Planner

Date: July 3 2026

Location:Toronto ON

Requisition ID: 21141

Status:Regular

Business Unit:Power System Development

Grade/Band: MP4

Shift Work:

Annual Pay Range: For standard 35-hour work week

Step 1:$111072 to Step 10: $158704

The successful candidate will be placed at the appropriate step within the salary grade/band based on relevant years of experience and other applicable considerations.

Why join us

The IESO is committed to ensuring Ontarios electricity system meets the provinces needs today and into the future. We are charged with purpose delivering reliable affordable and sustainable electricity for homes businesses and communities across the province. We are energized to grow embracing opportunities to shape the future of a dynamic and evolving energy sector while advancing our careers. We are powered by teamwork supported by diverse and passionate colleagues who foster respect celebrate successes and thrive on shared achievements. At the IESO its not just what we doits who we are!

Who we are

Our central role includes managing the provincial power grid in real-time overseeing and evolving Ontarios electricity market engaging with government municipalities and Indigenous communities and planning for Ontarios future electricity needs. Our employees play a key role in driving grid innovation protecting the system from threats advancing the provinces energy conservation programs and forecasting and procuring the electricity resources well need in the decades to come.

This is a unionized position that falls within the Integrated Conservation Planning team part of the Demand & Conservation Planning department Resource Planning division and Power System Development business unit.

What makes this role exciting

The energy sector is rapidly evolving offering exciting new opportunities for those who want to make a difference.

The successful candidate will play an important role integrating the IESOs electricity Demand Side Management (eDSM) provincial resource planning and regional planning activities advancing Non-Wire Alternatives and helping ensure the IESO is maximizing the value of a low-cost no-carbon resource. The successful candidate will also lead or support a variety of load research and demand forecasting activities and work with other Integrated Conservation Planning team colleagues to implement enhancements to how climate change is accounted for in the IESOs long-term demand forecasting.

The role requires working closely not just within the Integrated Conservation Planning team but also with colleagues across the Resource Planning Transmission Planning and Demand Side Management divisions among other internal and external parties providing a great opportunity to develop a broad perspective of the complete electricity system from the light switch to generator.

What youll do

In this role youll make a meaningful impact by contributing to the IESO team and supporting the electricity needs of the province through:

• Leading and supporting research projects advancing IESO demand forecasting and eDSM program activities such as Achievable Potential Studies end use surveys and technology- or subsector-specific research
• Leading or supporting delivery of critical inputs for regional planning and Non-Wires Analysis specifically station-level planned eDSM savings forecasts additional eDSM potential estimates and hourly demand forecasts
• Identifying and implementing process automation and analysis enhancement opportunities using Python programming
• Running the new eDSM Achievable Potential Study tool to produce new scenarios and sensitivities to meet IESO and policy makers evolving needs
• Supporting the development of climate-adjusted weather files to better account for climate change in the IESOs long-term demand forecasts

• Mentor advise and guide junior and less experienced staff. Set and manage quality control and review of work and products of junior planning staff.

• Execute other duties and responsibilities as required

In a typical day you will engage with your colleagues on the Integrated Conservation Planning team (Supervisor two Senior Planners and one-to-two co-op students) and other colleagues across the Resource Planning Transmission Planning Demand Side Management and Partnerships Research & Sustainability divisions. You will also occasionally engage with external parties including the Ontario Energy Board Ministry of Energy & Mines Enbridge Gas electricity Local Distribution Companies and various consultants and vendors. Your time is likely to be divided between delivering personal work items providing direction and oversight to more junior staff and being consulted by other IESO divisions

This is a promotion-in-place (PIP) affected role. Candidates with lesser qualifications will be considered for a Power System Planning Analyst role.

Role Requirements

Our team consists of experts from diverse backgrounds each bringing their unique perspectives and skills.
To succeed in this role youll need:

• A university degree in Engineering Science Mathematics Economics Planning orother relevant discipline is required. A curriculum or experience that includes exposure to power systems electrical theory power system analysis and equipment energy systems and conversion mathematics statistics or economic analysis is preferred.
• 6-8 years of experience in a power system planning or operation or analyticalstudies related to integrated planning is typically required. Experience in the Ontario electricity sector is preferred.
• Experience with end use modelling and demand forecasting is strongly preferred
• A basic understanding of electricity Demand Side Management is required experience is preferred
• Experience programming and developing code in Python is required
• Experience with data visualization in Tableau is preferred
• Strong written and verbal communication skills are required
• Strong interpersonal skills are required

How We Support You

From a comprehensive total rewards program to dynamic learning and development opportunitiesincluding job rotations to broaden your expertisewe empower you to define and shape your own success. When you join the IESO heres what you can expect:

• Best-in-class benefits and long-term support in the form of a defined benefit pension plan.
• Work in a dynamic and evolving sector that offers exciting opportunities and the chance to explore new career paths.
• Leadership that values meaningful discussions welcomes feedback and prioritizes career development.
• A strong inclusive culture and a collaborative team environment with a shared passion for impactful work.
• Compensation packages that are regularly reviewed to remain competitive and to best accommodate the diverse needs of our employees.

Deadline

August 4 2026.For future reference please save a copy of the job posting as it will no longer be available once the posting closes.

Thank you for your interest in a career at the IESO. Only candidates selected for an interview will be contacted. Please note that the successful candidate must be legally eligible to work in Canada and will be subject to applicable background checks.

IESO will not conduct interviews or offer positions via online text chat or social media platforms. We will not gather personal information directly from candidates or potential candidates. Selected candidates will work with our Talent Acquisition team to ensure their application is processed.

The IESO currently has a 3-day in-office work week for applicable roles. Over the course of 2026 the IESO will advance plans to acquire additional office space to accommodate more in-office time. While the timeline for moving to a full 5-day in-office model has not yet been established we are committed to keeping employees and candidates informed as plans progress and give them as much advance notice as possible to prepare for any changes.

We believe in opportunities for everyone.

At the IESO we know that achieving great results depends on embracing diversity by attracting developing and retaining people from a wide variety of backgrounds. We do this by ensuring our recruitment and advancement policies are fair and equitable and by creating an accessible and inclusive environmentone that values every team members unique skills and experiences and ensures they have the support they need to achieve their potential. If you require accommodation during the recruitment process please let us know. Were proud to say weve been recognized as a supportive inclusive employer.

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