Engineer I Interconnections & Grid Analysis
Posted Aug 26, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Market rules differ between ISOs like MISO, PJM and SPP. How would you get up to speed on a new one?
What they are checking: Whether they know how to learn tariffs and manuals on their own, which this job will require.
Tell me about a time your analysis was wrong. How did you catch it?
What they are checking: Whether they check their own work and own mistakes before they reach a decision maker.
Why do you want to work on interconnection rather than design or field engineering?
What they are checking: Whether they have real interest in grid analysis and market work, which keeps people in this niche.
What would you do
Your study shows a new solar project would overload a line under a contingency. What would you look at next?
What they are checking: Whether they think about possible fixes and their cost rather than stopping at the problem.
How would you explain your results to a developer who isn't an engineer?
What they are checking: Whether they can turn technical findings into clear business meaning that drives a decision.
You get a two-hundred-page interconnection study report from a utility. How do you pull out what matters?
What they are checking: Whether they can find the cost, timing and upgrade details quickly in dense reports.
About the work
Explain what a power flow study tells you and what it doesn't.
What they are checking: Whether they understand the basics well enough to know the limits of a steady-state study.
What software have you used for power flow or contingency analysis, like PSS/E, PowerWorld or TARA? Walk me through a study you ran.
What they are checking: Whether they have hands-on modeling experience they can explain clearly, even if it was in school.
In simple terms, how does a new generator get through an interconnection queue, and why do so many projects drop out?
What they are checking: Whether they understand the process and the cost of network upgrades that shape project decisions.
What is the difference between energy resource and network resource interconnection service, or capacity and energy-only service?
What they are checking: Whether they know the service types that change study scope and the value a project gets.
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Practice this out loudThe full job description
As published by Invenergy.