Power System Planner

**Power System Planner**:
**Date**:Jun 6, 2025

**Location**: CA

**Company**:Independent Electricity System Operator

**INDEPENDENT ELECTRICITY SYSTEM OPERATOR (IESO)**

**Requisition ID**:

- 20432

**Location**:

- Toronto - Hybrid

**Status**:

- Regular

**Business Unit**:

- Planning, Conservation & Resource Adequacy

**Why join us?**

You’ve got great skills. And you want to use them in an organization where you know what you do every day matters. We get that.
We also know that ensuring Ontarians have access to affordable and reliable power doesn’t happen by accident. So we give you the tools, flexibility and support you need to achieve your goals, and development opportunities to help you grow. You’ll thrive in a collaborative, team-based environment that values your unique skills and experiences - and recognizes that when you do better, we become even better too.

**Who we are**

The Independent Electricity System Operator (IESO) works at the centre of the province’s power system, ensuring Ontarians have access to reliable and cost-effective electricity when and where they need it. We operate the province’s electricity grid 24/7, design, run and oversee the wholesale electricity markets, and plan and prepare to meet Ontario’s electricity needs - now and into the future.

**The opportunity**

The Power System Planner is accountable to lead and/or participate in power system plan development and preparation. The Planner is primarily responsible for conceiving, initiating, conducting, overseeing, and coordinating the necessary research and analysis involved in the development of integrated plans and supporting their implementation. This includes taking the lead and/or participating in the development of analytical models, interactions and collaboration with relevant parties, and participation in stakeholder engagement, regulatory, and procurement processes. In this role, you'll be a key player in our Planning Economics team, part of the Resource and Plan Assessments department in our Resource Planning division. The Power System Planner is a technical expert and plays an operational role in the team’s work to advance and inform decision making at the IESO to ensure system reliability and affordability.

**Power System Planning Analyst (20442)**

**What you'll do**
- Manage the power system planning responsibilities assigned by the Supervisor of the Planning Economics team.
- Participate in and sometimes lead complex power system studies and other technical, economic, risk and scenario-based studies as part of the integrated power system planning process. This includes the use of complex analytical models and data to simulate and assess the performance, adequacy and economics of the Ontario power system.
- Conceptualise, initiate and perform various aspects of power system plan development and preparation, with a focus on power system economics and ratepayer impact, including:
- Modelling system needs.
- Developing and evaluating the feasibility and economic impacts of resource options and alternatives.
- Making recommendations.
- Establishing a rationale for preferred solutions to system needs.
- All the above in collaboration with specialists from other teams to develop integrated plans.
- Participate in and sometimes lead in the preparation of broad technical, economic and policy-based reports, presentations, memos and submissions related to power system planning for stakeholder reviews, Board of Directors’ information, Ministry of Energy, regulatory proceedings, or other purposes.
- Contribute to the development of formal business cases and/or evidence in support of regulatory or other approvals processes to implement elements of integrated plans and, as required, representing IESO, defending these in public and regulatory forums.
- Participate in and sometimes lead the economic assessments and development of non-wires alternatives in the development of integrated bulk and/or regional plans. This includes the following:
- Determining the feasibility of various resource types to meet identified system needs and screening out infeasible resources.
- Developing cost-optimal resource portfolios as non-wires alternatives to meet system needs.
- Evaluating the costs and system benefits of wires options and non-wires alternatives to determine the net cost or benefit to ratepayers.
- All the above in collaboration with other power system planning teams.
- Participate in stakeholder meetings, including with officials from other jurisdictions, private sector companies, community engagements, public forums and consultations with government on proposed solutions and plannin_g _issues_._ This may include interacting with and advising community leaders, company executives, government officials and/or other agency staff and interfacing with media.
- Keep abreast of electricity industry developments (with a focus on system economics and ratepayer impacts) including government energy, environmental, economic and tra