The 40 largest Utilities companies in Ontario

Ontario Power Generationopg.com

Leading clean power generator advancing clean energy innovations, striving for a net-zero future with diverse electricity generation fleet in Ontario and the United States

Hydro Onehydroone.com

Electricity transmission and distribution across Ontario, ensuring reliable power delivery and supporting infrastructure for homes and businesses.

Bruce Powerbrucepower.com

Operation of nuclear power plants generating clean, low-cost electricity supplying 30% of Ontario's power with strong community values.

Libertyjobs.libertyenergyandwater.com

Provider of essential energy and water services, including clean, renewable power generation, with a focus on sustainability and customer satisfaction

Toronto Hydrotorontohydro.com

Operate and maintain electricity distribution system serving nearly 793,000 customers, ensuring safe, reliable power supply in Toronto.

Enbridge Gasenbridgegas.com

A leading Canadian company providing natural gas storage, transmission, and distribution services to 5 million customers in Ontario and Ohio They focus on sustainable energy sources for a low-carbon future

Kinectricskinectrics.com

Integrated lifecycle management services for electric power industry worldwide Testing, inspection, certification, engineering consulting, and maintenance services to ensure safe and efficient utility asset performance

Alectra Inc.alectra.com

Providing energy services and solutions to over 1 million homes and businesses in the Greater Golden Horseshoe Area, aiming to discover new possibilities in energy

Independent Electricity System Operator (IESO)ieso.ca

Manages Ontario's power grid, meeting real-time needs and planning for the future with a diverse team of professionals

Union Gasenbridgegas.com

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Ontario Energy Boardoeb.ca

Regulator of Ontario's electricity and natural gas sectors dedicated to fostering innovation, supporting economic development, and delivering public value to Ontarians

Trillianttrilliant.com

A leading provider of device-agnostic communications platforms for utilities and cities, offering flexibility, reliability, and sustainability for energy industry applications worldwide

Metergy Solutionsmetergysolutions.com

Leading submetering provider with turnkey solutions for clients, offering call center, sales, engineering, commissioning, and billing services all in-house

London Hydrolondonhydro.com

Manages distribution and utilization of electricity in London, Ontario, receiving power from high-voltage transmission grid and overseeing design, construction, and maintenance of facilities

Resilient Structuresresilient-structures.com

Specializing in designing and engineering innovative utility structures, this industry pioneer creates resilient and sustainable solutions to mitigate natural disasters and environmental harm

Romet Limitedrometlimited.com

Romet offers advanced measurement and monitoring solutions for gas energy utilities, with a focus on customer satisfaction, reliability, efficiency, and sustainability

Utilities Kingstonutilitieskingston.com

Provider of multiple utility services including water, wastewater, natural gas, electricity, and telecommunications with a focus on cost savings and customer service excellence

PowerStream Incalectrautilities.com

Community-owned energy provider in Central Ontario, offering power, renewable energy generation, and Smart Grid technologies while focusing on sustainability and innovation

Enwave Energy Corporationenwave.com

Fully integrated sustainable energy services provider with expertise in district energy systems, plant operations, engineering design, project management, consulting, and peer review

Algonquin Power & Utilities Corp.algonquinpower.com

A diversified international utility company providing safe, reliable, and sustainable energy solutions through renewable energy and electric transmission projects in North America

The INGERV Groupingervgroup.com

A leading janitorial service provider for over 450 condominiums in Toronto, committed to delivering top-quality daily cleaning and long-term client relationships

Atura Poweraturapower.com

Ontario's leading fleet of combined-cycle turbine gas plants providing flexible energy for peak demand periods in the province's electricity system

Powerline Plus Ltd.powerlineplus.com

A leading infrastructure provider since 1990, specializing in electrical, civil construction, and engineering services for utilities, municipalities, and developers in the GTA region

Wyse Meter Solutions Inc.wysemeter.com

A leading provider of submetering and utility expense management solutions in Canada, helping clients reduce energy usage and live sustainably

Enova Power Corp.enovapower.com

A trusted energy provider delivering safe, reliable energy solutions to power communities forward with a focus on sustainability and innovation

KTI Limitedktilimited.ca

Industry leader in distributing natural gas, oil, electricity, and water products for Canadian Utilities and Pipelines Focus on sustainable value, innovation, and cost reduction

OYA Renewablesoyarenewables.com

A global developer, integrator, and financier of Solar PV Projects, specializing in distributed generation and utility scale solar PV projects worldwide

Westario Powerwestario.com

This company is dedicated to providing safe, reliable, and efficient power to communities while emphasizing customer engagement and environmental responsibility

FortisOntario Inc.fortisontario.com

Electric utility owning and operating distribution and transmission assets, serving 64,000 customers in multiple regions of Ontario with approximately 3,300 km of lines

Lakeland Holding Ltd.lakelandholding.com

A group of subsidiaries dedicated to generating renewable energy, advancing electricity innovation, distributing power, and providing high-speed internet services to Muskoka communities

N-Sci Technologies Inc.nsci.ca

Energy industry-focused company providing engineering and technical services to electric utilities, generators, and large consumers in North America for successful energy solutions

Energy Ottawaenergyottawa.com

Innovative energy company in Ontario producing green power through hydroelectric, solar, and landfill gas-to-energy facilities, along with energy management and infrastructure services

Norfolk Power Incweb.archive.org

An electric distribution company formed by the amalgamation of four utilities, dedicated to providing safe and reliable electricity to customers in Norfolk County

Longyuan Canada Renewables Ltd.dufferinwindpower.ca

A renewable energy company based in Canada focused on developing and operating clean energy projects to help transition towards sustainability

Basic Energy Inc.basicenergy.ca

This Canadian company simplifies energy procurement by offering affordable Natural Gas and Electricity options through strong supplier relationships and cost optimization strategies

EnerFORGEenerforge.ca

A company specializing in creating customized energy solutions to enable critical infrastructure development, offering design, build, finance, and operate services

ESAC Electrical & Systems Advanced Control Inc.esac.com

Specializing in electrical power engineering and integrated solutions for utilities, institutions, and industries, focusing on green energy and future growth

Volta Techniquevoltatechnique.com

Specializing in clean energy storage and management technology, the company focuses on innovative solutions for sustainable energy needs

METSCO Holdings Incbbaconsultants.com

A strategic partner for innovative energy solutions, driving long-term progress in the industry

Staple Energy Distributed Resourcesstapleenergy.com

Specializing in turn-key energy solutions for multi-residential, commercial, and industrial applications, providing services such as financing, project management, and maintenance