Jobs › Dairyland Power Cooperative
Intern, Energy Data Analyst
Posted Sep 15, 2026 · We last checked this listing on Oct 6, 2026
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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
Tell me about a dataset you cleaned that was really messy. What did you do?
What they are checking: Whether they have hands-on experience preparing real data, not just textbook examples.
What interests you about energy data at a power cooperative?
What they are checking: Whether they have genuine interest in the industry and its data.
Tell me about a time you explained data findings to someone without a technical background.
What they are checking: Whether they can communicate insights in plain language.
What would you do
A staff member asks for a dashboard but can't explain exactly what they need. How do you gather requirements?
What they are checking: Whether they can turn a vague business question into a useful analytical product.
Your dashboard shows a big jump in energy use for one month. How do you check whether it's real?
What they are checking: Whether they validate surprising numbers before reporting them.
About the work
What is a star schema, and why would you use it for a Power BI semantic model?
What they are checking: Whether they understand dimensional modeling, which the posting names directly.
Write out loud a DAX measure for year-over-year change in energy sales. How would you build it?
What they are checking: Whether they can reason through DAX and time intelligence, not just drag fields onto charts.
How would you design a dashboard that both engineers and finance staff can use?
What they are checking: Whether they think about different audiences and keep visuals clear and honest.
How would you make sure a KPI reflects the business definition exactly?
What they are checking: Whether they confirm definitions with stakeholders before calculating, which avoids misleading reports.
How would you connect data from multiple sources, like spreadsheets and a database, into one model?
What they are checking: Whether they understand practical data integration and the problems it creates.
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Practice this out loudThe full job description
As published by Dairyland Power Cooperative.