 50% of project cost
Eligible Industries
  • All industries
Types of eligible projects
TechnologyEnvironment and ClimateInnovation
Ontario, Canada
Eligible Funding
  • Maximum amount : 12,000 $
Eligible Industries
  • All industries
Types of eligible projects
Environment and Climate
Ontario, Canada
 Peak Perks
Other SupportGrant and FundingOpen

Peak Perks

Smart thermostat demand response incentives for Ontario electricity customers
Ontario, Canada
Eligible Funding
  • Maximum amount : 75 $
Eligible Industries
  • Utilities
  • Other services (except public administration)
  • Public administration
Types of eligible projects
TechnologyEnvironment and Climate
Ontario, Canada
CoolSaver Program
Grant and FundingOpen

CoolSaver Program

Free home cooling tune-ups and discounts for eligible residents
Ontario, Canada
Eligible Funding
  • Maximum amount : 1,000 $
Eligible Industries
  • Utilities
  • Construction
Types of eligible projects
Environment and Climate
Ontario, Canada
Commercial CoolSaver Program
Other SupportClosed

Commercial CoolSaver Program

Free commercial HVAC tune-ups and discounts for York Region businesses
Ontario, Canada
Eligible Funding
  • Maximum amount : 1,450 $
  • Up to 5% of project cost
Eligible Industries
  • Utilities
  • Construction
  • Manufacturing
  • Wholesale trade
Types of eligible projects
TechnologyEnvironment and Climate
Ontario, Canada
Small Business Program
Grant and FundingOpen

Small Business Program

Free energy-efficient equipment upgrades for eligible Ontario small businesses
Ontario, Canada
Instant Discounts Program
Other SupportOpen

Instant Discounts Program

Instant point-of-sale discounts on energy-efficient lighting upgrades
Ontario, Canada
Retrofit Program
Grant and FundingOpen

Retrofit Program

Financial incentives for energy efficiency upgrades reducing electricity use
Ontario, Canada
Energy Performance Program
Grant and FundingOpen

Energy Performance Program

Pays incentives for verified facility electricity savings over time
Ontario, Canada
Remote First Nations Energy-Efficiency Program
Grant and FundingOpen

Remote First Nations Energy-Efficiency Program

Funds remote First Nations energy-efficiency upgrades for homes and businesses
Ontario, Canada
Energy Affordability Program
Other SupportGrant and FundingExpert AdviceOpen

Energy Affordability Program

Free home energy upgrades for income-eligible Ontario households
Ontario, Canada
HomeEnergySaver Program
Grant and FundingArchived

HomeEnergySaver Program

Incentives for installing new heat pumps in eligible Ontario homes
Ontario, Canada
Existing Building Commissioning program
Grant and FundingExpert AdviceOpen

Existing Building Commissioning program

Incentives for commissioning to improve existing building energy performance
Ontario, Canada

About Independent Electricity System Operator (IESO)

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