The Power Workers’ Union (PWU), is a proud Canadian union and, by far, the largest, most progressive and successful union in Ontario’s electricity sector.

power workers’ union


Ontario’s Largest Electricity Sector Union

The PWU, one of Canada’s strongest, most democratic and progressive unions, is a knowledgeable and experienced player in the energy sector.

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safe working conditions

We take workplace health and safety very seriously at the Power Workers’ Union. Our Joint Health and Safety Committee Members are trained to know what to do if a PWU member needs help.

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we help keep the lights on

We are committed to delivering a promising future for our membership and continuing to help keep the lights on for all Ontarians.

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Recent Submissions, Newsletters and News

Frequently Asked Questions
Electrification Pathways Report

A new report by Strategic Policy Economics (Strapolec) shows that Ontario faces an electricity supply shortage and reliability risks in the next four to eight years and will not meet net zero objectives without building new low-emission, nuclear generation starting as soon as possible.   Download the report here

Biomass and Forestry Action Plan

Ontario is developing a Biomass and Forestry Action Plan to sustainably grow the sector and create jobs for local communities in the north. The PWU recommends that the Atikokan GS be included in the plan as a possible accelerator of the action plan’s goals. The importance to the area of the biomass fueled Atikokan GS […]

Federal Clean Fuel Standard

The federal Clean Fuel Standard (CFS) is an important element of Canada’s climate plan, particularly for the electrification and decarbonization of the transportation sector. The CFS provides incentives to switch away from liquid carbon-intensive fuels (e.g. oil). The PWU provided inputs for the CFS to properly emphasize the value of domestic clean electricity in EV […]

May Resource Adequacy Engagement

IESO is developing an information guide to clarify to stakeholders how IESO is approaching Ontario’s future electricity supply.  The PWU identified the need for clarity on how baseload and daily demand supply will be procured including timelines and the principles for decision making and setting of capacity targets. The PWU emphasized that the current approach […]

Natural Gas
Gas Phase Out

As many municipalities press to phase out gas-fired generation in Ontario, the IESO is evaluating the implications of options to do so. The PWU recommended that IESO focus on emission reduction not the gas plants themselves, consider electricity demand growth from decarbonizing the economy, incorporate the full carbon price on gas-fired generation, and enable low […]

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Northwestern Integrated Regional Resource Plan (NW IRRP) Submission

The IESO has initiated development of the NW IRRP and is seeking inputs to help build a forecast for the region’s needs. The PWU recommended that IESO factor in electrification due to climate action as laid out by the Thunder Bay Net Zero Strategy and recognize the important role of the emission benefits and critical […]

why pwu?

The PWU is the largest and most successful union in Ontario’s electricity sector.



Ontario’s electricity sector has faced numerous tumultuous policy shifts in the last 20 years. Predicting these shifts, influencing them positively where possible and adapting innovatively and intelligently – all in ways that create the most opportunities for sustainable, high-pay, high-skill jobs are products of many decades of organizational experience in the PWU.


proven track record

The PWU has a proven track record of strong union representation and bargaining quality collective agreements with excellent pay rates, job security provisions, working conditions, pensions and benefits―without work stoppages. That’s why we are Ontario’s largest electricity sector union.



The PWU provides extensive union based training to new members, Stewards, Chief Stewards and Health and Safety Representatives. Our union is financially strong, based on solid democratic principles and is supported by dedicated, knowledgeable and experienced elected representatives and support staff.

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