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Updated weekly · Last refresh Oct 17

Eversource Energy Research Analyst Interview Questions

The questions to prepare for a Eversource Energy Research Analyst interview. Questions from real interview reports rank first. Updated daily.

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1
StrategyStart here. 4 questions · ~32 min
Analyzing Regulation ImpactMedium

Tests your market-impact analysis skills and ability to structure an analytical approach under policy uncertainty.

Competitive AnalysisSWOTMarket SizingEversource Energy
Market Analysis for RenewablesMedium

Tests your ability to structure market research and evaluate renewable opportunities using data.

EstimationCompetitive AnalysisMarket SizingEversource Energy
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2
Statistics & Probability3 questions · ~24 min
Statistical Methods ProficiencyEasy

Tests breadth of statistical knowledge and your ability to apply it to real analytical tasks.

RegressionCorrelationHypothesis TestingEversource Energy
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3
More topics6 questions · ~48 min
Excel-Based Data AnalysisEasy

Tests practical Excel usage and your ability to translate analysis into measurable outcomes.

Data WranglingGroup ByAggregationsEversource Energy
Designing Customer Satisfaction StudyMedium

Tests your approach to study design, measurement, and translating customer feedback into actionable insights.

User ResearchUser NeedsPain PointsEversource Energy
Investigating Energy Consumption DropsMedium

Tests your troubleshooting mindset and ability to diagnose drivers behind changes in energy usage.

Leading IndicatorsDiagnosisTime SeriesEversource Energy
Using Excel for AnalysisEasy

Tests your day-to-day workflow in Excel for cleaning, analyzing, and summarizing data.

Window FunctionsData WranglingAggregationsEversource Energy
Prioritizing Cost-Reduction AnalysisEasy

Tests prioritization and your ability to connect data sources to cost drivers and operational decisions.

KPIsLeading IndicatorsDiagnosisEversource Energy
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
Handling Missing DataMedium
Practice
Practice drill

Standardize missing observation fields with fallback values, missingness flags, and ordered output.

Window Functionsmissing valuesdata cleaningEversource EnergyCincinnati Children's HospitalAdtalem Global Education
30-Day Moving Average of BookingsMedium
Practice
Practice drill

Build a daily series and compute a 30-day trailing moving average of task bookings using window functions.

Window FunctionsData WranglingAggregationsTaskRabbitRBC
The finish line: interview-readyComplete all 13 questions plus 3 hands-on drills to finish this plan.